Nicholas Hack, MA
NPI 1972941342 · Clinical Psychologist · Oakland, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Hack, MA is a Clinical Psychologist provider in Oakland, CA (NPI 1972941342).
Provider details
- NPI number
- 1972941342
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- No
- License
- 27937 (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
- 2013-06-07
- Last updated
- 2021-06-17
- Certified
- 2021-06-17
Frequently asked questions
- What is Nicholas Hack's NPI number?
- Nicholas Hack's National Provider Identifier (NPI) is 1972941342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Hack's specialty?
- Nicholas Hack is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Nicholas Hack located?
- Nicholas Hack's practice location on file with NPPES is 3800 Park Blvd, Oakland, CA 94602-1114.
- What is Nicholas Hack's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Hack is (707) 564-7579.
- Does Nicholas Hack accept Medicare?
- Nicholas Hack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Hack's NPI active?
- Yes — Nicholas Hack's NPI (1972941342) is active in the NPPES registry as of the last update on 2021-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.