Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gary Toshiyuki Tanouye, M.D.

Q: What is the NPI number for Gary Tanouye?

The National Provider Identifier (NPI) for Gary Tanouye is 1326043738, a Type 1 (individual) record in the CMS NPPES registry.

Internal Medicine Physician in Tarzana, CA · enumerated 2005.

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

National Provider Identifier

1326043738

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Registry record

Entity type Individual (Type 1)

Name Dr. Gary Toshiyuki Tanouye

Credential M.D.

Sex Male

Practice address 18370 Burbank Blvd, Ste 601, Tarzana, CA, 91356

Phone (818) 996-5700

Fax (818) 996-1649

Enumeration date Jun 14, 2005

Last updated in NPPES Nov 17, 2009

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License G50249 (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
YYY40048Y	Other	CA	BLUE SHIELD OF CALIFORNIA
YYY40048Y	Medicaid	CA	-
95-3132732	Other	CA	BLUE CROSS OF CALIFORNIA
WG50249D	Other	CA	MEDICARE RENDERING NUMBER
110061982	Other	CA	RAILROAD RENDERING NUMBER
T0796	Other	CA	RAILROAD GROUP NUMBER

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 Gary Tanouye?

The National Provider Identifier (NPI) for Gary Tanouye is 1326043738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gary Tanouye practice?

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

Other providers at this practice address

Browse all →

Ardeshir Soroushyari Endocrinology, Diabetes & Metabolism Physician · Tarzana, CA NPI 1487658811 Jeffrey Salberg Internal Medicine Physician · Tarzana, CA NPI 1023013349 Tarzana Endocrine & Medical Group Internal Medicine Physician · Tarzana, CA NPI 1205831583 David Abrams Internal Medicine Physician · Tarzana, CA NPI 1881690865 Douglas Morrow Surgery Physician · Tarzana, CA NPI 1790778959 Nicholas Panagiotis Specialist · Tarzana, CA NPI 1255313458 Marc Ehrich Cardiovascular Disease Physician · Tarzana, CA NPI 1366429680 Benjamin Simon Cardiovascular Disease Physician · Tarzana, CA NPI 1679550909

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-11-17.