Francis Macmillan, M.D.
NPI 1205804952 · Gastroenterology Physician · Manchester, NH
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francis Macmillan, M.D. is a Gastroenterology Physician provider in Manchester, NH (NPI 1205804952).
Provider details
- NPI number
- 1205804952
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 14030 (NH)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
723 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 196 | $241 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 99 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 58 | $91 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 49 | $101 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 336 | 92 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 153 | 151 |
| Omeprazole | 79 | 18 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 59 | 57 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 57 | 57 |
| Rabeprazole Sodium | 36 | — |
| Mesalamine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 across 1 record (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
Additional practice locations (1)
- 3 Alumni Dr Ste 201Exeter, NH 03833Phone: (603) 772-5528Fax: (603) 777-1296
Registry dates
- Enumerated
- 2006-03-09
- Last updated
- 2025-01-21
- Certified
- 2025-01-21
Frequently asked questions
- What is Francis Macmillan's NPI number?
- Francis Macmillan's National Provider Identifier (NPI) is 1205804952, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Macmillan's specialty?
- Francis Macmillan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Macmillan located?
- Francis Macmillan's practice location on file with NPPES is 100 Hitchcock Way, Manchester, NH 03104-4125.
- What is Francis Macmillan's phone number?
- The practice phone number listed in the NPPES registry for Francis Macmillan is (603) 695-2500.
- Does Francis Macmillan accept Medicare?
- Francis Macmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francis Macmillan's NPI active?
- Yes — Francis Macmillan's NPI (1205804952) is active in the NPPES registry as of the last update on 2025-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.