John Griswell, M.D.
NPI 1902861610 · Emergency Medical Services (Emergency Medicine) Physician · Fort Worth, TX
John Griswell, M.D. is a Emergency Medical Services (Emergency Medicine) Physician provider in Fort Worth, TX (NPI 1902861610).
Provider details
- NPI number
- 1902861610
- Entity type
- Individual
- Primary specialty
- Emergency Medical Services (Emergency Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F3481 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-04-18
- Last updated
- 2010-06-21
Frequently asked questions
- What is John Griswell's NPI number?
- John Griswell's National Provider Identifier (NPI) is 1902861610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Griswell's specialty?
- John Griswell is listed in the NPPES registry with a primary specialty of Emergency Medical Services (Emergency Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Griswell located?
- John Griswell's practice location on file with NPPES is 11801 S. Freeway, Fort Worth, TX 76134.
- What is John Griswell's phone number?
- The practice phone number listed in the NPPES registry for John Griswell is (817) 790-7780.
- Is John Griswell's NPI active?
- Yes — John Griswell's NPI (1902861610) is active in the NPPES registry as of the last update on 2010-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.