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Gastroenterologists who accept Medicare in Portland, OR
CMS lists 98 clinicians in this specialty with a practice address in Portland. Accept Medicare assignment (the Medicare-approved amount as full payment): 97. Offer telehealth: 80.
Typical amounts Medicare approves in ZIP 97220 (2024 Medicare rates, the latest CMS has published): a new-patient visit $134, of which you pay about $34; a follow-up visit $104, of which you pay about $26 — the 20% coinsurance after the yearly Part B deductible. Clinicians who don't accept assignment can charge up to 15% more; with a Medicare Advantage plan, your plan's copay applies instead.
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Order: clinicians who accept assignment first, then by MIPS score (highest first), then by last name.
Jenna Anderson, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100Graduated 2017 · Albert Einstein College of Medicine of Yeshiva UniversityFemaleElisa Boden, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2003 · University of Chicago, Pritzker School of MedicineFemaleDrug and device company payments (2025): $153Michael F. Chang, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100Graduated 1999 · Boston University School of MedicineMaleDrug and device company payments (2025): $36Caitlin C. Citti, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100Graduated 2012 · Oregon Health Sciences University School of MedicineFemaleDrug and device company payments (2025): $174Seth Crockett, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2003 · Geisel School of Medicine at DartmouthMaleOther offices in Portland: 1Sarah J. Diamond, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2008 · University of Miami, LM Miller School of MedicineFemaleMelissa Hershman, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2014FemaleSaad F. Jazrawi, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 1996MaleDrug and device company payments (2025): $613Emily Jonica, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2015 · University of Texas Medical School at San AntonioFemaleDrug and device company payments (2025): $1,825Janice H. Jou, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100Graduated 2003 · Northwestern University Feinberg Medical SchoolFemaleDekey Y. Lhewa, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2007 · University of Washington School of MedicineFemaleKaveh Sharzehi, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2003MaleDrug and device company payments (2025): $161Mark A. Sofia, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2012 · University of Chicago, Pritzker School of MedicineMaleKara E. Walter, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100Graduated 2012FemaleManida Wungjiranirun, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2013FemaleDrug and device company payments (2025): $204Jessica X. Yu, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 2011 · University of Michigan Medical SchoolFemaleDrug and device company payments (2025): $327Atif Zaman, MD
✓ Accepts Medicare assignmentMIPS score (2024): 99.1/100✓ TelehealthGraduated 1991 · Tufts University School of MedicineMaleOther offices in Portland: 1Margot L. Herman, MD
✓ Accepts Medicare assignmentMIPS score (2024): 96.8/100✓ TelehealthGraduated 2010 · University of Minnesota Medical SchoolFemaleDrug and device company payments (2025): $125Michael G. Phillips, MD
✓ Accepts Medicare assignmentMIPS score (2024): 95.5/100✓ TelehealthGraduated 1986 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 3Drug and device company payments (2025): $161Gregory A. Cote, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92.3/100✓ TelehealthGraduated 2001 · Northwestern University Feinberg Medical SchoolMaleOther offices in Portland: 1Drug and device company payments (2025): $306Richard W. Brandes, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92/100Graduated 2003 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $79Ginger L. Degravelle, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92/100✓ TelehealthGraduated 2017 · Louisiana State University School of Medicine in ShreveportFemaleOther offices in Portland: 1Drug and device company payments (2025): $225Justin S. Lewis, MD
✓ Accepts Medicare assignmentMIPS score (2024): 92/100Graduated 2017MaleOther offices in Portland: 1Drug and device company payments (2025): $935Katherine R. Black, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 2012 · University of South Carolina School of MedicineFemaleDrug and device company payments (2025): $66Jeffrey C. Buehler, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 1998 · JS Weill Medical College, Cornell UniversityMaleDrug and device company payments (2025): $66Benjamin M. Hornung, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 2014 · University of Kansas School of Med (kc/wich/sal)MaleOther offices in Portland: 1Drug and device company payments (2025): $49Matthew A. Smith, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 2001 · Northwestern University Feinberg Medical SchoolMaleDrug and device company payments (2025): $65Derek C. Taylor, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 1998 · University of Utah School of MedicineMaleDrug and device company payments (2025): $90Erich Vorlop, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 2005 · New York University School of MedicineMaleDrug and device company payments (2025): $66Kellie Young, MD
✓ Accepts Medicare assignmentMIPS score (2024): 88.8/100✓ TelehealthGraduated 2015 · University of California, San Francisco School of MedicineFemaleDrug and device company payments (2025): $41Tien S. Dong, MD
✓ Accepts Medicare assignmentMIPS score (2024): 87.5/100Graduated 2012 · University of Chicago, Pritzker School of MedicineMaleDrug and device company payments (2025): $29,230Aditi Reddy, MD
