Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John David McClanahan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1578586376

Dr. John David McClanahan, MD is an Obstetrics/Gynecology in Fort Smith, Arkansas. Graduated from University of Arkansas College of Medicine in 1984, 42 years ago. Practices with Mercy Clinic Fort Smith Communities, a 350-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
42
Trained at
University of Arkansas College of Medicine
Licensed in
AR
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3224 S 70th St
Fort Smith, AR 72903-5050
Phone: (479) 785-2229
Fax: (479) 478-6745
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence C-6638 (AR)

Record details

NPI number1578586376
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 25, 2006
Last updated in NPPESNovember 29, 2011
Mailing addressPo Box 10930, Fort Smith, AR 72917-0930

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Mercy Clinic Fort Smith Communities — 350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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