Ian Faerstein, PSY.D.
NPI 1811246457 · Clinical Psychologist · Berkeley, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Faerstein, PSY.D. is a Clinical Psychologist provider in Berkeley, CA (NPI 1811246457).
Provider details
- NPI number
- 1811246457
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY28785 (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
13 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
Mailing address
Registry dates
- Enumerated
- 2012-08-29
- Last updated
- 2021-10-30
- Certified
- 2021-10-30
Frequently asked questions
- What is Ian Faerstein's NPI number?
- Ian Faerstein's National Provider Identifier (NPI) is 1811246457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Faerstein's specialty?
- Ian Faerstein is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Ian Faerstein located?
- Ian Faerstein's practice location on file with NPPES is 2428 Dwight Way, Berkeley, CA 94704-3503.
- What is Ian Faerstein's phone number?
- The practice phone number listed in the NPPES registry for Ian Faerstein is (510) 296-3090.
- Does Ian Faerstein accept Medicare?
- Ian Faerstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Faerstein's NPI active?
- Yes — Ian Faerstein's NPI (1811246457) is active in the NPPES registry as of the last update on 2021-10-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.