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Ophthalmologists who accept Medicare in Frederick, MD
CMS lists 26 clinicians in this specialty with a practice address in Frederick. Accept Medicare assignment (the Medicare-approved amount as full payment): 25. Offer telehealth: 0.
Typical amounts Medicare approves in ZIP 21702 (2024 Medicare rates, the latest CMS has published): a new-patient visit $133, of which you pay about $33; a follow-up visit $72, of which you pay about $18 — 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.
David Baranano
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 2004 · Johns Hopkins University School of MedicineMaleDrug and device company payments (2025): $2,241Adam T. Gerstenblith, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 2007 · Johns Hopkins University School of MedicineMaleDrug and device company payments (2025): $32Robert E. Parnes, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 1989 · Pennsylvania State University College of MedicineMaleChetankumar Patel, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 2000 · University of Florida College of MedicineMaleDrug and device company payments (2025): $424Raymond N. Sjaarda, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 1985 · Duke University School of MedicineMaleDrug and device company payments (2025): $683Dara Tash, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 1990 · Medical College of PennsylvaniaMaleJohn T. Thompson, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 1980 · Johns Hopkins University School of MedicineMaleDrug and device company payments (2025): $878Ingrid E. Zimmer-Galler, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 1985 · Johns Hopkins University School of MedicineFemaleDrug and device company payments (2025): $45Jeanette Du, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.1/100Graduated 2019 · University of Virginia School of MedicineFemaleDrug and device company payments (2025): $874Holly M. Gross, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.1/100Graduated 1987 · University of Michigan Medical SchoolFemaleDrug and device company payments (2025): $198Rachel Mogil, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.1/100Graduated 2017 · Hofstra North Shore - Lij School of MedicineFemaleDrug and device company payments (2025): $389Amy L. Nicholas, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.1/100Graduated 2009 · Georgetown University School of MedicineFemaleDrug and device company payments (2025): $167Ethan Sobol, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.1/100Graduated 2017 · Albert Einstein College of Medicine of Yeshiva UniversityMaleDrug and device company payments (2025): $867Thanh M. Nguyen, MD
✓ Accepts Medicare assignmentMIPS score (2024): 90.8/100Graduated 2018 · Eastern Virginia Medical SchoolFemaleDrug and device company payments (2025): $542John C. Henry, MD
✓ Accepts Medicare assignmentMIPS score (2024): 90.5/100Graduated 1988 · Georgetown University School of MedicineMaleDrug and device company payments (2025): $383Sunil M. Thadani, MD
✓ Accepts Medicare assignmentMIPS score (2024): 86.8/100Graduated 2005 · George Washington University School of MedicineMaleDrug and device company payments (2025): $688Jeremy J. Wood, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83.6/100Graduated 2001MaleDrug and device company payments (2025): $1,514Adam S. Wenick, MD
✓ Accepts Medicare assignmentMIPS score (2024): 83.3/100Graduated 2005 · Columbia University College of Physicians and SurgeonsMaleDrug and device company payments (2025): $120Robert B. Hodges, MD
✓ Accepts Medicare assignmentMIPS score (2024): 75/100Graduated 1989 · Virginia Commonwealth University, School of MedicineMaleDrug and device company payments (2025): $148Gagan J. Singh, MD
✓ Accepts Medicare assignmentMIPS score (2024): 75/100MaleDrug and device company payments (2025): $398David L. Yeh, MD
✓ Accepts Medicare assignmentMIPS score (2024): 75/100Graduated 2005 · Duke University School of MedicineMaleDrug and device company payments (2025): $237Bogdan F. Alexandrescu, MD
✓ Accepts Medicare assignmentGraduated 2001 · University of California, San Diego School of MedicineMaleRyan Duong, MD
✓ Accepts Medicare assignmentGraduated 2022 · University of Virginia School of MedicineMaleDrug and device company payments (2025): $335Grant Justin, MD
✓ Accepts Medicare assignmentGraduated 2016 · Uniformed Services Uhs Fe Hebert School of MedMaleDrug and device company payments (2025): $997Benjamin I. Rubin, MD
✓ Accepts Medicare assignmentGraduated 1982 · State University of New York at Stony Brook, School of MedicineMaleMarianne Cowley, MD
May accept assignmentMIPS score (2024): 83.3/100Graduated 1982FemaleDrug and device company payments (2025): $23
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 Frederick
- Primary care doctors232
- Geriatricians3
- Nurse practitioners391
- Cardiologists53
- Dermatologists17
- Orthopedic surgeons102
- Neurologists30
- Gastroenterologists27
- Optometrists26
- Podiatrists33
- Urologists7
- Pulmonologists10
- Nephrologists3
- Endocrinologists8
- Rheumatologists19
- ENT doctors8
- Oncologists10
- Psychiatrists18
- Psychologists27
- Therapists and counselors162
- Physical therapists193
- Occupational therapists15
- Audiologists8
- Chiropractors25
- Gynecologists74
- General surgeons16
- Vascular surgeons9
- Pain management doctors4
- Physiatrists11
- Allergists8
- Dietitians5
- Neurosurgeons11
- Infectious disease doctors4
Other care in Frederick
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).