Registry data as of Aug 27, 2026

Brian Cohen, M.D.

Nephrology Physician · Boston, MA

Brian Cohen, M.D. is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1326070954, issued on Jul 6, 2006. Check the license (Massachusetts 52442, 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
1326070954
Name
Brian Cohen
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
52442 MA
Self-reported in NPPES; status is on the state search
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5000
Enumerated
Jul 6, 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.
Download card Updates feed

Also registered at 750 Washington St

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

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Brian Cohen 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 52442    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.

2.0 times the Medicare Part D claims of the average nephrology physician in 2024

3,081 Medicare Part D claims for 259 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 119 claims were for opioids.

  1. Brian Cohen3,081
  2. Specialty average1,511

Most prescribed

  1. Atorvastatin Calcium225 claims
  2. Amlodipine Besylate129 claims
  3. Eliquis124 claims
  4. Lisinopril104 claims
  5. Omeprazole91 claims
  6. Rosuvastatin Calcium89 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.

Industry payments in 2024: $23.49

1 payment, mostly food and beverage; the largest payer was Abbott Laboratories. The 6,365 providers of this specialty with any payment received $3,068.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Cohen$23.49
  2. Specialty average$3,068.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Pratt Medical Group IncBoston, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nephrology Physician providers in Massachusetts

There are 314 nephrology physician records in Massachusetts.

All 314 in Massachusetts → Every provider in Boston →

Other nephrology physician records in Massachusetts

  1. Amtul Aala, MDBoston, MA1174946347
  2. Reza Abdi, MDBoston, MA1356359368
  3. Vivian AbernethyBoston, MA1710960232
  4. Rekha Abichandani, M.D.Cambridge, MA1912033598
  5. Konstantin Abramov, M.D.Worcester, MA1992854707
  6. Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
  7. Ahsan Alam, M.D.Boston, MA1598885980
  8. David Albert, M.D.Pittsfield, MA1386692531
  9. Saif Alenizi, M.D., M.P.H.Boston, MA1255680997
  10. Howard Alfred, M.D.Worcester, MA1942283627

Common questions

What is Brian Cohen, M.D.'s NPI number?

Brian Cohen, M.D.'s National Provider Identifier (NPI) is 1326070954, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Cohen, M.D. located?

The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.

How can I verify Brian Cohen, M.D.'s license?

NPPES lists Massachusetts license number 52442, 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 Brian Cohen, M.D. prescribe under Medicare Part D?

In 2024, Brian Cohen, M.D. had 3,081 Medicare Part D claims for 259 beneficiaries; the average among nephrology physician prescribers was 1,511. 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.

Compiled from official public sources by the editorial process.

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.