Tristan James Cook
Professional Counselor · Oakland, CA
Tristan James Cook is a professional counselor with a practice address in Oakland, California, and NPI 1851773519, issued on Jun 18, 2015. Check the license (California 9658, 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
- Tristan James Cook
- Primary taxonomy
- Professional Counselor 101YP2500X
- License number
- 9658 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Coolidge Ave, Oakland, CA 94602
- Phone
- (510) 482-2244
- Enumerated
- Jun 18, 2015
- Record last updated
- Mar 19, 2026
- Entity
- Type 1 · individual
8 nearest professional counselor records → All 3,965 in California → Look up another NPI →
Also registered at 3800 Coolidge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Liana AfraStudent in an Organized Health Care Education/Training Program1871255265
- Mercedes Aguirre-SullivanClinical Social Worker1649675372
- Shenay AitchesonSocial Worker1588098297
Verify Tristan James Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Tristan James Cook among 3,965 professional counselor records in California
Tristan James Cook is one of 3,965 professional counselor records with a practice address in California. 4% 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 2015, is newer than 22% of them.
- NPI issued2015 · 22% of these records are older, 75% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2026 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Professional Counselor providers in California
There are 3,965 professional counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,965 in California → Every provider in Oakland → Professional Counselor nationwide →
The 8 professional counselor records with the nearest ZIP codes
- Vanessa AllenOakland, CA 946011144807595
- Yesenia Araiza, APCCOakland, CA 946011669342325
- Morgan Bakowsky, APCCOakland, CA 946011114619509
- Chia-Yun Chiang, PH.D., M.EDOakland, CA 946011336768258
- Hilary Davis, MSOakland, CA 946011497056907
- Rachel Eelkema KaganOakland, CA 946011083342406
- Natalie Guggenheimer, APCCOakland, CA 946011134836513
- Oriana IdesOakland, CA 946011366910143
Common questions
What is Tristan James Cook's NPI number?
Tristan James Cook's National Provider Identifier (NPI) is 1851773519, issued on Jun 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tristan James Cook located?
The NPPES record lists a practice address at 3800 Coolidge Ave, Oakland, CA, 94602. Phone: (510) 482-2244. Providers update this record themselves, so call before visiting.
How can I verify Tristan James Cook's license?
NPPES lists California license number 9658, 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.