Michael David McCarthy, PA
Physician Assistant · Somerville, MA
Michael David McCarthy, PA is a physician assistant with a practice address in Somerville, Massachusetts, and NPI 1477828382, issued on Mar 12, 2012. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael David McCarthy
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA07778 TX
Self-reported in NPPES; status is on the state search - Practice location
- 40 Holland St, Somerville, MA 02144
- Phone
- (617) 629-6000
- Enumerated
- Mar 12, 2012
- Record last updated
- Sep 29, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151204002303); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 40 Holland St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dolly Arjun, PA-CPediatrics Physician1376924738
- Jill Ashcraft, DPMFoot & Ankle Surgery Podiatrist1316205909
- Rachel Berger, M.D.Internal Medicine Physician1326019456
Verify Michael David McCarthy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average physician assistant in 2024
198 Medicare Part D claims for 134 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 95 claims were for opioids.
Most prescribed
- Oxycodone Hcl53 claims
- Methylprednisolone31 claims
- Meloxicam22 claims
- Tramadol Hcl15 claims
- Diclofenac Sodium13 claims
- Hydromorphone Hcl12 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.
Bills Medicare through one group practice
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael David McCarthy among 4,713 physician assistant records in Massachusetts
Michael David McCarthy, 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 2012, is newer than 25% of them.
- NPI issued2012 · 25% of these records are older, 72% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2019 among the 3,217 with a school on file
- Record last updated2015 · 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
- Jonathan Selwitz, PA-CSomerville, MA 021441467064220
- Deborah Adner, PASomerville, MA 021451821025214
- Marriann Dew, PA-CSomerville, MA 021451164298568
- Danielle Jacobsen, PA-CSomerville, MA 021431811546781
Common questions
What is Michael David McCarthy, PA's NPI number?
Michael David McCarthy, PA's National Provider Identifier (NPI) is 1477828382, issued on Mar 12, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Michael David McCarthy, PA located?
The NPPES record lists a practice address at 40 Holland St, Somerville, MA, 02144. Phone: (617) 629-6000. Providers update this record themselves, so call before visiting.
How can I verify Michael David McCarthy, PA's license?
Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Michael David McCarthy, PA prescribe under Medicare Part D?
In 2024, Michael David McCarthy, PA had 198 Medicare Part D claims for 134 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.