NPPES file of Aug 9, 2026

Warren Thau, M.D.

Endocrinology, Diabetes & Metabolism Physician · Springfield, MA

Warren Thau, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Springfield, Massachusetts, and NPI 1609839661, issued on Apr 10, 2006. Check the license (Massachusetts 53956, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1609839661
Name
Warren Thau
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
53956 MA
Self-reported in NPPES; status is on the state search
Practice location
305 Bicentennial Hwy, Springfield, MA 01118
Phone
(413) 733-4101
Enumerated
Apr 10, 2006
Record last updated
Jul 26, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(413) 796-6821
Medicaid ID
6187994 MA
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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8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →

Also registered at 305 Bicentennial Hwy

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

  1. Kelly Armstrong, M.D.Internal Medicine Physician1508820275
  2. Michael Bartolo, APRNAcute Care Nurse Practitioner1356040620
  3. Karen Bourgeault, P.A.C.Physician Assistant1134184179
  4. Kyle Bruce, DPMPodiatrist1306137906
  5. Rebecca Brushwood, DOObstetrics & Gynecology Physician1689836199
  6. Christopher Cooper, PA-CPhysician Assistant1366925919

Verify Warren Thau 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 53956    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

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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Warren Thau among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Warren Thau, 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 not. Its NPI, issued in 2006, is newer than 14% of them.

  • NPI issued2006 · 14% of these records are older, 52% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2011 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 522 in Massachusetts → Every provider in Springfield → Endocrinology, Diabetes & Metabolism Physician nationwide →

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

  1. Kimberly Browne-Martin, M.D.Springfield, MA 011071174510465
  2. Barrett Chapin, MDSpringfield, MA 011071629009493
  3. Michele Gortakowski, M.D.Springfield, MA 011071710243621
  4. Jordesha Hodge, M.D.Springfield, MA 011071861955155
  5. Setana Idriss, MDSpringfield, MA 011071427518521
  6. Barry Izenstein, M.D.Springfield, MA 011071346237583
  7. Issra Jamal, MDSpringfield, MA 011071457792871
  8. Cecilia Lozier, M.D.Springfield, MA 011071316382823

Common questions

What is Warren Thau, M.D.'s NPI number?

Warren Thau, M.D.'s National Provider Identifier (NPI) is 1609839661, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Warren Thau, M.D. located?

The NPPES record lists a practice address at 305 Bicentennial Hwy, Springfield, MA, 01118. Phone: (413) 733-4101. Providers update this record themselves, so call before visiting.

How can I verify Warren Thau, M.D.'s license?

NPPES lists Massachusetts license number 53956, 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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.