Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Dionisio Dabu, M.D.

Family Medicine Physician in Long Beach, CA · enumerated 2006.

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

National Provider Identifier

1538272885

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Registry record

Entity type Individual (Type 1)

Name Dr. Dionisio Dabu

Credential M.D.

Sex Male

Practice address 2220 Clark Ave, Long Beach, CA, 90815

Phone (562) 597-4181

Fax (562) 597-7083

Enumeration date Aug 17, 2006

Last updated in NPPES Jul 15, 2016

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A53647 (CA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 53647 (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
00A536470	Medicaid	CA	-
080179422	Other	CA	RAILROAD MEDICARE
00A536470	Other	CA	BLUE SHIELD

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

Where does Dionisio Dabu practice?

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

What is the NPI number for Dionisio Dabu?

The National Provider Identifier (NPI) for Dionisio Dabu is 1538272885, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-15.