Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Richard Alan Portillo, O.D.

Optometrist in Modesto, CA · enumerated 2007 · practices at Richard A Portillo O D A Professional Optometric Corporation.

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

National Provider Identifier

1255450524

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Registry record

Entity type Individual (Type 1)

Name Dr. Richard Alan Portillo

Credential O.D.

Sex Male

Practice address Modesto, CA, 95354

Phone (209) 578-4885

Fax (209) 578-4891

Enumeration date Mar 28, 2007

Last updated in NPPES Mar 30, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPT 7865 TPL (CA) Primary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

Other identifiers

Identifier	Type	State	Issuer
770408813	Other	CA	TAX ID #

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 specialty is Richard Portillo?

Richard Portillo is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Richard A Portillo O D A Professional Optometric Corporation Point of Service · Modesto, CA NPI 1285963769

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-03-30.