NPPES file of Aug 9, 2026

Michael Rosenblatt, M.D.

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Michael Rosenblatt, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1699896753, issued on Apr 3, 2007. Check the license (Massachusetts 37320, 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
1699896753
Name
Michael Rosenblatt
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
37320 MA
Self-reported in NPPES; status is on the state search
Practice location
Tufts University School OF Medicine, Boston, MA 02111
Phone
(617) 636-6565
Enumerated
Apr 3, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Michael Rosenblatt 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 37320
    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

31 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Michael Rosenblatt31
  2. Specialty average2,630

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: $200.00

1 payment: travel and lodging; the largest payer was Ferring Pharmaceuticals Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Rosenblatt$200.00
  2. Specialty average$5,742.15

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

Michael Rosenblatt among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Michael Rosenblatt, M.D. 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 2007, is newer than 48% of them.

  • NPI issued2007 · 48% of these records are older, 40% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • 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. Anastassios Pittas, MDBoston, MA 021111508976036

Common questions

What is Michael Rosenblatt, M.D.'s NPI number?

Michael Rosenblatt, M.D.'s National Provider Identifier (NPI) is 1699896753, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Michael Rosenblatt, M.D. located?

The NPPES record lists a practice address at Tufts University School OF Medicine, Boston, MA, 02111. Phone: (617) 636-6565. Providers update this record themselves, so call before visiting.

How can I verify Michael Rosenblatt, M.D.'s license?

NPPES lists Massachusetts license number 37320, 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 Michael Rosenblatt, M.D. prescribe under Medicare Part D?

In 2024, Michael Rosenblatt, M.D. had 31 Medicare Part D claims; 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.