Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Deanna Delphina Yamamoto, NP

Nurse Practitioner in San Jose, CA · enumerated 2006.

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

National Provider Identifier

1528154150

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Deanna Delphina Yamamoto

Credential NP

Sex Female

Practice address 750 S Bascom Ave, Vhc Bascom Rheumatology Clinic, San Jose, CA, 95128

Phone (408) 885-5973

Enumeration date Oct 4, 2006

Last updated in NPPES Sep 12, 2007

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN385025 (CA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier	Type	State	Issuer
RN385025	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Deanna Yamamoto?

The National Provider Identifier (NPI) for Deanna Yamamoto is 1528154150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deanna Yamamoto practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-09-12.