Dr. John David McClanahan, MD
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 70
- Part D claims, 2024
- 539
- Hospital affiliations
- 2
- Industry payments
- $2,925
- Practice address
- 2901 S 74th St, Fort Smith, AR 72903
- Practice phone
- Call (479) 314-1101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Clinic Fort Smith Communities
Fort Smith, Arkansas
Find Dr. McClanahan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John David McClanahan is an OB-GYN in Fort Smith, Arkansas
Dr. McClanahan practices at Mercy Clinic Fort Smith Communities in Fort Smith, Arkansas.
Dr. McClanahan's NPI, 1578586376, was assigned on July 25, 2006. Dr. McClanahan graduated from University of Arkansas College of Medicine in 1984. Dr. McClanahan holds Arkansas license C-6638.
- NPI
- 1578586376NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567564271
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (479) 314-1101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John David McClanahan practices at Mercy Clinic Fort Smith Communities in Fort Smith, Arkansas
Dr. McClanahan's primary practice is Mercy Clinic Fort Smith Communities, at 2901 S 74th St, Fort Smith, AR 72903 in Sebastian County. The practice phone is (479) 314-1101.
- Mercy Clinic Fort Smith Communities2901 S 74th St, Fort Smith, AR 72903 · Sebastian CountyPhone(479) 314-1101
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John David McClanahan is affiliated with 5 sites of care and 2 medical groups
Dr. McClanahan's primary practice is Mercy Clinic Fort Smith Communities in Fort Smith, Arkansas. Dr. McClanahan is also affiliated with Mercy Hospital Fort Smith. The medical group on file is Mercy Clinic Fort Smith Communities. Dmand AI also links Dr. McClanahan to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John David McClanahan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McClanahan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Clinic Fort Smith Communities | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John David McClanahan is one of 229 OB-GYNs in Arkansas
Obstetrics and gynecology is Dr. McClanahan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. McClanahan is licensed in Arkansas.
Specialties and state licenses
- Obstetrics and gynecology, ArkansasPrimary
OB-GYNs near Dr. McClanahan
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John David McClanahan billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Dr. McClanahan across 4 procedure codes in 2024, for 70 Medicare patients. Medicare paid $2,962 for them. Every service was in an office.
Dr. McClanahan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 352024: 5969%
- Office and hospital visits
- 2023: 02024: 33
Dr. McClanahan compared with the Arkansas median for OB-GYNs, 2024
- Dr. McClanahan
- Arkansas median
- Medicare services
- 92vs 6151% above
- Medicare patients
- 70vs 5625% above
- Part D claims
- 432vs 765.7 times
Medians across 225 OB-GYNs in Arkansas with Dmand AI profiles that report each measure.
Dr. McClanahan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McClanahan and other OB-GYNs in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John David McClanahan treated 70 Medicare patients in 2024, average age 72
CMS counts 70 Medicare patients who saw Dr. McClanahan in 2024. The largest group is 65 to 74, with 35 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. McClanahan's median patient age at 48, with 100% women.
Dr. McClanahan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. McClanahan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis43%
- Mood disorders29%
- Anxiety27%
- Depression27%
- Osteoporosis26%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. McClanahan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John David McClanahan wrote 539 Medicare Part D claims in 2024
In 2024, Dr. McClanahan wrote 539 Medicare Part D claims for 107 patients. 80% of them were for generic drugs. CMS names the drug for 432 of them, across 8 drugs with 11 or more claims each, at $30,681 in total drug cost. In 2023, CMS named 614 claims across 13 drugs.
Dr. McClanahan's Part D claims by kind of drug, 2024
- Generic432 claims80%
- Brand-name107 claims20%
Dr. McClanahan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6142024: 43230%
Drugs named by CMS: 8 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John David McClanahan takes part in Medicare
Dr. McClanahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John David McClanahan received $2,925 in industry payments from 2016 to 2025
CMS Open Payments shows 172 general payments to Dr. McClanahan from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Pfizer Inc. paid the most, $414.
General payments to Dr. McClanahan by program year, 2016 to 2025
General payments to Dr. McClanahan by kind, 2016 to 2025
- Food and beverage$2,87998%
- Education$452%
Companies that paid Dr. McClanahan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John David McClanahan graduated from University of Arkansas College of Medicine
Dr. McClanahan graduated from University of Arkansas College of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John David McClanahan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John David McClanahan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John David McClanahan's NPI number?
Dr. John David McClanahan's NPI number is 1578586376. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John David McClanahan?
Dr. John David McClanahan is an OB-GYN in Fort Smith, Arkansas. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. John David McClanahan practice?
Dr. McClanahan practices at 2901 S 74th St, Fort Smith, AR 72903. Dr. McClanahan's primary practice is Mercy Clinic Fort Smith Communities in Fort Smith, Arkansas. Dmand AI also links Dr. McClanahan to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. John David McClanahan's office phone number?
The practice phone on file for Dr. McClanahan is (479) 314-1101.
What is Dr. John David McClanahan's medical license number?
Dr. McClanahan holds Arkansas license C-6638.
Which hospitals is Dr. John David McClanahan affiliated with?
Dr. McClanahan is affiliated with Mercy Hospital Fort Smith. Dmand AI links Dr. McClanahan to 1 more hospital.
What medical group is Dr. John David McClanahan part of?
Dr. McClanahan is linked to Mercy Clinic Fort Smith Communities. Dmand AI links Dr. McClanahan to 1 more medical group.
Does Dr. John David McClanahan accept Medicare?
Yes. CMS data shows Dr. McClanahan billed Medicare for 92 services in 2024, and Dr. McClanahan accepts Medicare assignment.
How many Medicare patients does Dr. John David McClanahan see?
CMS counts 70 Medicare patients who saw Dr. McClanahan in 2024, with an average age of 72.
What services does Dr. John David McClanahan bill to Medicare?
In 2024, Dr. McClanahan's most billed Medicare services were medicare service (G0101), care management and other visits (99459) and medicare temporary code (Q0091).
Show 4 more questionsShow fewer questions
Where did Dr. John David McClanahan go to medical school?
Dr. McClanahan graduated from University of Arkansas College of Medicine in 1984.
What drugs does Dr. John David McClanahan prescribe most?
In 2024 Medicare Part D data, Dr. McClanahan's most prescribed drugs by claims were Estradiol, Medroxyprogesterone Acetate and Raloxifene HCl.
Has Dr. John David McClanahan received payments from drug or device companies?
CMS Open Payments shows $2,925 in general payments to Dr. McClanahan from 29 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. John David McClanahan been practicing?
Dr. McClanahan graduated from medical school in 1984, 42 years ago.
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