James Diamantopoulos, PA-C
NPI 1871225904 · Physician Assistant · Brighton, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Diamantopoulos, PA-C is a Physician Assistant provider in Brighton, MA (NPI 1871225904).
Provider details
- NPI number
- 1871225904
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA8861 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,207 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,497 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 758 | $78 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 605 | $45 |
| Biopsy of Related Skin Growth, First Growth11102 | 393 | $79 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 168 | $44 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 62 | 44 |
| Betamethasone Dipropionate | 38 | 30 |
| Ammonium Lactate | 37 | 23 |
| Fluorouracil | 33 | 26 |
| Ketoconazole | 24 | 19 |
| Clobetasol Propionate | 23 | 17 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 22 | 17 |
| Tacrolimus | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,871 across 130 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-28
- Last updated
- 2023-05-05
- Certified
- 2023-05-05
Frequently asked questions
- What is James Diamantopoulos's NPI number?
- James Diamantopoulos's National Provider Identifier (NPI) is 1871225904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Diamantopoulos's specialty?
- James Diamantopoulos is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is James Diamantopoulos located?
- James Diamantopoulos's practice location on file with NPPES is 280 Washington St Ste 212, Brighton, MA 02135-3511.
- What is James Diamantopoulos's phone number?
- The practice phone number listed in the NPPES registry for James Diamantopoulos is (617) 762-1616.
- Does James Diamantopoulos accept Medicare?
- James Diamantopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Diamantopoulos's NPI active?
- Yes — James Diamantopoulos's NPI (1871225904) is active in the NPPES registry as of the last update on 2023-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.