Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ananias Diokno

Urology Physician in Royal Oak, MI · enumerated 2006.

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

National Provider Identifier

1609835537

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Registry record

Entity type Individual (Type 1)

Name Ananias Diokno

Sex Male

Practice address 3535 W 13 Mile Rd, Ste. 407, Royal Oak, MI, 48073

Phone (248) 551-0640

Enumeration date Mar 20, 2006

Last updated in NPPES Sep 10, 2007

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License 4301032411 (MI) Primary

Other identifiers

Identifier	Type	State	Issuer
1943235	Medicaid	MI	-

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 Ananias Diokno practice?

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

What is the NPI number for Ananias Diokno?

The National Provider Identifier (NPI) for Ananias Diokno is 1609835537, 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 2007-09-10.