What is Robert Okin's NPI number?

Robert Okin's National Provider Identifier (NPI) is 1891863809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robert Okin's specialty?

Robert Okin is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).

Where is Robert Okin located?

Robert Okin's practice location on file with NPPES is 2111 1st Ave, Napa, CA 94558-3828.

What is Robert Okin's phone number?

The practice phone number listed in the NPPES registry for Robert Okin is (415) 722-2417.

Is Robert Okin's NPI active?

Yes — Robert Okin's NPI (1891863809) is active in the NPPES registry as of the last update on 2025-08-12.

IndividualActive

Robert Okin, MD

NPI 1891863809 · Psychiatry Physician · Napa, CA

Robert Okin, MD is a Psychiatry Physician provider in Napa, CA (NPI 1891863809).

Provider details

NPI number: 1891863809
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: G70108 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense G70108 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2111 1st Ave

Napa, CA 94558-3828

Phone: (415) 722-2417

Street-level locationGet directions

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Mailing address