Markias Littlejohn
NPI 1164835393 · Clinical Social Worker · Oklahoma City, OK
Markias Littlejohn is a Clinical Social Worker provider in Oklahoma City, OK (NPI 1164835393).
Provider details
- NPI number
- 1164835393
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
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
12 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
Mailing address
Registry dates
- Enumerated
- 2014-06-05
- Last updated
- 2014-06-05
Frequently asked questions
- What is Markias Littlejohn's NPI number?
- Markias Littlejohn's National Provider Identifier (NPI) is 1164835393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Markias Littlejohn's specialty?
- Markias Littlejohn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Markias Littlejohn located?
- Markias Littlejohn's practice location on file with NPPES is 900 Nw 10th St, Oklahoma City, OK 73106-7220.
- What is Markias Littlejohn's phone number?
- The practice phone number listed in the NPPES registry for Markias Littlejohn is (405) 528-4673.
- Is Markias Littlejohn's NPI active?
- Yes — Markias Littlejohn's NPI (1164835393) is active in the NPPES registry as of the last update on 2014-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.