John Mcclanahan, MD
NPI 1578586376 · Obstetrics & Gynecology Physician · Fort Smith, AR
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Mcclanahan, MD is a Obstetrics & Gynecology Physician provider in Fort Smith, AR (NPI 1578586376).
Provider details
- NPI number
- 1578586376
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C-6638 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
92 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 47 | $34 |
| Pelvic Exam99459 | 22 | $19 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 12 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 11 | $82 |
Typical Medicare-allowed amounts for these services range $19–$82 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 234 | 67 |
| Medroxyprogesterone Acetate | 60 | 22 |
| Raloxifene Hcl | 39 | — |
| Mirabegronbrand: Myrbetriq | 33 | — |
| Fezolinetantbrand: Veozah | 20 | — |
| Levothyroxine Sodium | 18 | — |
| Alprazolam | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2011-11-29
Frequently asked questions
- What is John Mcclanahan's NPI number?
- John Mcclanahan's National Provider Identifier (NPI) is 1578586376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mcclanahan's specialty?
- John Mcclanahan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mcclanahan located?
- John Mcclanahan's practice location on file with NPPES is 3224 S 70th St, Fort Smith, AR 72903-5050.
- What is John Mcclanahan's phone number?
- The practice phone number listed in the NPPES registry for John Mcclanahan is (479) 785-2229.
- Does John Mcclanahan accept Medicare?
- John Mcclanahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Mcclanahan's NPI active?
- Yes — John Mcclanahan's NPI (1578586376) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.