NPPES file of Aug 9, 2026

Steele Belok, MD

Internal Medicine Physician · Cambridge, MA

Steele Belok, MD is an internal medicine physician with a practice address in Cambridge, Massachusetts, and NPI 1831138536, issued on Jun 6, 2006. Check the license (Massachusetts 36356, 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
1831138536
Name
Steele Belok
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36356 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Mount Auburn St S 412, Cambridge, MA 02238
Phone
(617) 661-9744
Enumerated
Jun 6, 2006
Record last updated
Mar 4, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(617) 661-9121
Medicaid ID
2066971 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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Verify Steele Belok 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 36356
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

19 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Steele Belok19
  2. Specialty average3,176

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.

Steele Belok among 6,825 internal medicine physician records in Massachusetts

Steele Belok, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2011 · 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 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

300 internal medicine physician records list a practice address in Cambridge

They are 300 of the 5,145 NPPES records with a practice address in Cambridge, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ursula Collinson, M.D.Boston, MA 022411932182847
  2. Tia Andrade, MDBoston, MA 022151134859069
  3. Shawn JohnsonBoston, MA 022151063102200
  4. Zachary KassirBoston, MA 022151346971546
  5. Netana Markovitz, MDBoston, MA 022151639818750
  6. Janet Monroe, MDBoston, MA 022151558004101
  7. Mallika Purandare, BS, MDBoston, MA 022151427850437
  8. Dana Saleh, MDBoston, MA 022151548943673

Common questions

What is Steele Belok, MD's NPI number?

Steele Belok, MD's National Provider Identifier (NPI) is 1831138536, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Steele Belok, MD located?

The NPPES record lists a practice address at 300 Mount Auburn St S 412, Cambridge, MA, 02238. Phone: (617) 661-9744. Providers update this record themselves, so call before visiting.

How can I verify Steele Belok, MD's license?

NPPES lists Massachusetts license number 36356, 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 Steele Belok, MD prescribe under Medicare Part D?

In 2024, Steele Belok, MD had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.