John David McClanahan, MD
Obstetrics & Gynecology Physician · Fort Smith, AR
John David McClanahan, MD is an obstetrics & gynecology physician with a practice address in Fort Smith, Arkansas, and NPI 1578586376, issued on Jul 25, 2006. Check the license (Arkansas C-6638, as entered in NPPES) on the Arkansas State Medical Board; the Medicare figures below come from public CMS files.
- Name
- John David McClanahan
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- C-6638 AR
Self-reported in NPPES; status is on the state search - Practice location
- 3224 S 70TH St, Fort Smith, AR 72903
- Phone
- (479) 785-2229
- Enumerated
- Jul 25, 2006
- Record last updated
- Nov 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (479) 478-6745
- Medicaid ID
- 114667001 AR
- Medicare enrollment
- Enrolled (PECOS I20070907000453); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 278 in Arkansas → Look up another NPI →
Also registered at 3224 S 70TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raja Damayanthi MuraliPediatrics Physician1730702515
- Kristal Newlin, MSN, APRN, CPNP-PCPediatric Nurse Practitioner1639831274
- Don Phillips, MDObstetrics & Gynecology Physician1588686943
- Andrew Riche, M.D.Obstetrics & Gynecology Physician1205878113
- Cheryl Speake, D.O.Pediatrics Physician1295051167
Verify John David McClanahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArkansas State Medical Board
Search for license C-6638Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.3 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024
539 Medicare Part D claims for 107 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Estradiol234 claims
- Medroxyprogesterone Acetate60 claims
- Raloxifene Hcl39 claims
- Myrbetriq33 claims
- Veozah20 claims
- Levothyroxine Sodium18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $183.87
10 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic Fort Smith CommunitiesFort Smith, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John David McClanahan among 278 obstetrics & gynecology physician records in Arkansas
John David McClanahan, MD is one of 278 obstetrics & gynecology physician records with a practice address in Arkansas. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 49% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1984 · median 2005 among the 194 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Arkansas
There are 278 obstetrics & gynecology physician records in Arkansas.
All 278 in Arkansas → Every provider in Fort Smith → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Timothy Bell, D.O.Fort Smith, AR 729031740224831
- David Glover, M.D.Fort Smith, AR 729031760484117
- Stuart Haraway, M.D.Fort Smith, AR 729031073570156
- Casey Laws, D.O.Fort Smith, AR 729031568406650
- Venus Nabors, M.D.Fort Smith, AR 729031083806210
- Larry Pearce, M.D.Fort Smith, AR 729031861455180
- Don Phillips, MDFort Smith, AR 729031588686943
- Melissa Rainwater, M.D.Fort Smith, AR 729031073557005
Common questions
What is John David McClanahan, MD's NPI number?
John David McClanahan, MD's National Provider Identifier (NPI) is 1578586376, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John David McClanahan, MD located?
The NPPES record lists a practice address at 3224 S 70TH St, Fort Smith, AR, 72903. Phone: (479) 785-2229. Providers update this record themselves, so call before visiting.
How can I verify John David McClanahan, MD's license?
NPPES lists Arkansas license number C-6638, as entered by the provider. Search the Arkansas State Medical Board at https://armedicalboard.adh.arkansas.gov/public/verify/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John David McClanahan, MD prescribe under Medicare Part D?
In 2024, John David McClanahan, MD had 539 Medicare Part D claims for 107 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.