Gregory Seiler, MD
NPI 1306827274 · Family Medicine Physician · South Easton, MA
Gregory Seiler, MD is a Family Medicine Physician provider in South Easton, MA (NPI 1306827274).
Provider details
- NPI number
- 1306827274
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 152640 (MA)
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
20 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-08
- Last updated
- 2014-03-27
Frequently asked questions
- What is Gregory Seiler's NPI number?
- Gregory Seiler's National Provider Identifier (NPI) is 1306827274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Seiler's specialty?
- Gregory Seiler is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Seiler located?
- Gregory Seiler's practice location on file with NPPES is 21 Bristol Dr, South Easton, MA 02375-1199.
- What is Gregory Seiler's phone number?
- The practice phone number listed in the NPPES registry for Gregory Seiler is (508) 565-7300.
- Is Gregory Seiler's NPI active?
- Yes — Gregory Seiler's NPI (1306827274) is active in the NPPES registry as of the last update on 2014-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.