NPPES file of Aug 9, 2026

Tammy Lynn Gleeson, DO

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Fairhaven, MA

Tammy Lynn Gleeson, DO is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Fairhaven, Massachusetts, and NPI 1023085214, issued on Mar 7, 2006. Check the license (Massachusetts 265624, as entered in NPPES) on the Massachusetts Board of Registration 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
1023085214
Name
Tammy Lynn Gleeson
Credential
DO
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
265624 MA
Self-reported in NPPES; status is on the state search
Practice location
208 Mill RD, Fairhaven, MA 02719
Phone
(508) 973-2204
Enumerated
Mar 7, 2006
Record last updated
Apr 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 973-2640
Medicare enrollment
Enrolled (PECOS I20160621002023); accepts Medicare assignment
Medical or professional school
At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1996
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 208 Mill RD

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

  1. John AcordNurse Practitioner1013531086
  2. Abena Addo, MDInternal Medicine Physician1366543225
  3. Linda Adelberg, NPAdult Health Nurse Practitioner1912146127
  4. Erica Almeida, PA-CPhysician Assistant1700326840
  5. Matthew Amaral, PA-CPhysician Assistant1891342218
  6. Patricia Andrade, MDSurgery Physician1417956426

Verify Tammy Lynn Gleeson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 265624
    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 Massachusetts license search

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2.1 times the Medicare Part D claims of the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024

215 Medicare Part D claims for 77 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. 41 claims were for opioids.

  1. Tammy Gleeson215
  2. Specialty average101

Most prescribed

  1. Gabapentin52 claims
  2. Oxycodone Hcl33 claims
  3. Metoclopramide Hcl18 claims
  4. Albuterol Sulfate Hfa13 claims
  5. Amoxicillin-Clavulanate Potass13 claims
  6. Omeprazole12 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.

Industry payments in 2024: $5,698.79

18 payments; by number, the most common kind was food and beverage; the largest payer was Atricure, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tammy Gleeson$5,698.79
  2. Specialty average$7,828.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Southcoast Physicians Group IncFairhaven, MA

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

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Massachusetts

There are 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts.

Other thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts

  1. Ibrahim Abdelmoneim, MDBoston, MA1447196845
  2. Mohamed Abdelrahman, MDBoston, MA1558050591
  3. Alfred Adegboyegun, MDSpringfield, MA1205953957
  4. Arvind Agnihotri, MDBrighton, MA1528058625
  5. Nathan Airhart, MDSpringfield, MA1851611008
  6. Cary Akins, MDBoston, MA1447231899
  7. James Allan, MDBoston, MA1699765859
  8. Timothy Anderson, MDNorwood, MA1275527806
  9. Sary Aranki, MDBoston, MA1881639102
  10. Hugh Auchincloss, M.D.Boston, MA1003076522

Common questions

What is Tammy Lynn Gleeson, DO's NPI number?

Tammy Lynn Gleeson, DO's National Provider Identifier (NPI) is 1023085214, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Lynn Gleeson, DO located?

The NPPES record lists a practice address at 208 Mill RD, Fairhaven, MA, 02719. Phone: (508) 973-2204. Providers update this record themselves, so call before visiting.

How can I verify Tammy Lynn Gleeson, DO's license?

NPPES lists Massachusetts license number 265624, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tammy Lynn Gleeson, DO prescribe under Medicare Part D?

In 2024, Tammy Lynn Gleeson, DO had 215 Medicare Part D claims for 77 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.