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Dr. Clay Walker Mechlin, MD
NPI1760645840PAC ID9830352921
- Medicare services, 2024
- 6,281
- Medicare patients, 2024
- 729
- Part D claims, 2024
- 1,199
- Publications
- 8
- Hospital affiliations
- 5
- Practice address
- 305 N Keene St, Columbia, MO 65201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Center of Columbia - HOPD
Acute Care Hospital outpatient department · Columbia, Missouri
Find Dr. Mechlin's professional email, personal email and mobile number
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Dr. Clay Walker Mechlin is a urologist in Columbia, Missouri
Dr. Mechlin practices at Surgery Center of Columbia - HOPD in Columbia, Missouri.
Dr. Mechlin's NPI, 1760645840, was assigned on July 8, 2008. Dr. Mechlin graduated from Saint Louis University School of Medicine in 2007. Dr. Mechlin holds Missouri license 2013008093.
NPI and contact details
- NPI
- 1760645840NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830352921
- NPI enumeration date
- July 8, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Clay Walker Mechlin practices at Surgery Center of Columbia - HOPD in Columbia, Missouri
Dr. Mechlin's primary practice is Surgery Center of Columbia - HOPD, at 305 N Keene St, Columbia, MO 65201.
- Surgery Center of Columbia - HOPD305 N Keene St, Columbia, MO 65201
Source: Dmand AI Affiliation Data
Dr. Clay Walker Mechlin is affiliated with 8 sites of care and 2 medical groups
Dr. Mechlin's primary practice is Surgery Center of Columbia - HOPD in Columbia, Missouri. Dr. Mechlin is also affiliated with Boone Health. The medical group on file is Missouri Cancer Associates. Dmand AI also links Dr. Mechlin to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Surgery Center of Columbia - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Clay Walker Mechlin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mechlin practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Center of Columbia - HOPD | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Clay Walker Mechlin is one of 246 urologists in Missouri
Urology is Dr. Mechlin's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Mechlin is licensed in Missouri.
Specialties and state licenses
- Urology, MissouriPrimary
Urologists near Dr. Mechlin
Counts of urologists 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. Clay Walker Mechlin billed Medicare for 6,281 services in 2024
CMS data shows 6,281 Medicare services from Dr. Mechlin across 33 procedure codes in 2024, for 729 Medicare patients. Medicare paid $155,287 for them.
Medicare services, 20246,281
Medicare patients729
Paid by Medicare$155,287
Procedure codes33
Dr. Mechlin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 6,0872024: 2,20064%
- Lab and pathology
- 2023: 2,1372024: 1,77917%
- Surgery
- 2023: 1,2092024: 98618%
- Office and hospital visits
- 2023: 9022024: 81410%
- Other services
- 2023: 02024: 334
- Imaging
- 2023: 1022024: 1011%
- Tests and treatments
- 2023: 832024: 6719%
Where Dr. Mechlin's Medicare services took place, 2024
- In an office6,07597%
- In a facility2063%
Dr. Mechlin compared with the Missouri median for urologists, 2024
- Dr. Mechlin
- Missouri median
- Medicare services
- 6,281vs 1,5344.1 times
- Medicare patients
- 729vs 50046% above
- Part D claims
- 1,071vs 79934% above
Medians across 252 urologists in Missouri with Dmand AI profiles that report each measure.
Dr. Mechlin'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. Mechlin and other urologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Clay Walker Mechlin treated 729 Medicare patients in 2024, average age 75
CMS counts 729 Medicare patients who saw Dr. Mechlin in 2024. The largest group is 65 to 74, with 334 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mechlin's median patient age at 69, with 16% women.
Medicare patients, 2024729
Average age75
Average risk score1.17
Also on Medicaid2%
Dr. Mechlin's Medicare patients by age, 2024
Dr. Mechlin's Medicare patients by sex, 2024
- Women9813%
- Men63187%
Chronic conditions among Dr. Mechlin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis43%
- Cancer33%
- Diabetes29%
- Ischemic heart disease29%
- Atrial fibrillation23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mechlin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women16%
- Men84%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Clay Walker Mechlin wrote 1,199 Medicare Part D claims in 2024
In 2024, Dr. Mechlin wrote 1,199 Medicare Part D claims for 363 patients. 97% of them were for generic drugs. CMS names the drug for 1,071 of them, across 13 drugs with 11 or more claims each, at $26,232 in total drug cost. In 2023, CMS named 969 claims across 18 drugs.
Part D claims, 20241,199
Drugs named by CMS13
Total drug cost$26,232
Part D patients363
Dr. Mechlin's Part D claims by kind of drug, 2024
- Generic1,158 claims97%
- Brand-name and other41 claims3%
Dr. Mechlin'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.
