John Ostlund
NPI 1912423963 · Addiction (Substance Use Disorder) Counselor · Los Angeles, CA
John Ostlund is a Addiction (Substance Use Disorder) Counselor provider in Los Angeles, CA (NPI 1912423963).
Provider details
- NPI number
- 1912423963
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- C8671214 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-21
- Last updated
- 2022-07-21
Frequently asked questions
- What is John Ostlund's NPI number?
- John Ostlund's National Provider Identifier (NPI) is 1912423963, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ostlund's specialty?
- John Ostlund is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Ostlund located?
- John Ostlund's practice location on file with NPPES is 5675 W. Olympic Blvd, Los Angeles, CA 90036.
- What is John Ostlund's phone number?
- The practice phone number listed in the NPPES registry for John Ostlund is (323) 965-1365.
- Is John Ostlund's NPI active?
- Yes — John Ostlund's NPI (1912423963) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.