Harry Anastopoulos, M.D.
NPI 1043306558 · Gastroenterology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harry Anastopoulos, M.D. is a Gastroenterology Physician provider in Boston, MA (NPI 1043306558).
Provider details
- NPI number
- 1043306558
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55890 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
889 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $102 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 153 | $110 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 152 | $262 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 106 | $187 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 104 | $132 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 395 | 381 |
| Omeprazole | 319 | 108 |
| Pantoprazole Sodium | 279 | 98 |
| Famotidine | 189 | 71 |
| Dicyclomine Hcl | 148 | 54 |
| Mesalamine | 59 | 17 |
| Linaclotidebrand: Linzess | 54 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$586 across 23 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
- 2006-10-04
- Last updated
- 2007-07-08
Frequently asked questions
- What is Harry Anastopoulos's NPI number?
- Harry Anastopoulos's National Provider Identifier (NPI) is 1043306558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Anastopoulos's specialty?
- Harry Anastopoulos is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Anastopoulos located?
- Harry Anastopoulos's practice location on file with NPPES is 110 Francis St Suite 8e, Boston, MA 02215.
- What is Harry Anastopoulos's phone number?
- The practice phone number listed in the NPPES registry for Harry Anastopoulos is (617) 632-8623.
- Does Harry Anastopoulos accept Medicare?
- Harry Anastopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harry Anastopoulos's NPI active?
- Yes — Harry Anastopoulos's NPI (1043306558) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.