NPPES file of Aug 9, 2026

Teresa Letellier, MD

Family Medicine Physician · Biddeford, ME

Teresa Letellier, MD is a family medicine physician with a practice address in Biddeford, Maine, and NPI 1629431622, issued on Mar 29, 2016. Check the license (Maine MD23609, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629431622
Name
Teresa Letellier
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD23609 ME
Self-reported in NPPES; status is on the state search
Practice location
61 Barra RD, Biddeford, ME 04005
Phone
(207) 283-1441
Enumerated
Mar 29, 2016
Record last updated
Dec 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250826000198); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 61 Barra RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lisa Bartley, FNPFamily Nurse Practitioner1922043991
  2. Grace KittredgeBehavior Technician1306310560
  3. Shannon Moreau, PA-CMedical Physician Assistant1629337902
  4. Philip Ptacin, MDFamily Medicine Physician1801993092

Verify Teresa Letellier in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD23609
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.7 times the Medicare Part D claims of the average family medicine physician in 2024

9,446 Medicare Part D claims for 709 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 452 claims were for opioids.

  1. Teresa Letellier9,446
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium735 claims
  2. Lisinopril345 claims
  3. Amlodipine Besylate305 claims
  4. Losartan Potassium305 claims
  5. Levothyroxine Sodium271 claims
  6. Omeprazole249 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Martin's Point Health Care, Inc.Portsmouth, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Teresa Letellier among 1,172 family medicine physician records in Maine

Teresa Letellier, MD is one of 1,172 family medicine physician records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.

  • NPI issued2016 · 77% of these records are older, 21% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2016 · median 2008 among the 668 with a school on file
  • Record last updated2020 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family medicine physician records list a practice address in Biddeford

They are 15 of the 905 NPPES records with a practice address in Biddeford, and 1,172 family medicine physician records in Maine.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cheryl Doane, D.O.Biddeford, ME 040051962599399
  2. Rita Kamra, MDBiddeford, ME 040051124320957
  3. Mark Delon Lim, MDBiddeford, ME 040051669559100
  4. Daniel Mazza, D.O.Biddeford, ME 040051124102389
  5. Tara Pelletier, DOBiddeford, ME 040051124016118
  6. Philip Ptacin, MDBiddeford, ME 040051801993092
  7. James Richard, NPBiddeford, ME 040051023121316
  8. Katrina Roop, DOBiddeford, ME 040051659502763

Common questions

What is Teresa Letellier, MD's NPI number?

Teresa Letellier, MD's National Provider Identifier (NPI) is 1629431622, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Teresa Letellier, MD located?

The NPPES record lists a practice address at 61 Barra RD, Biddeford, ME, 04005. Phone: (207) 283-1441. Providers update this record themselves, so call before visiting.

How can I verify Teresa Letellier, MD's license?

NPPES lists Maine license number MD23609, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Teresa Letellier, MD prescribe under Medicare Part D?

In 2024, Teresa Letellier, MD had 9,446 Medicare Part D claims for 709 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.