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Greg Hajcak, PHD
NPI 1891563920 · Clinical Psychologist · Soquel, CA
Greg Hajcak, PHD is a Clinical Psychologist provider in Soquel, CA (NPI 1891563920).
Provider details
- NPI number
- 1891563920
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 34641 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
2901 Park Ave Ste D8
Soquel, CA 95073-2831
Phone: (831) 222-0648
Approximate (ZIP-level) locationGet directions
Mailing address
391 Belle Monti Ave
Aptos, CA 95003-5203
Registry dates
- Enumerated
- 2023-12-18
- Last updated
- 2023-12-18
- Certified
- 2023-12-18
Frequently asked questions
- What is Greg Hajcak's NPI number?
- Greg Hajcak's National Provider Identifier (NPI) is 1891563920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Greg Hajcak's specialty?
- Greg Hajcak is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Greg Hajcak located?
- Greg Hajcak's practice location on file with NPPES is 2901 Park Ave Ste D8, Soquel, CA 95073-2831.
- What is Greg Hajcak's phone number?
- The practice phone number listed in the NPPES registry for Greg Hajcak is (831) 222-0648.
- Is Greg Hajcak's NPI active?
- Yes — Greg Hajcak's NPI (1891563920) is active in the NPPES registry as of the last update on 2023-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.