Brian J. Cohen, M.D.
Nephrology Physician · Boston, MA
Brian J. 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.
- Name
- Brian J. 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
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050406000068); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 750 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
- Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
- Lori Abrahamian, M.D.Anesthesiology Physician1528012192
- Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
- Ghada Al Mubarak, M.D.Surgery Physician1407034911
- Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919
Verify Brian J. Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 52442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 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 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 119 claims were for opioids.
Most prescribed
- Atorvastatin Calcium225 claims
- Amlodipine Besylate129 claims
- Eliquis124 claims
- Lisinopril104 claims
- Omeprazole91 claims
- 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: food and beverage; the largest payer was Abbott Laboratories. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian J. Cohen among 417 nephrology physician records in Massachusetts
Brian J. Cohen, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1978 · median 2001 among the 295 with a school on file
- Record last updated2007 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Scott Gilbert, M.D.Boston, MA 021111770699589
- Craig Gordon, MDBoston, MA 021111508834763
- Eliot Heher, MDBoston, MA 021111285604835
- Lesley Inker, MDBoston, MA 021111659482743
- Andrei Kouznetsov, MDBoston, MA 021111114000585
- Amy Kuhlik, MDBoston, MA 021111457468480
- Andrew Levey, M.D.Boston, MA 021111902830664
- Klemens Meyer, M.D.Boston, MA 021111235177544
Common questions
What is Brian J. Cohen, M.D.'s NPI number?
Brian J. 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 J. 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 J. 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://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian J. Cohen, M.D. prescribe under Medicare Part D?
In 2024, Brian J. Cohen, M.D. had 3,081 Medicare Part D claims for 259 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.