Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephanie S Yao, MD

Internal Medicine Physician in Rancho Mirage, CA · enumerated 2005 · practices at Eisenhower Medical Center.

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

National Provider Identifier

1598758690

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Registry record

Entity type Individual (Type 1)

Name Stephanie S Yao

Credential MD

Sex Female

Practice address 72780 Country Club Dr Ste 205, Rancho Mirage, CA, 92270

Phone (760) 834-7900

Fax (760) 834-7901

Enumeration date Aug 24, 2005

Last updated in NPPES May 24, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License C52376 (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
036095200	Medicaid	IL	-

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 Stephanie Yao?

The National Provider Identifier (NPI) for Stephanie Yao is 1598758690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stephanie Yao practice?

The practice location on file with NPPES is in Rancho Mirage, 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 2024-05-24.