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

John S Ferris, MD

Individual provider Internal Medicine Physician · NPI 1538257084

John S Ferris, MD is an Internal Medicine Physician in Grapevine, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
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

1604 Lancaster Dr
Grapevine, TX 76051
Phone: (817) 481-8661
Fax: (817) 416-8801
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence E6346 (TX)

Record details

NPI number1538257084
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESJune 28, 2022
Certification dateJune 28, 2022
Mailing address1604 Lancaster Dr, Grapevine, TX 76051

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