Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mr. John K Griswell, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1902861610

Mr. John K Griswell, MD is an Emergency Medical Services (Emergency Medicine) Physician in Fort Worth, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

11801 S Fwy
Fort Worth, TX 76134
Phone: (817) 790-7780
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence F3481 (TX)
Emergency Medicine Physician Taxonomy 207P00000X · Licence F3481 (TX)

Record details

NPI number1902861610
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESJune 21, 2010
Mailing addressPo Box 32, Keene, TX 76059-0032

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