NPPES file of Aug 9, 2026

Samuel Bielak, M.D.

Obstetrics & Gynecology Physician · Boston, MA

Samuel Bielak, M.D. is an obstetrics & gynecology physician with a practice address in Boston, Massachusetts, and NPI 1508950403, issued on Oct 3, 2006. Check the license (Massachusetts 37654, 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
1508950403
Name
Samuel Bielak
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
37654 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Avenue, Boston, MA 02215
Phone
(617) 667-4165
Enumerated
Oct 3, 2006
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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8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →

Also registered at 330 Brookline Avenue

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

  1. Karin Adrai, M.D.Neuroradiology Physician1295524338
  2. Adel Alhazzani, M.DVascular Neurology Physician1013156249
  3. Asha Anandaiah, MDPulmonary Disease Physician1184627481
  4. Katherine Armstrong, MDObstetrics & Gynecology Physician1104188853
  5. Joseph Aronovitz, M.D.Radiation Oncology Physician1316995418
  6. Sai Preethi Athota, MBBS, M.DStudent in an Organized Health Care Education/Training Program1811788698

Verify Samuel Bielak 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 37654    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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Samuel Bielak among 1,127 obstetrics & gynecology physician records in Massachusetts

Samuel Bielak, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% 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 16% of them.

  • NPI issued2006 · 16% of these records are older, 50% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Massachusetts

There are 1,127 obstetrics & gynecology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,127 in Massachusetts → Every provider in Boston → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Anne Davenas, MDBoston, MA 022151306817044
  2. Dorothy Dowling, MDBoston, MA 022151861447948
  3. Eric Ganz, M.D.Boston, MA 022151346241858
  4. Gladys Gibbs, MDBoston, MA 022151801982970
  5. Rafik Mansour, MDBoston, MA 022151487600136
  6. Ronald Marcus, M.D.Boston, MA 022151497789283
  7. Sandra Mason, M.D.Boston, MA 022151891753273
  8. Maureen Paul, M.D.Boston, MA 022151003822818

Common questions

What is Samuel Bielak, M.D.'s NPI number?

Samuel Bielak, M.D.'s National Provider Identifier (NPI) is 1508950403, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Samuel Bielak, M.D. located?

The NPPES record lists a practice address at 330 Brookline Avenue, Boston, MA, 02215. Phone: (617) 667-4165. Providers update this record themselves, so call before visiting.

How can I verify Samuel Bielak, M.D.'s license?

NPPES lists Massachusetts license number 37654, 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.