Yosef Y. Cohen, PA
Physician Assistant · Boston, MA
Yosef Y. Cohen, PA is a physician assistant with a practice address in Boston, Massachusetts, and NPI 1194136507, issued on May 20, 2014. Check the license (Massachusetts PA6421, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yosef Y. Cohen
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA6421 MA
017474 NY
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- May 20, 2014
- Record last updated
- Oct 26, 2022
- Medicare enrollment
- Enrolled (PECOS I20220908003194); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Yosef Y. Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA6421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average physician assistant in 2024
61 Medicare Part D claims for 34 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Hkd Outreach PCMattapan, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yosef Y. Cohen among 4,713 physician assistant records in Massachusetts
Yosef Y. Cohen, PA is one of 4,713 physician assistant 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 2014, is newer than 30% of them.
- NPI issued2014 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2014 · median 2019 among the 3,217 with a school on file
- Record last updated2022 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,660 physician assistant records list a practice address in Boston
They are 1,660 of the 41,865 NPPES records with a practice address in Boston, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Boston → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gerardina Bueti, PA-CBoston, MA 021111164778023
- Leasha Burow, PA-CBoston, MA 021111912087222
- Patricia Clifford, PABoston, MA 021111124155122
- Ann Dempsey, P.A.Boston, MA 021111245317684
- Alison Kaprove, PABoston, MA 021111053497396
- Mihaela Mabius, PABoston, MA 021111326358151
- Sara McReynolds, PABoston, MA 021111982901823
- Ketna Patel, PABoston, MA 021111437384757
Common questions
What is Yosef Y. Cohen, PA's NPI number?
Yosef Y. Cohen, PA's National Provider Identifier (NPI) is 1194136507, issued on May 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Yosef Y. Cohen, PA located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Yosef Y. Cohen, PA's license?
NPPES lists Massachusetts license number PA6421, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Yosef Y. Cohen, PA prescribe under Medicare Part D?
In 2024, Yosef Y. Cohen, PA had 61 Medicare Part D claims for 34 beneficiaries; the average among physician assistant prescribers was 830. 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.