Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. David Whitfield Brock, D.O.

Hospitalist Physician in Reno, NV · enumerated 2007.

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

National Provider Identifier

1568589752

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Registry record

Entity type Individual (Type 1)

Name Dr. David Whitfield Brock

Credential D.O.

Sex Male

Practice address 1155 Mill St, Reno, NV, 89502

Phone (775) 982-7878

Fax (775) 982-4196

Enumeration date Mar 23, 2007

Last updated in NPPES Sep 7, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 1347 (NV) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 1347 (NV) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
11726011	Other	-	CAQH
1568589752	Medicaid	NV	-

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 David Brock?

David Brock is registered in NPPES with the primary taxonomy of Hospitalist 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 2018-09-07.