What is Walker Magrath's NPI number?

Walker Magrath's National Provider Identifier (NPI) is 1548920556, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Walker Magrath's specialty?

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

Where is Walker Magrath located?

Walker Magrath's practice location on file with NPPES is 200 W Arbor Dr # Mc8218, San Diego, CA 92103-1911.

What is Walker Magrath's phone number?

The practice phone number listed in the NPPES registry for Walker Magrath is (619) 471-0286.

Is Walker Magrath's NPI active?

Yes — Walker Magrath's NPI (1548920556) is active in the NPPES registry as of the last update on 2026-04-06.

IndividualActive

Walker Magrath, MD

NPI 1548920556 · Psychiatry Physician · San Diego, CA

Walker Magrath, MD is a Psychiatry Physician provider in San Diego, CA (NPI 1548920556).

Provider details

NPI number: 1548920556
Entity type: Individual
Primary specialty: Psychiatry PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: A203485 (CA)

Specialties & taxonomies

Psychiatry PhysicianPrimary2084P0800XLicense A203485 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 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

200 W Arbor Dr # Mc8218

San Diego, CA 92103-1911

Phone: (619) 471-0286

Street-level locationGet directions

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Mailing address