Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Christian Cosca Cruz, MD

Nephrology Physician in Daly City, CA · enumerated 2006.

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

National Provider Identifier

1023182227

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Registry record

Entity type Individual (Type 1)

Name Dr. Christian Cosca Cruz

Credential MD

Sex Male

Practice address Daly City, CA, 94015

Phone (650) 755-4490

Fax (650) 755-2920

Enumeration date Nov 20, 2006

Last updated in NPPES Aug 26, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License A96754 (CA) 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
1316099658	Other	CA	GROUP NPI
1336117829	Other	CA	WEST BAY NEPHROLOGY ASSOCIATES'S NPI
ZZZ27071Z	Other	CA	GROUP CA MEDICARE
ZZZ86010Z	Other	CA	WEST BAY NEPHROLOGY ASSOCIATES'S TAX ID
1023182227	Medicaid	CA	-
ZZZ04539Z	Other	CA	MEDICARE GROUP

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.

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Frequently asked questions

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.

What specialty is Christian Cruz?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-26.