Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Timothy Carmack, MD, MPH

Q: What is the NPI number for John Carmack?

The National Provider Identifier (NPI) for John Carmack is 1023034972, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Tappahannock, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023034972

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Registry record

Entity type Individual (Type 1)

Name Dr. John Timothy Carmack

Credential MD, MPH

Sex Male

Practice address 618 Hospital Rd, Tappahannock, VA, 22560

Phone (804) 443-6297

Enumeration date Jul 14, 2006

Last updated in NPPES May 15, 2023

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 0101045525 (VA) Secondary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD.09541R (LA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101045525 (VA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 30744 (WV) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
005639301	Medicaid	VA	-
005829623	Medicaid	VA	-
1023034972	Medicaid	VA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for John Carmack?

The National Provider Identifier (NPI) for John Carmack is 1023034972, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Carmack practice?

The practice location on file with NPPES is in Tappahannock, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

William Lyth Anesthesiology Physician · Tappahannock, VA NPI 1225031263 Stephen Blanchard Certified Registered Nurse Anesthetist · Tappahannock, VA NPI 1932103884 Conceicao Berkowitz Anesthesiology Physician · Tappahannock, VA NPI 1124015391 Lorie Hilliard Certified Registered Nurse Anesthetist · Tappahannock, VA NPI 1699736231 Randy Ferrance Hospitalist Physician · Tappahannock, VA NPI 1043274533 Bonnie Deschner Anesthesiology Physician · Tappahannock, VA NPI 1093769366 Riverside Emergency Physicians LLP Emergency Medicine Physician · Tappahannock, VA NPI 1306861539 Constance Gilman Nurse Practitioner · Tappahannock, VA NPI 1699792150

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-15.