John Allen Ostlund
Addiction (Substance Use Disorder) Counselor · Los Angeles, CA
John Allen Ostlund is an addiction (substance use disorder) counselor with a practice address in Los Angeles, California, and NPI 1912423963, issued on Aug 21, 2017. Check the license (California C8671214, 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
- John Allen Ostlund
- Primary taxonomy
- Addiction (Substance Use Disorder) Counselor 101YA0400X
- License number
- C8671214 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5675 W. Olympic Blvd, Los Angeles, CA 90036
- Phone
- (323) 965-1365
- Enumerated
- Aug 21, 2017
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest addiction (substance use disorder) counselor records → All 27,741 in California → Look up another NPI →
Also registered at 5675 W. Olympic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tal StudnitskiAddiction (Substance Use Disorder) Counselor1063939627
Verify John Allen Ostlund in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license C8671214Check 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 Allen Ostlund among 27,741 addiction (substance use disorder) counselor records in California
John Allen Ostlund is one of 27,741 addiction (substance use disorder) counselor records with a practice address in California. under 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 2017, is newer than 41% of them.
- NPI issued2017 · 41% of these records are older, 54% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- 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 101YA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,101 addiction (substance use disorder) counselor records list a practice address in Los Angeles
They are 2,101 of the 69,537 NPPES records with a practice address in Los Angeles, and 27,741 addiction (substance use disorder) counselor records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 27,741 in California → Every provider in Los Angeles → Addiction (Substance Use Disorder) Counselor nationwide →
The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes
- Nina AutajayLos Angeles, CA 900361588171615
- Monica BaekLos Angeles, CA 900361457882359
- David BlaunerLos Angeles, CA 900361336658574
- David CantuLos Angeles, CA 900361093984999
- Robert Friedman, CADC1Los Angeles, CA 900361427576925
- Dolly KintaudiLos Angeles, CA 900361235435322
- Nathan LevinLos Angeles, CA 900361043737638
- Scott LowyLos Angeles, CA 900361417465261
Common questions
What is John Allen Ostlund's NPI number?
John Allen Ostlund's National Provider Identifier (NPI) is 1912423963, issued on Aug 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Allen Ostlund located?
The NPPES record lists a practice address at 5675 W. Olympic Blvd, Los Angeles, CA, 90036. Phone: (323) 965-1365. Providers update this record themselves, so call before visiting.
How can I verify John Allen Ostlund's license?
NPPES lists California license number C8671214, 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.