Michael W. Carnahan, MD
Family Medicine Physician · Ardmore, OK
Michael W. Carnahan, MD is a family medicine physician with a practice address in Ardmore, Oklahoma, and NPI 1871607903, issued on Aug 18, 2006. Check the license (Oklahoma 16887, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Michael W. Carnahan
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 16887 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1104 Walnut Dr, Ardmore, OK 73401
- Phone
- (580) 226-0543
- Enumerated
- Aug 18, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (580) 226-2284
- Medicaid ID
- 100131180A OK
- Medicare enrollment
- Enrolled (PECOS I20100316000116); may accept Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,303 in Oklahoma → Look up another NPI →
Also registered at 1104 Walnut Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren BattlesCase Manager/Care Coordinator1114636495
- Miguel Camacho-Garrido, MDPediatric Adolescent Medicine Physician1770504037
- Melissa Cashman, PH.D.Clinical Psychologist1871698514
- Jared Ellsworth, PAPhysician Assistant1821829821
- Shawn Fadum, PAMedical Physician Assistant1013374271
- Rebekah Fraley, DOFamily Medicine Physician1700528510
Verify Michael W. Carnahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 16887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family medicine physician in 2024
9,065 Medicare Part D claims for 604 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 467 claims were for opioids.
Most prescribed
- Simvastatin353 claims
- Levothyroxine Sodium345 claims
- Amlodipine Besylate287 claims
- Clonazepam223 claims
- Losartan Potassium220 claims
- Meloxicam204 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.
The MIPS final score for 2023 (Medicare payment program): 63.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $177.36
10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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 2 group practices
- Family Practice AssociatesArdmore, OK
- Good Shepherd Community Clinic, Inc.Ardmore, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael W. Carnahan among 2,303 family medicine physician records in Oklahoma
Michael W. Carnahan, MD is one of 2,303 family medicine physician records with a practice address in Oklahoma. 79% 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, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1986 · median 2008 among the 1,407 with a school on file
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 family medicine physician records list a practice address in Ardmore
They are 19 of the 1,302 NPPES records with a practice address in Ardmore, and 2,303 family medicine physician records in Oklahoma.
All 2,303 in Oklahoma → Every provider in Ardmore → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Pete Chambers, D.O.Ardmore, OK 734011023106580
- Yanna Fernandez Martin, MDArdmore, OK 734011841827417
- James Forrestal, DOArdmore, OK 734011285611160
- Summer Kirby, MDArdmore, OK 734011376703595
- Cameron Lancarte, MDArdmore, OK 734011376107060
- Thomas McCulloh, DOArdmore, OK 734011407879661
- Emmanuel Obi, M.D.Ardmore, OK 734011447791645
- Oludayo Olusanya, M.D.Ardmore, OK 734011326496613
Common questions
What is Michael W. Carnahan, MD's NPI number?
Michael W. Carnahan, MD's National Provider Identifier (NPI) is 1871607903, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael W. Carnahan, MD located?
The NPPES record lists a practice address at 1104 Walnut Dr, Ardmore, OK, 73401. Phone: (580) 226-0543. Providers update this record themselves, so call before visiting.
How can I verify Michael W. Carnahan, MD's license?
NPPES lists Oklahoma license number 16887, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael W. Carnahan, MD prescribe under Medicare Part D?
In 2024, Michael W. Carnahan, MD had 9,065 Medicare Part D claims for 604 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Michael W. Carnahan, MD's MIPS final score?
The 2023 MIPS final score is 63.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.