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

Stanley W. Rubin, M.D.

Hematology & Oncology Physician in La Mirada, CA · enumerated 2006.

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

National Provider Identifier

1861433450

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Registry record

Entity type Individual (Type 1)

Name Stanley W. Rubin

Credential M.D.

Sex Male

Practice address La Mirada, CA, 90638

Phone (563) 943-7219

Fax (562) 943-2684

Enumeration date Jun 8, 2006

Last updated in NPPES May 16, 2009

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

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License G28516 (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
0G285160	Other	-	BLUE SHIELD ID #
110060909	Other	-	RAILROAD
110060909	Other	CA	RAILROAD MEDICARE
014609	Other	-	HEALTH NET ID #

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 Stanley Rubin?

The National Provider Identifier (NPI) for Stanley Rubin is 1861433450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Stanley Rubin practice?

The practice location on file with NPPES is in La Mirada, 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 2009-05-16.