Ryan Kolakoski, PSYD
Psychologist · Pleasant Hill, CA
Ryan Kolakoski, PSYD is a psychologist with a practice address in Pleasant Hill, California, and NPI 1063589182, issued on Nov 30, 2006. Check the license (California PSY 17992, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan Kolakoski
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- License number
- PSY 17992 CA
Self-reported in NPPES; status is on the state search - Practice location
- 391 Taylor Blvd, Pleasant Hill, CA 94523
- Phone
- (925) 688-8910
- Enumerated
- Nov 30, 2006
- Record last updated
- Jan 3, 2022
- Fax
- (925) 688-2200
- Medicare enrollment
- Enrolled (PECOS I20120824000261); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 7,304 in California → Look up another NPI →
Also registered at 391 Taylor Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan Kolakoski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 17992Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Kolakoski among 7,304 psychologist records in California
Ryan Kolakoski, PSYD is one of 7,304 psychologist records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 82% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 14% of these records are
- Graduated2000 · median 2005 among the 1,058 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 psychologist records list a practice address in Pleasant Hill
They are 16 of the 843 NPPES records with a practice address in Pleasant Hill, and 7,304 psychologist records in California.
All 7,304 in California → Every provider in Pleasant Hill → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Dominique Aguilar, MFTPleasant Hill, CA 945231851459416
- John Aldava, PH.D.Pleasant Hill, CA 945231134271943
- Robert Boyd, PHDPleasant Hill, CA 945231922283795
- Leslie Bryant, PH.D.Pleasant Hill, CA 945231912057779
- Linda Callahan, PSY.D.Pleasant Hill, CA 945231528118999
- David Flakoll, PH.D.Pleasant Hill, CA 945231093849689
- Sheena GloverPleasant Hill, CA 945231366997835
- Josh Gressel, PH.D.Pleasant Hill, CA 945231811969876
Common questions
What is Ryan Kolakoski, PSYD's NPI number?
Ryan Kolakoski, PSYD's National Provider Identifier (NPI) is 1063589182, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Kolakoski, PSYD located?
The NPPES record lists a practice address at 391 Taylor Blvd, Pleasant Hill, CA, 94523. Phone: (925) 688-8910. Providers update this record themselves, so call before visiting.
How can I verify Ryan Kolakoski, PSYD's license?
NPPES lists California license number PSY 17992, 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. Medicare files from data.cms.gov. 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.