Doctor profile · Federal record

Dr. Harry Anastopoulos, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA

  • NPI 1043306558
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
110 Francis St Suite 8E
Boston, MA 02215
(617) 632-8623

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #55890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043306558. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
880
Distinct HCPCS
10
Medicare allowed
$135,093
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 200 163 $104
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 184 184 $267
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 142 140 $112
45380 Biopsy of large bowel using a flexible endoscope 116 115 $129
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 102 101 $191
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $142
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 40 40 $6
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 26 26 $187
45378 Diagnostic exam of large bowel using a flexible endoscope 14 14 $195
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 12 12 $53

In context: peer comparison

Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$586
Transactions
23
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 16 $401.60
Phathom Pharmaceuticals, INC. 4 $106.52
Genzyme Corporation 2 $60.00
Pfizer INC. 1 $17.54

By nature of payment

Food and Beverage
$586

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,737
Patients
922
Total drug cost
$269,948
Drug Type Claims Patients Total cost
Omeprazole Generic 352 124 $8,328
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 351 343 $27,935
Pantoprazole Sodium Generic 230 80 $6,807
Famotidine Generic 220 77 $5,409
Dicyclomine Hcl Generic 122 57 $3,145
Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) Brand 103 102 $19,641
Mesalamine Generic 77 21 $64,483
Linzess (Linaclotide) Brand 53 11 $50,049
Ondansetron Odt (Ondansetron) Brand 49 12 $609
Hydrocortisone Generic 47 25 $1,110

Frequently asked questions

Auto-generated from federal data
What is Dr. Harry Anastopoulos's medical specialty?
Dr. Harry Anastopoulos practices Gastroenterology Physician in Boston, MA.
Where does Dr. Harry Anastopoulos practice?
Dr. Harry Anastopoulos practices at 110 Francis St Suite 8E, Boston, MA 02215. Office phone: 6176328623.
What is Dr. Harry Anastopoulos's NPI?
Dr. Harry Anastopoulos's National Provider Identifier (NPI) is 1043306558, issued by NPPES.
Does Dr. Harry Anastopoulos accept Medicare assignment?
Yes. Dr. Harry Anastopoulos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harry Anastopoulos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.