What is Ralph Armstrong's NPI number?

Ralph Armstrong's National Provider Identifier (NPI) is 1518016443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ralph Armstrong's specialty?

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

Where is Ralph Armstrong located?

Ralph Armstrong's practice location on file with NPPES is 3291 Loma Vista Rd, Ventura, CA 93003-3099.

What is Ralph Armstrong's phone number?

The practice phone number listed in the NPPES registry for Ralph Armstrong is (805) 652-6556.

Is Ralph Armstrong's NPI active?

Yes — Ralph Armstrong's NPI (1518016443) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ralph Armstrong, M.D.

NPI 1518016443 · Psychiatry Physician · Ventura, CA

Ralph Armstrong, M.D. is a Psychiatry Physician provider in Ventura, CA (NPI 1518016443).

Provider details

NPI number: 1518016443
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: A22532 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense A22532 (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

3291 Loma Vista Rd

Ventura, CA 93003-3099

Phone: (805) 652-6556

Fax: (805) 652-6556

Street-level locationGet directions

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Mailing address