Thomas Duff, DO
NPI 1326421728 · Emergency Medicine Physician · Damariscotta, ME
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Duff, DO is a Emergency Medicine Physician provider in Damariscotta, ME (NPI 1326421728).
Provider details
- NPI number
- 1326421728
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- DO3033 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 27 | 27 |
| Doxycycline Monohydrate | 22 | 22 |
| Prednisone | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 14 | 14 |
| Azithromycin | 13 | 13 |
| Oxycodone Hcl | 13 | 13 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-07-02
- Last updated
- 2025-04-22
- Certified
- 2025-04-22
Frequently asked questions
- What is Thomas Duff's NPI number?
- Thomas Duff's National Provider Identifier (NPI) is 1326421728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Duff's specialty?
- Thomas Duff is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Duff located?
- Thomas Duff's practice location on file with NPPES is 35 Miles St, Damariscotta, ME 04543-4047.
- What is Thomas Duff's phone number?
- The practice phone number listed in the NPPES registry for Thomas Duff is (207) 563-4521.
- Does Thomas Duff accept Medicare?
- Thomas Duff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Duff's NPI active?
- Yes — Thomas Duff's NPI (1326421728) is active in the NPPES registry as of the last update on 2025-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.