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Pulmonologists who accept Medicare in Lewiston, ME
CMS lists 8 clinicians in this specialty with a practice address in Lewiston. Accept Medicare assignment (the Medicare-approved amount as full payment): 8. Offer telehealth: 2.
Typical amounts Medicare approves in ZIP 04240 (2024 Medicare rates, the latest CMS has published): a new-patient visit $123, of which you pay about $31; a follow-up visit $95, 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.
Adam A. Alter
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 2010 · University of Missouri, Columbia School of MedicineMaleMichele Guzowski, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 2000FemaleMallory N. Lesieur, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 2016FemaleOther offices in Lewiston: 1Drug and device company payments (2025): $37Simrina Sabharwal, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100✓ TelehealthGraduated 2016FemaleOther offices in Lewiston: 1Drug and device company payments (2025): $15Marcus Santana, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 1995MaleBenjamin P. Smith, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 2005MaleErwey A. Teng, MD
✓ Accepts Medicare assignmentMIPS score (2024): 85/100Graduated 2002 · University of Rochester School of Medicine and DentistryMaleOther offices in Lewiston: 1Linda Benes
✓ Accepts Medicare assignment✓ TelehealthGraduated 2014FemaleOther offices in Lewiston: 1Drug and device company payments (2025): $37
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 Lewiston
- Primary care doctors114
- Nurse practitioners180
- Cardiologists39
- Orthopedic surgeons4
- Neurologists6
- Gastroenterologists7
- Optometrists11
- Podiatrists3
- Urologists5
- Nephrologists4
- Endocrinologists3
- Oncologists3
- Psychiatrists17
- Therapists and counselors42
- Physical therapists22
- Occupational therapists10
- Audiologists4
- Chiropractors13
- Gynecologists15
- General surgeons15
- Vascular surgeons9
Other care in Lewiston
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).