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Edit this profileAt a glance
- 40 Holland St, Somerville, MA 02144
About Michael Mccarthy
Michael D. McCarthy, PA is a physician assistant practicing in Somerville, MA. According to Medicare claims data, Michael cared for 767 Medicare patients across 14,948 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint. This provider record is associated with NPI 1477828382.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 629-6000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
40 HOLLAND ST
Somerville, MA 02144
Procedures Most Often Billed to Medicare
14,948 services · 767 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
331 | More than most peers in Physician Assistant |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
13,820 | More than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
212 | As often as other peers in Physician Assistant |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
117 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
347 | More than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
121 | More than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other physician assistants in Somerville 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MA who bill this service to Medicare most often.
Common questions
What kind of doctor is Michael D. McCarthy?
Michael D. McCarthy is a physician assistant in Somerville, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Michael D. McCarthy's address?
Michael D. McCarthy is listed at 40 Holland St, Somerville, MA 02144. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Michael D. McCarthy?
The number on file is (617) 629-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Michael D. McCarthy's NPI number?
Michael D. McCarthy's National Provider Identifier is 1477828382. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michael D. McCarthy train?
Michael D. McCarthy attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How long has Michael D. McCarthy been practicing?
Michael D. McCarthy has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What procedures does Michael D. McCarthy perform?
According to Medicare billing data, Michael D. McCarthy performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Michael D. McCarthy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Michael D. McCarthy. If this is you, claiming it is free.
Guide.md
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