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Jonathan Tam, MD

Allergy Physician in Los Angeles, CA · enumerated 2008.

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

National Provider Identifier

1619133600

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Registry record

Entity type Individual (Type 1)
Name Jonathan Tam
Credential MD
Sex Male
Practice address 4650 W Sunset Blvd, Ms#75, Los Angeles, CA, 90027
Phone (323) 361-2501
Fax (323) 361-1191
Enumeration date Jul 30, 2008
Last updated in NPPES Jun 17, 2015

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 125-052818 (IL) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 54495 (WI) Secondary
207KA0200X Allergy Physician Allopathic & Osteopathic Physicians · License A125923 (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
125-052818 Other IL ILLINOIS LICENSE

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

What is the NPI number for Jonathan Tam?
The National Provider Identifier (NPI) for Jonathan Tam is 1619133600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jonathan Tam practice?
The practice location on file with NPPES is in Los Angeles, 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 2015-06-17.