OrganizationActive
Jerry Shafer PHD Inc.
NPI 1891723938 · Psychologist · Antioch, CA
Jerry Shafer PHD Inc. is a Psychologist organization in Antioch, CA (NPI 1891723938).
Provider details
- NPI number
- 1891723938
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Jerry Shafer, Psychologist(925) 778-1661
- License
- PSY3395 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
3240 Lone Tree Way
#104
Antioch, CA 94509-5559
Phone: (925) 778-1661
Fax: (925) 778-1661
Street-level locationGet directions
Mailing address
3240 Lone Tree Way
Antioch, CA 94509-5559
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2020-08-22
Frequently asked questions
- What is Jerry Shafer PHD Inc.'s NPI number?
- Jerry Shafer PHD Inc.'s National Provider Identifier (NPI) is 1891723938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jerry Shafer PHD Inc.?
- Jerry Shafer PHD Inc. is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Jerry Shafer PHD Inc. located?
- Jerry Shafer PHD Inc.'s practice location on file with NPPES is 3240 Lone Tree Way, Antioch, CA 94509-5559.
- What is Jerry Shafer PHD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Jerry Shafer PHD Inc. is (925) 778-1661.
- Who is the authorized official for Jerry Shafer PHD Inc.?
- The authorized official listed on Jerry Shafer PHD Inc.'s NPPES record is Jerry Shafer, Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jerry Shafer PHD Inc.'s NPI active?
- Yes — Jerry Shafer PHD Inc.'s NPI (1891723938) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.