What is David Ryan's NPI number?

David Ryan's National Provider Identifier (NPI) is 1689728198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Ryan's specialty?

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

Where is David Ryan located?

David Ryan's practice location on file with NPPES is 10333 El Camino Real, Atascadero, CA 93422-5808.

What is David Ryan's phone number?

The practice phone number listed in the NPPES registry for David Ryan is (805) 468-2188.

Is David Ryan's NPI active?

Yes — David Ryan's NPI (1689728198) is active in the NPPES registry as of the last update on 2020-03-02.

IndividualActive

David Ryan, M.D.

NPI 1689728198 · Psychiatry Physician · Atascadero, CA

David Ryan, M.D. is a Psychiatry Physician provider in Atascadero, CA (NPI 1689728198).

Provider details

NPI number: 1689728198
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: G84327 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense G84327 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 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

10333 El Camino Real

Atascadero, CA 93422-5808

Phone: (805) 468-2188

Street-level locationGet directions

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Mailing address