Drug classes CMS tracks in Dr. Mechlin's Part D claims, 2024
- Opioids6%67 of 1,199 claims
- Antibiotics22%259 of 1,199 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9692024: 1,07111%
Drugs named by CMS: 13 in 2024, 18 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. Clay Walker Mechlin takes part in Medicare
Dr. Mechlin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Clay Walker Mechlin has 8 publications on record
Dmand AI links 8 papers to Dr. Mechlin, published from 2011 to 2015. 2013 was the busiest year, with 2. The most frequent topics are Testis. Dr. Mechlin has published most often in J Sex Med. Dr. Mechlin's most frequent co-authors are Joseph Harry Ellen, MD, John R. Asplin, MD and Jason Kenneth Frankel, MD.
Papers8
Years published2011 to 2015
Dr. Mechlin's papers by year, 2011 to 2015
Topics Dr. Mechlin writes about most
- Testis
Dr. Mechlin's most frequent co-authors
- Joseph Harry Ellen, MD2 shared papers
- John R. Asplin, MD1 shared paper
- Jason Kenneth Frankel, MD1 shared paper
Recent publications by Dr. Mechlin
J Pediatr Urol
BiopsyCell CountCryptorchidism
AnastrozoleAromatase InhibitorsDrug Implants
See who Dr. Mechlin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mechlin works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Clay Walker Mechlin received $29,719 in industry payments from 2016 to 2025
CMS Open Payments shows 568 general payments to Dr. Mechlin from 63 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 34% of the total. Boston Scientific Corporation paid the most, $7,315.
General payments to Dr. Mechlin by program year, 2016 to 2025
General payments to Dr. Mechlin by kind, 2016 to 2025
$29.7Kin total
- Food and beverage$10,21834%
- Consulting fees$6,93423%
- Travel and lodging$6,81023%
- Gifts$3,92813%
- Education$1,8296%
Companies that paid Dr. Mechlin 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. Clay Walker Mechlin graduated from Saint Louis University School of Medicine
Dr. Mechlin graduated from Saint Louis University School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Clay Walker Mechlin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Clay Walker Mechlin
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. Clay Walker Mechlin's NPI number?
Dr. Clay Walker Mechlin's NPI number is 1760645840. It was assigned on July 8, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Clay Walker Mechlin?
Dr. Clay Walker Mechlin is a urologist in Columbia, Missouri. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Clay Walker Mechlin practice?
Dr. Mechlin practices at 305 N Keene St, Columbia, MO 65201. Dr. Mechlin's primary practice is Surgery Center of Columbia - HOPD in Columbia, Missouri. Dmand AI also links Dr. Mechlin to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Clay Walker Mechlin's medical license number?
Dr. Mechlin holds Missouri license 2013008093.
Which hospitals is Dr. Clay Walker Mechlin affiliated with?
Dr. Mechlin is affiliated with Boone Health. Dmand AI links Dr. Mechlin to 4 more hospitals.
What medical group is Dr. Clay Walker Mechlin part of?
Dr. Mechlin is linked to Missouri Cancer Associates. Dmand AI links Dr. Mechlin to 1 more medical group.
Does Dr. Clay Walker Mechlin accept Medicare?
Yes. CMS data shows Dr. Mechlin billed Medicare for 6,281 services in 2024, and Dr. Mechlin accepts Medicare assignment.
How many Medicare patients does Dr. Clay Walker Mechlin see?
CMS counts 729 Medicare patients who saw Dr. Mechlin in 2024, with an average age of 75.
What services does Dr. Clay Walker Mechlin bill to Medicare?
In 2024, Dr. Mechlin's most billed Medicare services were injected or infused drug (J9030), lab and pathology test (81003) and lab and pathology test (82570).
Where did Dr. Clay Walker Mechlin go to medical school?
Dr. Mechlin graduated from Saint Louis University School of Medicine in 2007.
Show 5 more questionsShow fewer questions
What drugs does Dr. Clay Walker Mechlin prescribe most?
In 2024 Medicare Part D data, Dr. Mechlin's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Ciprofloxacin HCl.
Has Dr. Clay Walker Mechlin received payments from drug or device companies?
CMS Open Payments shows $29,719 in general payments to Dr. Mechlin from 63 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Clay Walker Mechlin been practicing?
Dr. Mechlin graduated from medical school in 2007, 19 years ago.
Does Dr. Clay Walker Mechlin do research?
Dmand AI links 8 publications to Dr. Mechlin, published from 2011 to 2015.
Who does Dr. Clay Walker Mechlin publish with?
Dr. Mechlin's most frequent co-authors are Joseph Harry Ellen, MD (2 shared papers), John R. Asplin, MD (1 shared paper) and Jason Kenneth Frankel, MD (1 shared paper).
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