Registry data as of Aug 27, 2026

Jonathan Blumberg, MD

Internal Medicine Physician · Brookline, MA

Jonathan Blumberg, MD is an internal medicine physician with a practice address in Brookline, Massachusetts, and NPI 1609881317, issued on Jul 30, 2006. Check the license (Massachusetts 206504, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1609881317
Name
Jonathan Blumberg
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
206504 MA
Self-reported in NPPES; status is on the state search
Practice location
1101 Beacon St, Brookline, MA 02446
Phone
(617) 731-6334
Enumerated
Jul 30, 2006
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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Also registered at 1101 Beacon St

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

  1. Amy Akland, PA-CMedical Physician Assistant1093915795
  2. Stephen Amira, PH.D.Clinical Psychologist1831262245
  3. Julie Anderson, PH.D.Psychologist1821190588
  4. Heather Ayares, LICSWClinical Social Worker1710107263
  5. Alexandra Beckett, M.D.Psychiatry Physician1457363962
  6. Sharon Bober, PH.D.Clinical Psychologist1215980412

Verify Jonathan Blumberg 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 206504
    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.

10% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,509 Medicare Part D claims for 189 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 31 claims were for opioids.

  1. Jonathan Blumberg2,509
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium262 claims
  2. Rosuvastatin Calcium157 claims
  3. Lisinopril105 claims
  4. Amlodipine Besylate99 claims
  5. Levothyroxine Sodium73 claims
  6. Metoprolol Succinate65 claims

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.

62 internal medicine physician records list a Brookline practice address

They are 62 of the 2,357 NPPES records with a Brookline practice address, and 7,865 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Zainab AbbasWorcester, MA1609028000
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Lauren Abbate, MDBoston, MA1922099621
  5. Bassima Abdallah, MDBoston, MA1912327305
  6. Samah Abdallah, MDBrighton, MA1730814971
  7. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  8. Salah Abdelgadir, MDBoston, MA1891280954
  9. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Jonathan Blumberg, MD's NPI number?

Jonathan Blumberg, MD's National Provider Identifier (NPI) is 1609881317, issued on Jul 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Blumberg, MD located?

The NPPES record lists a practice address at 1101 Beacon St, Brookline, MA, 02446. Phone: (617) 731-6334. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Blumberg, MD's license?

NPPES lists Massachusetts license number 206504, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Blumberg, MD prescribe under Medicare Part D?

In 2024, Jonathan Blumberg, MD had 2,509 Medicare Part D claims for 189 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.