Mark James, M.D.
NPI 1649383662 · General Practice Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark James, M.D. is a General Practice Physician provider in Oklahoma City, OK (NPI 1649383662).
Provider details
- NPI number
- 1649383662
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 16937 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-16
- Last updated
- 2023-03-07
Frequently asked questions
- What is Mark James's NPI number?
- Mark James's National Provider Identifier (NPI) is 1649383662, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark James's specialty?
- Mark James is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mark James located?
- Mark James's practice location on file with NPPES is 4913 W Reno Ave, Oklahoma City, OK 73127-6339.
- What is Mark James's phone number?
- The practice phone number listed in the NPPES registry for Mark James is (405) 948-4900.
- Does Mark James accept Medicare?
- Mark James is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark James's NPI active?
- Yes — Mark James's NPI (1649383662) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.