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William Littlejohn, BHRS
NPI 1952645798 · Behavior Analyst · Oklahoma City, OK
William Littlejohn, BHRS is a Behavior Analyst provider in Oklahoma City, OK (NPI 1952645798).
Provider details
- NPI number
- 1952645798
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BHRS
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% 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
1019 Clover Ln
Oklahoma City, OK 73131-2402
Phone: (405) 478-5990
Street-level locationGet directions
Mailing address
1019 Clover Ln
Oklahoma City, OK 73131-2402
Registry dates
- Enumerated
- 2012-11-17
- Last updated
- 2012-11-17
Frequently asked questions
- What is William Littlejohn's NPI number?
- William Littlejohn's National Provider Identifier (NPI) is 1952645798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Littlejohn's specialty?
- William Littlejohn is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is William Littlejohn located?
- William Littlejohn's practice location on file with NPPES is 1019 Clover Ln, Oklahoma City, OK 73131-2402.
- What is William Littlejohn's phone number?
- The practice phone number listed in the NPPES registry for William Littlejohn is (405) 478-5990.
- Is William Littlejohn's NPI active?
- Yes — William Littlejohn's NPI (1952645798) is active in the NPPES registry as of the last update on 2012-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.