Thomas Duffield, M.D.
NPI 1548207699 · Family Medicine Physician · Feasterville, PA
Thomas Duffield, M.D. is a Family Medicine Physician provider in Feasterville, PA (NPI 1548207699).
Provider details
- NPI number
- 1548207699
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD042641E (PA)
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
- 2006-05-31
- Last updated
- 2013-10-04
Frequently asked questions
- What is Thomas Duffield's NPI number?
- Thomas Duffield's National Provider Identifier (NPI) is 1548207699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Duffield's specialty?
- Thomas Duffield is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Duffield located?
- Thomas Duffield's practice location on file with NPPES is 1200 Bustleton Pike, Feasterville, PA 19053.
- What is Thomas Duffield's phone number?
- The practice phone number listed in the NPPES registry for Thomas Duffield is (267) 225-2975.
- Is Thomas Duffield's NPI active?
- Yes — Thomas Duffield's NPI (1548207699) is active in the NPPES registry as of the last update on 2013-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.