✓ Accepts Medicare assignmentMIPS score (2024): 43.5/100✓ TelehealthGraduated 2012FemaleDeron Amador, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2019 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 1Paul D. Anderson, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2007 · University of Washington School of MedicineMaleManisha Apte, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016 · Geisel School of Medicine at DartmouthFemaleOther offices in Portland: 1Gennadiy Bakis, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2002 · Albany Medical College of Union UniversityMaleOther offices in Portland: 2Drug and device company payments (2025): $129Sidharth S. Bhardwaj, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1999 · Northeastern Ohio University College of MedicineMaleOther offices in Portland: 2Drug and device company payments (2025): $56Debbie F. Cheng, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2015 · University of Michigan Medical SchoolFemaleOther offices in Portland: 2Drug and device company payments (2025): $26Michael Chew, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2014 · University of California, Davis School of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $109Young K. Choi, MD
✓ Accepts Medicare assignmentGraduated 1997 · University of Illinois College of Med (chi/peor/rock/chm-Urb)MaleDrug and device company payments (2025): $279Sergio M. Crespo, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2005 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 1Viju P. Deenadayalu, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2002 · Wright State University Boonshoft School of MedicineMaleDrug and device company payments (2025): $49Son T. Do, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1997MaleOther offices in Portland: 1Drug and device company payments (2025): $1,052Brintha K. Enestvedt, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2005FemaleOther offices in Portland: 1Drug and device company payments (2025): $50Rebecca A. Fausel, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2008 · George Washington University School of MedicineFemaleDrug and device company payments (2025): $148Kenneth D. Flora, MD
✓ Accepts Medicare assignmentGraduated 1988 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 2Drug and device company payments (2025): $25David M. Grunkemeier, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2000 · Un of California, Irvine, College of MedicineMaleAverill Guo, MD
✓ Accepts Medicare assignmentGraduated 2018 · Columbia University College of Physicians and SurgeonsMaleOther offices in Portland: 1Drug and device company payments (2025): $3,607Jeremy P. Holden, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2001 · Oregon Health Sciences University School of MedicineMaleDrug and device company payments (2025): $50Ian B. Holmes, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2014MaleOther offices in Portland: 2Drug and device company payments (2025): $575Chris B. Hyun, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1994MaleOther offices in Portland: 1Drug and device company payments (2025): $233Siddharth B. Javia, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2009MaleOther offices in Portland: 1Drug and device company payments (2025): $1,412Susan E. Johnson, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1999 · Oregon Health Sciences University School of MedicineFemaleOther offices in Portland: 2Drug and device company payments (2025): $125Elliot Joo, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2006 · Loma Linda University School of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $189Albert H. Khine, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2001 · Georgetown University School of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $809Betty H. Kim, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1997 · University of Michigan Medical SchoolFemaleDrug and device company payments (2025): $125Karl H. Kim, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1998 · Jefferson Medical College of Thomas Jefferson UniversityMaleOther offices in Portland: 1Drug and device company payments (2025): $29James H. Kurtz, DO
✓ Accepts Medicare assignmentGraduated 2013 · Rocky Vista University College of Osteopathic MedMaleOther offices in Portland: 1Drug and device company payments (2025): $4,306Tiffany L. Lambrou, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016 · Florida State University College of MedicineFemaleOther offices in Portland: 2Thienluong Domi Le, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2008 · Oregon Health Sciences University School of MedicineFemaleOther offices in Portland: 3Brent Y. Lee, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2006 · Loma Linda University School of MedicineMaleSarah C. Lee, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2012FemaleDrug and device company payments (2025): $173Ronald J. Lew, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1995 · New York University School of MedicineMaleDrug and device company payments (2025): $318Shannon K. Lewis, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2004 · Loyola University of Chicago, Stritch School of MedicineFemaleEmery Lin, MD
✓ Accepts Medicare assignmentGraduated 2012 · Northwestern University Feinberg Medical SchoolMaleDrug and device company payments (2025): $698Donald F. Lum, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1988 · University of California, Davis School of MedicineMaleDrug and device company payments (2025): $86,737Nima Motamedi, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2011 · University of Miami, LM Miller School of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $415Navroop K. Nagra, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2012MaleOther offices in Portland: 3Drug and device company payments (2025): $125Willscott E. Naugler, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1996 · University of Arkansas College of MedicineMaleOther offices in Portland: 1Drug and device company payments (2025): $691Jeffrey S. Olson, MD
✓ Accepts Medicare assignmentGraduated 2001 · University of Arizona College of MedicineMaleDrug and device company payments (2025): $90Mohamed Osman, MD
