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Mark Diehl, MD
NPI 1467410357 · Family Medicine Physician · Oklahoma City, OK
Mark Diehl, MD is a Family Medicine Physician provider in Oklahoma City, OK (NPI 1467410357).
Provider details
- NPI number
- 1467410357
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 12883 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
4221 S Western Ave
Suite 3030
Oklahoma City, OK 73109-3447
Phone: (405) 636-7650
Fax: (405) 636-7743
Street-level locationGet directions
Mailing address
5300 N Independence Ave
Oklahoma City, OK 73112-5556
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2017-07-19
Frequently asked questions
- What is Mark Diehl's NPI number?
- Mark Diehl's National Provider Identifier (NPI) is 1467410357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Diehl's specialty?
- Mark Diehl is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Diehl located?
- Mark Diehl's practice location on file with NPPES is 4221 S Western Ave, Oklahoma City, OK 73109-3447.
- What is Mark Diehl's phone number?
- The practice phone number listed in the NPPES registry for Mark Diehl is (405) 636-7650.
- Is Mark Diehl's NPI active?
- Yes — Mark Diehl's NPI (1467410357) is active in the NPPES registry as of the last update on 2017-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.