Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Jonathan B. Blitzer, MD

Hematology & Oncology Physician in Long Beach, CA · enumerated 2006.

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

National Provider Identifier

1912967324

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Registry record

Entity type Individual (Type 1)

Name Mr. Jonathan B. Blitzer

Credential MD

Sex Male

Practice address 2810 Long Beach Blvd, Long Beach, CA, 90806

Phone (562) 933-1877

Fax (562) 933-1886

Enumeration date Mar 28, 2006

Last updated in NPPES Jan 3, 2018

Taxonomy & licenses

174400000X Specialist Other Service Providers · License G062021 (CA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License G062021 (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
GR0029650	Medicaid	CA	-

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 Blitzer?

The National Provider Identifier (NPI) for Jonathan Blitzer is 1912967324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jonathan Blitzer practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-03.