Nicholas Don Hack, MA
Clinical Psychologist · Oakland, CA
Nicholas Don Hack, MA is a clinical psychologist with a practice address in Oakland, California, and NPI 1972941342, issued on Jun 7, 2013. Check the license (California 27937, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nicholas Don Hack
- Credential
- MA
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 27937 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Park Blvd, Oakland, CA 94602
- Phone
- (707) 564-7579
- Enumerated
- Jun 7, 2013
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190508001953); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Verify Nicholas Don Hack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 27937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nicholas Don Hack among 12,647 clinical psychologist records in California
Nicholas Don Hack, MA is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2013, is newer than 67% of them.
- NPI issued2013 · 67% of these records are older, 29% newer
- In a Medicare fileNo · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2013 · median 2006 among the 2,424 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
354 clinical psychologist records list a practice address in Oakland
They are 354 of the 18,558 NPPES records with a practice address in Oakland, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 12,647 in California → Every provider in Oakland → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Susan Bergmann, PH.D.Oakland, CA 946021467406355
- Anna Blanken, PHDOakland, CA 946021093422479
- Veronica Correa Perin, PH.D.Oakland, CA 946021386958049
- Lesleigh Franklin, PH.D.Oakland, CA 946021962548818
- Iran GarciaOakland, CA 946021326355546
- John Gibbins, PHDOakland, CA 946021194744797
- Ahmed Jibril, PSYD.Oakland, CA 946021487857348
- Terry Meyers, PHDOakland, CA 946021376562983
Common questions
What is Nicholas Don Hack, MA's NPI number?
Nicholas Don Hack, MA's National Provider Identifier (NPI) is 1972941342, issued on Jun 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Don Hack, MA located?
The NPPES record lists a practice address at 3800 Park Blvd, Oakland, CA, 94602. Phone: (707) 564-7579. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Don Hack, MA's license?
NPPES lists California license number 27937, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.