NPPES file of Aug 9, 2026

Aaron Martin Cypess, M.D., PH.D.

Endocrinology, Diabetes & Metabolism Physician · Boston, MA

Aaron Martin Cypess, M.D., PH.D. is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1598730749, issued on Feb 21, 2006. Check the license (Massachusetts 211865, 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
1598730749
Name
Aaron Martin Cypess
Credential
M.D., PH.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
211865 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 667-4016
Enumerated
Feb 21, 2006
Record last updated
Jul 13, 2026
Fax
(617) 667-7060
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 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Aaron Martin Cypess 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 211865    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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Aaron Martin Cypess among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Aaron Martin Cypess, M.D., PH.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 updated2026 · 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 Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →

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

  1. Richard Beaser, MDBoston, MA 022151447204540
  2. Ramachandiran Cooppan, M.D.Boston, MA 022151366499097
  3. Rachael Fawcett, M.D.Boston, MA 022151801879945
  4. Robert Gabbay, M.D.Boston, MA 022151720036627
  5. Jason Gaglia, M.D.Boston, MA 022151023098605
  6. Mark Herman, M.D.Boston, MA 022151043261795
  7. George King, M.D.Boston, MA 022151669458816
  8. Christos Mantzoros, MDBoston, MA 022151275512808

Common questions

What is Aaron Martin Cypess, M.D., PH.D.'s NPI number?

Aaron Martin Cypess, M.D., PH.D.'s National Provider Identifier (NPI) is 1598730749, issued on Feb 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Martin Cypess, M.D., PH.D. located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-4016. Providers update this record themselves, so call before visiting.

How can I verify Aaron Martin Cypess, M.D., PH.D.'s license?

NPPES lists Massachusetts license number 211865, 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.