Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher W Gist, MD

Urology Physician in Tucson, AZ · enumerated 2005.

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

National Provider Identifier

1881685584

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher W Gist

Credential MD

Sex Male

Practice address 1100 N El Dorado Pl, Tucson, AZ, 85715

Phone (520) 348-7900

Fax (520) 244-1209

Enumeration date Nov 2, 2005

Last updated in NPPES Feb 3, 2021

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 61478 (AZ) Primary

208800000X Urology Physician Allopathic & Osteopathic Physicians · License MD450397 (PA) Secondary

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
071698	Medicaid	AZ	-

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 specialty is Christopher Gist?

Christopher Gist is registered in NPPES with the primary taxonomy of Urology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-03.