Teresa Letellier, MD

Medicare activity in 2024

Official CMS public-use data for Teresa Letellier, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)227 services
2. Insertion of needle into vein for collection of blood sample (36415)203 services
3. Blood test, lipids (cholesterol and triglycerides) (80061)92 services
4. Blood test, comprehensive group of blood chemicals (80053)88 services
5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)87 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure65%
• High cholesterol60%
• Anxiety35%
• Arthritis33%
• Depression26%
• Ischemic heart disease25%

Hospitals where Teresa Letellier works

Medicare's Facility Affiliation Data lists Teresa Letellier at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009

Practice locations

Addresses where Teresa Letellier is enrolled with Medicare (CMS data updated October 2, 2026).

• 161 Corporate DrPortsmouth, NH 03801 (603) 431‑5154
• 61 Barra RdBiddeford, ME 04005 (207) 283‑1441

Group practices

Medicare enrollment lists Teresa Letellier as a member of this group (CMS data updated October 2, 2026).

• Martin's Point Health Care, Inc.89 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in New Hampshire →

Other family doctors in Portsmouth

Clinicians with the same Medicare primary specialty in Portsmouth, NH — not a recommendation.

• Susan A. Murray, MD
• Girish C. Joshi, MD
• Nicole K. Poole, MD
• Michael Stevens, DO
• Karen L. Palmer, DO
• Eric J. Schneider, MD
• Katharina F. Lilly, MD
• Stephen Lutz, MD

All family doctors in Portsmouth →

Other clinicians in Martin's Point Health Care, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Margaret Lothian
• Emily-Anne B. Boone
• Justine Achille, MD
• Amber Shepherd
• Katie Polakowski, DO
• Elizabeth Remillong, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians