Ross Lisman, PHD
NPI 1104375419 · Clinical Psychologist · San Dimas, CA
Ross Lisman, PHD is a Clinical Psychologist provider in San Dimas, CA (NPI 1104375419).
Provider details
- NPI number
- 1104375419
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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)
- 180 N Oakland AvePasadena, CA 91101-1714Phone: (626) 584-5555
Registry dates
- Enumerated
- 2016-09-27
- Last updated
- 2022-12-21
- Certified
- 2022-12-21
Frequently asked questions
- What is Ross Lisman's NPI number?
- Ross Lisman's National Provider Identifier (NPI) is 1104375419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Lisman's specialty?
- Ross Lisman is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ross Lisman located?
- Ross Lisman's practice location on file with NPPES is 304 Beechwood Ln, San Dimas, CA 91773-3605.
- What is Ross Lisman's phone number?
- The practice phone number listed in the NPPES registry for Ross Lisman is (614) 205-8454.
- Is Ross Lisman's NPI active?
- Yes — Ross Lisman's NPI (1104375419) is active in the NPPES registry as of the last update on 2022-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.