✓ Accepts Medicare assignmentGraduated 2006MaleDrug and device company payments (2025): $1,874Fouad Otaki, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2009MaleDrug and device company payments (2025): $3,432Monina F. Pascua, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2003FemaleDrug and device company payments (2025): $96James K. Regan, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1991 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 3Drug and device company payments (2025): $152Sarah A. Rodriguez, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1996 · University of Kentucky College of MedicineFemaleOther offices in Portland: 1Drug and device company payments (2025): $157Karen Saks, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2011FemaleAlan D. Savoy, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1999 · University of Nevada School of MedicineMaleBarry L. Schlansky, MD
✓ Accepts Medicare assignmentGraduated 2006 · Jefferson Medical College of Thomas Jefferson UniversityMaleOther offices in Portland: 1Jaime E. Scott, MD
✓ Accepts Medicare assignmentGraduated 2020 · University of Arizona College of MedicineFemaleDrug and device company payments (2025): $116Hong Shen, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1996MaleDoug A. Shumaker, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1994 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 1Ajay Singhvi, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2013 · Northwestern University Feinberg Medical SchoolMaleOther offices in Portland: 2Drug and device company payments (2025): $144Lehel Somogyi, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1989MaleOther offices in Portland: 3Drug and device company payments (2025): $431Branden D. Tarlow, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016 · Oregon Health Sciences University School of MedicineMaleOther offices in Portland: 2Drug and device company payments (2025): $180Molly Thomas, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2014 · University of California, San Francisco School of MedicineFemaleDrug and device company payments (2025): $136Jennifer L. Urquhart, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2003 · Wayne State University School of MedicineFemaleOther offices in Portland: 1Cristian Vallejos, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2000 · University of California, San Diego School of MedicineMaleOther offices in Portland: 1Erik J. Vankleek, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2002 · Oregon Health Sciences University School of MedicineMaleDrug and device company payments (2025): $29Stephen M. Vindigni, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2011 · Emory University School of MedicineMaleOther offices in Portland: 2Drug and device company payments (2025): $115Amy Wang, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2002FemaleDrug and device company payments (2025): $125Anne H. Wang, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1987 · Oregon Health Sciences University School of MedicineFemaleWei Wang, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1996MaleOther offices in Portland: 1Jeffrey J. Weprin, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2000 · University of Cincinnati College of MedicineMaleRobert Wilechansky, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016 · Columbia University College of Physicians and SurgeonsMaleDrug and device company payments (2025): $121Jennifer Yeh, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2016 · Johns Hopkins University School of MedicineFemaleOther offices in Portland: 2Drug and device company payments (2025): $40Ting Zheng, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2017MaleOther offices in Portland: 1Drug and device company payments (2025): $262Amy L. Zhu, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2007 · University of California, Geffen School of MedicineFemaleDrug and device company payments (2025): $70,452Patrick J. Stauffer, MD
May accept assignmentGraduated 2020 · Oregon Health Sciences University School of MedicineMaleDrug and device company payments (2025): $125
Before you book
This list comes from Medicare's enrollment records, not from reviews. Call the office to confirm the clinician is taking new Medicare patients. With Original Medicare, a clinician who accepts assignment can only charge you the Medicare deductible and coinsurance; one who doesn't may charge up to 15% more than the Medicare-approved amount. If you have a Medicare Advantage plan, check that the clinician is in the plan's network.
The MIPS final score (0–100) comes from Medicare's Merit-based Incentive Payment System for 2024. It combines quality measures, cost, improvement activities and use of certified health records, and it sets a payment adjustment. Clinicians who report as a group share the group's score. It is not a patient rating, and many clinicians have no published score.
Payments from drug and medical device companies come from CMS Open Payments (2025 general payments: meals, travel, consulting and speaking fees, gifts and similar), summed for each clinician. Receiving payments is legal and common and does not mean a clinician did anything wrong.
Other specialists in Portland
- Primary care doctors1,076
- Geriatricians15
- Nurse practitioners1,010
- Cardiologists151
- Dermatologists76
- Orthopedic surgeons99
- Neurologists177
- Ophthalmologists137
- Optometrists167
- Podiatrists51
- Urologists49
- Pulmonologists73
- Nephrologists50
- Endocrinologists46
- Rheumatologists36
- ENT doctors55
- Oncologists117
- Psychiatrists188
- Psychologists196
- Therapists and counselors661
- Physical therapists337
- Occupational therapists52
- Speech therapists33
- Audiologists34
- Chiropractors118
- Gynecologists218
- General surgeons135
- Vascular surgeons17
- Pain management doctors12
- Physiatrists32
- Allergists15
- Sleep medicine doctors12
- Dietitians36
- Neurosurgeons57
- Infectious disease doctors53
Other care in Portland
Hospitals · Nursing homes · Dialysis centers · Home health agencies · Hospices
Nearby cities
Enrollment, addresses and scores are as reported to CMS and can change. This is not a list of in-network providers for any Medicare Advantage plan, and it is not medical advice. Source: CMS Provider Data Catalog — Doctors and Clinicians National Downloadable File, Clinician MIPS Performance 2024 and Facility Affiliation Data (released Oct 2, 2026).