Jonathan Efrem Selwitz, PA-C
Physician Assistant · Somerville, MA
Jonathan Efrem Selwitz, PA-C is a physician assistant with a practice address in Somerville, Massachusetts, and NPI 1467064220, issued on Aug 21, 2020. Check the license (Massachusetts PA7737, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Efrem Selwitz
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- PA7737 MA
PA2508 ME
Self-reported in NPPES; status is on the state search - Practice location
- 401 Highland Ave, Somerville, MA 02144
- Phone
- (866) 934-7450
- Enumerated
- Aug 21, 2020
- Record last updated
- Apr 25, 2024
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 401 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaclyn Ahearn, MSW, LCSWSocial Worker1013560317
- Deborah Aloisi, MSW, LICSWSocial Worker1801175450
- Jasmine AriasLicensed Practical Nurse1699482174
- Maria Atherton-Quinteros, LCSWClinical Social Worker1285160838
- Grace Bouton, PA-CPhysician Assistant1417506684
- Caitlin BraggMental Health Counselor1295321214
Verify Jonathan Efrem Selwitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA7737Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average physician assistant in 2024
91 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Buprenorphine-Naloxone35 claims
- Suboxone20 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.
Jonathan Efrem Selwitz among 4,713 physician assistant records in Massachusetts
Jonathan Efrem Selwitz, PA-C 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 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2024 · 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).
Physician Assistant providers in Massachusetts
There are 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Somerville → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Grace Bouton, PA-CSomerville, MA 021441417506684
- Giyoung Choi, PHYSICIAN ASSISTANTSomerville, MA 021441154192334
- D. Gilbert, PA-CSomerville, MA 021441033274436
- Kourtney Kacian, PHYSICIAN ASSISTANTSomerville, MA 021441154059277
- Michael McCarthy, PASomerville, MA 021441477828382
- Deborah Adner, PASomerville, MA 021451821025214
- Marriann Dew, PA-CSomerville, MA 021451164298568
- Danielle Jacobsen, PA-CSomerville, MA 021431811546781
Common questions
What is Jonathan Efrem Selwitz, PA-C's NPI number?
Jonathan Efrem Selwitz, PA-C's National Provider Identifier (NPI) is 1467064220, issued on Aug 21, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Efrem Selwitz, PA-C located?
The NPPES record lists a practice address at 401 Highland Ave, Somerville, MA, 02144. Phone: (866) 934-7450. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Efrem Selwitz, PA-C's license?
NPPES lists Massachusetts license number PA7737, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Efrem Selwitz, PA-C prescribe under Medicare Part D?
In 2024, Jonathan Efrem Selwitz, PA-C had 91 Medicare Part D claims for 37 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.