Clay Douglas Martin, MD
Urology Physician · Wilmington, NC
Clay Douglas Martin, MD is a urology physician with a practice address in Wilmington, North Carolina, and NPI 1912494576, issued on Apr 19, 2018. Check the license (North Carolina 2023-01846, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Clay Douglas Martin
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 2023-01846 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1124 Gallery Park LN, Wilmington, NC 28412
- Phone
- (910) 341-3389
- Enumerated
- Apr 19, 2018
- Record last updated
- Jul 17, 2023
- Fax
- (910) 815-3144
- Medicare enrollment
- Enrolled (PECOS I20230831000740); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2018
- Entity
- Type 1 · individual
8 nearest urology physician records → All 506 in North Carolina → Look up another NPI →
Also registered at 1124 Gallery Park LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Black, CNMAdvanced Practice Midwife1316514920
- Elizabeth D'Amelio, CNMMidwife1427882158
- Brian Daily, MDFamily Medicine Physician1427492503
- Catherine Daum, MDInternal Medicine Physician1497863476
- Jessica Davis, MDObstetrics & Gynecology Physician1952860918
- Emily Doyle, CNM, WHNP-BCMidwife1265252266
Verify Clay Douglas Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2023-01846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average urology physician in 2024
600 Medicare Part D claims for 225 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 16 claims were for opioids.
Most prescribed
- Tamsulosin Hcl232 claims
- Finasteride79 claims
- Levofloxacin52 claims
- Oxybutynin Chloride Er40 claims
- Testosterone Cypionate28 claims
- Ciprofloxacin Hcl19 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.
Industry payments in 2024: $94.73
3 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. 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
- Wilmington Health PLLCWilmington, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clay Douglas Martin among 506 urology physician records in North Carolina
Clay Douglas Martin, MD is one of 506 urology physician records with a practice address in North Carolina. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2018 · median 2005 among the 329 with a school on file
- Record last updated2023 · 59% 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 North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in North Carolina
There are 506 urology physician records in North Carolina.
All 506 in North Carolina → Every provider in Wilmington → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Thomas Mobley, MDWilmington, NC 284051841695004
- Nicole Belko, MDWilmington, NC 284031710484423
- Robert Bennett, MDWilmington, NC 284031194720912
- Jeffrey Bierly, MDWilmington, NC 284031578192894
- Michael Degon, M.D.Wilmington, NC 284031619100856
- Edgar Kirby, M.D.Wilmington, NC 284031326332024
- Kaitlin Ridder, M.D.Wilmington, NC 284031114339447
- Ibardo Zambrano, M.D.Wilmington, NC 284031790104628
Common questions
What is Clay Douglas Martin, MD's NPI number?
Clay Douglas Martin, MD's National Provider Identifier (NPI) is 1912494576, issued on Apr 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Clay Douglas Martin, MD located?
The NPPES record lists a practice address at 1124 Gallery Park LN, Wilmington, NC, 28412. Phone: (910) 341-3389. Providers update this record themselves, so call before visiting.
How can I verify Clay Douglas Martin, MD's license?
NPPES lists North Carolina license number 2023-01846, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clay Douglas Martin, MD prescribe under Medicare Part D?
In 2024, Clay Douglas Martin, MD had 600 Medicare Part D claims for 225 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
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.