NPPES file of Aug 9, 2026

Maria Stamou, MD, PHD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Maria Stamou, MD, PHD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1033562244, issued on Jul 22, 2016. Check the license (Massachusetts 287498, 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
1033562244
Name
Maria Stamou
Credential
MD, PHD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
287498 MA
268101 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 726-2000
Enumerated
Jul 22, 2016
Record last updated
Jun 3, 2022
Medicare enrollment
Enrolled (PECOS I20220608001787); accepts Medicare assignment
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 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Maria Stamou 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 287498
    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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99% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

36 Medicare Part D claims for 11 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.

  1. Maria Stamou36
  2. Specialty average2,630

Most prescribed

  1. Testosterone17 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. Massachusetts General Physicians Organization IncBoston, MA

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

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

Other endocrinology, diabetes & metabolism physician records in Massachusetts

  1. Alice Abbott, MDLeeds, MA1922096205
  2. Adham Abdel Mottalib, MDBoston, MA1740774892
  3. Aya Abou El Nasr El Bassatne, M.D.Boston, MA1922674134
  4. Tobin Abraham, M.D.Chestnut Hill, MA1568629376
  5. Martin Abrahamson, M.D.Boston, MA1336254226
  6. Ana Paula Abreu Metzger, M.D., PHDBoston, MA1548632359
  7. Gail Adler, MD PHDBoston, MA1780675280
  8. Sara Ahmadi, M.D.Boston, MA1700082617
  9. Alexandra Albert, MD PHDWorcester, MA1164059127
  10. Erik Alexander, MDBoston, MA1285692376

Common questions

What is Maria Stamou, MD, PHD's NPI number?

Maria Stamou, MD, PHD's National Provider Identifier (NPI) is 1033562244, issued on Jul 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Maria Stamou, MD, PHD located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.

How can I verify Maria Stamou, MD, PHD's license?

NPPES lists Massachusetts license number 287498, 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 Maria Stamou, MD, PHD prescribe under Medicare Part D?

In 2024, Maria Stamou, MD, PHD had 36 Medicare Part D claims for 11 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.