NPPES file of Aug 9, 2026

Anastassios G. Pittas, MD

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Anastassios G. Pittas, MD is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1508976036, issued on Aug 30, 2006. Check the license (Massachusetts 156688, 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
1508976036
Name
Anastassios G. Pittas
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
156688 MA
Self-reported in NPPES; status is on the state search
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Aug 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20101109000725); accepts Medicare assignment
Medical or professional school
Js Weill Medical College, Cornell University, 1995
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 750 Washington St

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

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Anastassios G. Pittas 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 156688
    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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79% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

548 Medicare Part D claims for 81 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.

  1. Anastassios Pittas548
  2. Specialty average2,630

Most prescribed

  1. Ozempic59 claims
  2. Levothyroxine Sodium38 claims
  3. Trulicity36 claims
  4. Metformin Hcl27 claims
  5. Basaglar Kwikpen U-10022 claims
  6. Humalog Mix 75-25 Kwikpen20 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. Pratt Medical Group IncBoston, MA

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

Anastassios G. Pittas among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Anastassios G. Pittas, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1995 · median 2002 among the 378 with a school on file
  • Record last updated2007 · 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 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

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

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Lisa Ceglia, M.D.Boston, MA 021111558417055
  2. Bess Dawson-Hughes, M.D.Boston, MA 021111528083714
  3. Feyza Erenler, M.D.Boston, MA 021111013395375
  4. Maya Fayfman, M.D.Boston, MA 021111851612956
  5. Andrew Greenberg, M.D.Boston, MA 021111720046956
  6. Jacqueline Kung, MDBoston, MA 021111518120872
  7. Ronald Lechan, M.D.Boston, MA 021111700824018
  8. Michael Rosenblatt, M.D.Boston, MA 021111699896753

Common questions

What is Anastassios G. Pittas, MD's NPI number?

Anastassios G. Pittas, MD's National Provider Identifier (NPI) is 1508976036, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Anastassios G. Pittas, MD located?

The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Anastassios G. Pittas, MD's license?

NPPES lists Massachusetts license number 156688, 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 Anastassios G. Pittas, MD prescribe under Medicare Part D?

In 2024, Anastassios G. Pittas, MD had 548 Medicare Part D claims for 81 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.