John Leonard Popek
Mental Health Counselor · Hollister, CA
John Leonard Popek is a mental health counselor with a practice address in Hollister, California, and NPI 1447767736, issued on Jan 8, 2018. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Leonard Popek
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 1850 San Benito St, Hollister, CA 95023
- Phone
- (831) 636-2121
- Enumerated
- Jan 8, 2018
- Record last updated
- Jan 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 28,617 in California → Look up another NPI →
Also registered at 1850 San Benito St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monserrat AlmanzaCommunity Health Worker1629428404
- Norma AmaroCommunity Health Worker1689021081
- Vanessa ArroyoMental Health Counselor1053779082
- Sara BarabyCommunity Health Worker1508216060
- Krista BrehenyMental Health Counselor1366890451
- Imelda CejaCommunity Health Worker1598115198
Verify John Leonard Popek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Leonard Popek among 28,617 mental health counselor records in California
John Leonard Popek is one of 28,617 mental health counselor records with a practice address in California. 1% 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 2018, is newer than 63% of them.
- NPI issued2018 · 63% of these records are older, 31% newer
- In a Medicare fileNo · 1% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2018 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 mental health counselor records list a practice address in Hollister
They are 17 of the 561 NPPES records with a practice address in Hollister, and 28,617 mental health counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 28,617 in California → Every provider in Hollister → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Vanessa ArroyoHollister, CA 950231053779082
- Krista BrehenyHollister, CA 950231366890451
- Blanca Cine GarciaHollister, CA 950231720565211
- Monica Devries, MFTIHollister, CA 950231639385826
- Venessa Leyva, AMFT, APCCHollister, CA 950231043756430
- Anita Mora, BAHollister, CA 950231013430388
- Ronald Ober, LCSWHollister, CA 950231750319471
- Angel RochaHollister, CA 950231053979062
Common questions
What is John Leonard Popek's NPI number?
John Leonard Popek's National Provider Identifier (NPI) is 1447767736, issued on Jan 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Leonard Popek located?
The NPPES record lists a practice address at 1850 San Benito St, Hollister, CA, 95023. Phone: (831) 636-2121. Providers update this record themselves, so call before visiting.
How can I verify John Leonard Popek's license?
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.