Frederick Alpern, PH.D.
NPI 1700974748 · Clinical Psychologist · Oceanside, CA
Enrolled with Medicare as Practitioner - Psychologist Billing Independently · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Frederick Alpern, PH.D. is a Clinical Psychologist provider in Oceanside, CA (NPI 1700974748).
Provider details
- NPI number
- 1700974748
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 15772 (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
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
- 2006-10-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frederick Alpern's NPI number?
- Frederick Alpern's National Provider Identifier (NPI) is 1700974748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Alpern's specialty?
- Frederick Alpern is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Frederick Alpern located?
- Frederick Alpern's practice location on file with NPPES is 2101 S El Camino Real, Oceanside, CA 92054-6227.
- What is Frederick Alpern's phone number?
- The practice phone number listed in the NPPES registry for Frederick Alpern is (760) 850-0967.
- Does Frederick Alpern accept Medicare?
- Frederick Alpern is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Frederick Alpern's NPI active?
- Yes — Frederick Alpern's NPI (1700974748) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.