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Rheumatologists who accept Medicare in Bethesda, MD
CMS lists 24 clinicians in this specialty with a practice address in Bethesda. Accept Medicare assignment (the Medicare-approved amount as full payment): 24. Offer telehealth: 21.
Typical amounts Medicare approves in ZIP 20817 (2024 Medicare rates, the latest CMS has published): a new-patient visit $148, of which you pay about $37; a follow-up visit $114, of which you pay about $28 — 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.
Leili Parsa, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100✓ TelehealthGraduated 2005FemaleOther offices in Bethesda: 1Drug and device company payments (2025): $1,854Yingxue Zhang, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100✓ TelehealthGraduated 1987FemaleOther offices in Bethesda: 1Florina Constantinescu, MD
✓ Accepts Medicare assignmentMIPS score (2024): 94.3/100✓ TelehealthGraduated 1998FemaleOther offices in Bethesda: 1Drug and device company payments (2025): $35Marlyn Lorenzo, MD
✓ Accepts Medicare assignmentMIPS score (2024): 90/100✓ TelehealthGraduated 2000FemaleDrug and device company payments (2025): $4,036Robert J. O'Brian, MD
✓ Accepts Medicare assignmentMIPS score (2024): 87.4/100Graduated 1998 · George Washington University School of MedicineMaleDrug and device company payments (2025): $51Ashley D. Beall, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 1999 · Medical College of Georgia School of MedicineFemaleOther offices in Bethesda: 1Drug and device company payments (2025): $38Shari B. Diamond, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2001 · Albert Einstein College of Medicine of Yeshiva UniversityFemaleNitasha Kumar, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2014FemaleOther offices in Bethesda: 1Drug and device company payments (2025): $54Alan K. Matsumoto, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 1985 · University of Illinois College of Med (chi/peor/rock/chm-Urb)MaleDrug and device company payments (2025): $17,928Charles Oshinsky, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2017 · New York University School of MedicineMaleOther offices in Bethesda: 1Drug and device company payments (2025): $6,377Jeffrey A. Potter, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2006 · Howard University College of MedicineMaleOther offices in Bethesda: 1Drug and device company payments (2025): $436Guada R. Respicio Duque, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2004FemaleOther offices in Bethesda: 1Drug and device company payments (2025): $314Evan Siegel, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 1988 · Boston University School of MedicineMaleDrug and device company payments (2025): $92,037Sonia D. Silinsky Krupnikova, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2017 · George Washington University School of MedicineFemaleDrug and device company payments (2025): $588Angus B. Worthing, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85.7/100✓ TelehealthGraduated 2003 · University of Minnesota Medical SchoolMaleDrug and device company payments (2025): $1,777Daniel Bunker, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83/100✓ TelehealthGraduated 2010 · Georgetown University School of MedicineMaleOther offices in Bethesda: 1Terrence X. Dwyer, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83/100✓ TelehealthGraduated 1985 · Georgetown University School of MedicineMaleOther offices in Bethesda: 1Drug and device company payments (2025): $257Megan Lockwood, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83/100✓ TelehealthGraduated 2015MaleOther offices in Bethesda: 1Drug and device company payments (2025): $71Virginia Steen, MD
✓ Accepts Medicare assignmentMIPS score (2024): 82.3/100✓ TelehealthGraduated 1975 · University of Pittsburgh School of MedicineFemaleDrug and device company payments (2025): $6,702Seema A. Goyal, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2005 · University of Illinois College of Med (chi/peor/rock/chm-Urb)FemaleOther offices in Bethesda: 1Drug and device company payments (2025): $1,057Eugene Miknowski, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1973MaleDrug and device company payments (2025): $850Dima Nimri, MD
✓ Accepts Medicare assignmentGraduated 2015FemaleDrug and device company payments (2025): $380Eva Rottmann, DO
✓ Accepts Medicare assignment✓ TelehealthGraduated 2015 · Lake Erie Col of Osteopathic Medicine, BradentonFemaleOther offices in Bethesda: 1Drug and device company payments (2025): $176Assil Saleh
✓ Accepts Medicare assignmentGraduated 1998Female
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 Bethesda
- Primary care doctors384
- Geriatricians4
- Nurse practitioners269
- Cardiologists32
- Dermatologists27
- Orthopedic surgeons180
- Neurologists94
- Gastroenterologists19
- Ophthalmologists30
- Optometrists20
- Podiatrists30
- Urologists25
- Nephrologists5
- Endocrinologists13
- ENT doctors32
- Oncologists42
- Psychiatrists27
- Psychologists23
- Therapists and counselors77
- Physical therapists132
- Occupational therapists18
- Speech therapists12
- Audiologists27
- Chiropractors6
- Gynecologists19
- General surgeons6
- Vascular surgeons6
- Pain management doctors14
- Physiatrists60
- Dietitians7
- Neurosurgeons24
- Infectious disease doctors7
Other care in Bethesda
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).