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Primary care doctors who accept Medicare in Pearsall, TX
CMS lists 18 clinicians in this specialty with a practice address in Pearsall. Accept Medicare assignment (the Medicare-approved amount as full payment): 17. Offer telehealth: 5.
Typical amounts Medicare approves in ZIP 78061 (2024 Medicare rates, the latest CMS has published): a new-patient visit $126, of which you pay about $32; a follow-up visit $97, of which you pay about $24 — 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.
Carlos O. Geigel, MD
✓ Accepts Medicare assignmentMIPS score (2024): 100/100Graduated 2005 · University of Puerto Rico School of MedicineMaleStephen A. Carter, MD
✓ Accepts Medicare assignmentMIPS score (2024): 93.9/100Graduated 1989 · University of Illinois College of Med (chi/peor/rock/chm-Urb)MaleRafael R. Martinez, DO
✓ Accepts Medicare assignmentMIPS score (2024): 93.9/100Graduated 2014 · Nova Southeastern College of Osteo MedicineMaleDrug and device company payments (2025): $57Samer Arab, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2003MaleDrug and device company payments (2025): $114Elva A. Camero, MD
✓ Accepts Medicare assignmentGraduated 1985 · Medical College of WisconsinFemaleDrug and device company payments (2025): $375Rebecca L. Cook, DO
✓ Accepts Medicare assignmentGraduated 2018 · Nova Southeastern College of Osteo MedicineFemaleHannah Do, MD
✓ Accepts Medicare assignmentGraduated 2018FemaleDrug and device company payments (2025): $454Oscar Garza, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 1985 · Medical College of WisconsinMaleDrug and device company payments (2025): $549Muhammad Khan, MD
✓ Accepts Medicare assignmentGraduated 1989MaleOther offices in Pearsall: 3Drug and device company payments (2025): $24Earl M. Marshall Jr., MD
✓ Accepts Medicare assignmentGraduated 2017 · Texas a & M University System, HSC, College of MedicineMaleMohun Ramratnam, MD
✓ Accepts Medicare assignmentGraduated 2004 · Northwestern University Feinberg Medical SchoolMaleMarcela Riojas, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2005FemaleDrug and device company payments (2025): $179Sergio M. Solorzano, MD
✓ Accepts Medicare assignmentGraduated 2003 · University of Texas Medical School at HoustonMalePaul C. Spiller, MD
✓ Accepts Medicare assignmentGraduated 1992 · Mercer University School of MedicineMaleDrug and device company payments (2025): $75Muhammad Nauman J. Tarar, MD
✓ Accepts Medicare assignment✓ TelehealthGraduated 2009MaleValentine C. Ugwu, MD
✓ Accepts Medicare assignmentGraduated 1997MaleOther offices in Pearsall: 1Megan R. Williams Khmelev, MD
✓ Accepts Medicare assignmentGraduated 2007 · University of Texas Medical School at San AntonioFemaleJose I. Sosa, MD
May accept assignment✓ TelehealthGraduated 1990MaleDrug and device company payments (2025): $393
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.
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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).