Doctor profile · Federal record

Dr. James Diamantopoulos, PA-C

Physician Assistant · Brighton, MA

  • NPI 1871225904
  • 4 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
280 Washington St Ste 212
Brighton, MA 021353511
(617) 762-1616
Mailing address
43 Hobart St
Brighton, MA 021351812

Credentials & registration

NPPES · NUCC
NPI registered
June 2022 — 4 yrs on file
Profile last updated
May 5, 2023
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Massachusetts #PA8861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871225904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,771
Distinct HCPCS
10
Medicare allowed
$69,328
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 871 155 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 238 226 $79
17000 Destruction of precancer skin growth, 1 growth 218 198 $43
11102 Biopsy of related skin growth, first growth 130 128 $79
11301 Shaving of skin growth of body, arms, or legs, 0.6-1.0 cm 61 51 $98
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 58 53 $42
11103 Biopsy of related skin growth, each additional growth 53 38 $45
99212 Established patient office or other outpatient visit, 10-19 minutes 37 37 $50
99203 New patient office or other outpatient visit, 30-44 minutes 23 23 $99
17004 Destruction of precancer skin growth, 15 or more growths 21 21 $152

In context: peer comparison

Among 14 peers in this city , average services per provider: 122. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,871
Transactions
130
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 40 $716.13
UCB, Inc. 18 $538.36
Janssen Biotech, Inc. 14 $429.31
E.R. Squibb & Sons, L.L.C. 25 $348.89
Regeneron Healthcare Solutions, Inc. 6 $189.99
Galderma Laboratories, L.P. 5 $142.96
GENZYME CORPORATION 5 $135.33
Lilly USA, LLC 8 $134.56
Amgen Inc. 3 $87.41
Novartis Pharmaceuticals Corporation 2 $53.01
SUN PHARMACEUTICAL INDUSTRIES INC. 2 $43.48
Dermavant Sciences, Inc. 1 $28.35
Ortho Dermatologics, a division of Bausch Health US, LLC 1 $22.73

By nature of payment

Food and Beverage
$2,604
Education
$267

Frequently asked questions

Auto-generated from federal data
What is Dr. James Diamantopoulos's medical specialty?
Dr. James Diamantopoulos practices Physician Assistant in Brighton, MA.
Where does Dr. James Diamantopoulos practice?
Dr. James Diamantopoulos practices at 280 Washington St Ste 212, Brighton, MA 021353511. Office phone: 6177621616.
What is Dr. James Diamantopoulos's NPI?
Dr. James Diamantopoulos's National Provider Identifier (NPI) is 1871225904, issued by NPPES.
What procedures does Dr. James Diamantopoulos commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.