Arthur Marsh, PHD, LP
NPI 1811928179 · Psychologist · San Diego, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arthur Marsh, PHD, LP is a Psychologist provider in San Diego, CA (NPI 1811928179).
Provider details
- NPI number
- 1811928179
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, LP
- Sex
- Male
- Sole proprietor
- No
- License
- 12986 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
2 documented practice locations
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
Mailing address
Additional practice locations (1)
- 5030 Camino De La SiestaSuite 104San Diego, CA 92108-3116Phone: (858) 279-1223Fax: (619) 293-3365
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2025-07-14
- Certified
- 2025-07-14
Frequently asked questions
- What is Arthur Marsh's NPI number?
- Arthur Marsh's National Provider Identifier (NPI) is 1811928179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Marsh's specialty?
- Arthur Marsh is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Arthur Marsh located?
- Arthur Marsh's practice location on file with NPPES is 6386 Alvarado Ct Ste 210, San Diego, CA 92120-4907.
- What is Arthur Marsh's phone number?
- The practice phone number listed in the NPPES registry for Arthur Marsh is (858) 279-1223.
- Does Arthur Marsh accept Medicare?
- Arthur Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arthur Marsh's NPI active?
- Yes — Arthur Marsh's NPI (1811928179) is active in the NPPES registry as of the last update on 2025-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.