Clay Walker Mechlin, M.D.
Urology Physician · Columbia, MO
Clay Walker Mechlin, M.D. is a urology physician with a practice address in Columbia, Missouri, and NPI 1760645840, issued on Jul 8, 2008. Check the license (Missouri 2013008093, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Clay Walker Mechlin
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 2013008093 MO
Self-reported in NPPES; status is on the state search - Practice location
- 105 N Keene St, Columbia, MO 65201
- Phone
- (573) 499-4990
- Enumerated
- Jul 8, 2008
- Record last updated
- Feb 17, 2025
- Fax
- (573) 442-2120
- Medicare enrollment
- Enrolled (PECOS I20130909000035); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest urology physician records → All 266 in Missouri → Look up another NPI →
Also registered at 105 N Keene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Cupp, M.D.Urology Physician1003820150
- Steven Dresner, MDUrology Physician1598745481
- Roger Good, M.D.Radiation Oncology Physician1881652915
- Taz Harmon, M.D.Urology Physician1629074950
- Siobhan Hyland, M.D.Urology Physician1376567982
- Robert Remis, MDUrology Physician1528047974
Verify Clay Walker Mechlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2013008093Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average urology physician in 2024
1,199 Medicare Part D claims for 363 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Tamsulosin Hcl347 claims
- Finasteride203 claims
- Ciprofloxacin Hcl87 claims
- Cefdinir71 claims
- Levofloxacin68 claims
- Oxybutynin Chloride63 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): 65.2 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: $673.73
23 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 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
- Missouri Cancer Associates LLCColumbia, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clay Walker Mechlin among 266 urology physician records in Missouri
Clay Walker Mechlin, M.D. is one of 266 urology physician records with a practice address in Missouri. 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 2008, is newer than 59% of them.
- NPI issued2008 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2007 · median 2004 among the 182 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Missouri
There are 266 urology physician records in Missouri.
All 266 in Missouri → Every provider in Columbia → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Michael Cupp, M.D.Columbia, MO 652011003820150
- Steven Dresner, MDColumbia, MO 652011598745481
- Philip Fish, M.D.Columbia, MO 652011841782307
- Taz Harmon, M.D.Columbia, MO 652011629074950
- Siobhan Hyland, M.D.Columbia, MO 652011376567982
- John McMurtry, MDColumbia, MO 652011740365857
- Hunter Nolen, MDColumbia, MO 652011619404936
- Naveen Pokala, M.D.Columbia, MO 652011174780852
Common questions
What is Clay Walker Mechlin, M.D.'s NPI number?
Clay Walker Mechlin, M.D.'s National Provider Identifier (NPI) is 1760645840, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Clay Walker Mechlin, M.D. located?
The NPPES record lists a practice address at 105 N Keene St, Columbia, MO, 65201. Phone: (573) 499-4990. Providers update this record themselves, so call before visiting.
How can I verify Clay Walker Mechlin, M.D.'s license?
NPPES lists Missouri license number 2013008093, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clay Walker Mechlin, M.D. prescribe under Medicare Part D?
In 2024, Clay Walker Mechlin, M.D. had 1,199 Medicare Part D claims for 363 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Clay Walker Mechlin, M.D.'s MIPS final score?
The 2023 MIPS final score is 65.2 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.