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

Dr. Gustin Ming Sun Ho, M.D.

Q: What is the NPI number for Gustin Ho?

The National Provider Identifier (NPI) for Gustin Ho is 1437189966, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in San Francisco, CA · enumerated 2006.

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

National Provider Identifier

1437189966

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Registry record

Entity type Individual (Type 1)

Name Dr. Gustin Ming Sun Ho

Credential M.D.

Sex Male

Practice address San Francisco, CA, 94108

Phone (415) 982-4100

Fax (415) 982-6900

Enumeration date Jul 3, 2006

Last updated in NPPES Oct 15, 2020

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

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A49169 (CA) Primary

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License A49169 (CA) 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
00A491690	Other	-	PTAN

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 Gustin Ho?

The National Provider Identifier (NPI) for Gustin Ho is 1437189966, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gustin Ho practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-15.