William Barrett, MD
Nephrology Physician · Maysville, KY
William Barrett, MD is a nephrology physician with a practice address in Maysville, Kentucky, and NPI 1013955822, issued on Jun 3, 2006. Check the license (Kentucky 37308, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- William Barrett
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 37308 KY
Self-reported in NPPES; status is on the state search - Practice location
- 1340 Medical Park Dr, Maysville, KY 41056
- Phone
- (606) 759-0077
- Enumerated
- Jun 3, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (888) 742-1125
- Medicare enrollment
- Enrolled (PECOS I20060814000321); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 174 in Kentucky → Look up another NPI →
Verify William Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 37308Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average nephrology physician in 2024
1,911 Medicare Part D claims for 233 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate177 claims
- Furosemide168 claims
- Amlodipine Besylate131 claims
- Hydralazine Hcl124 claims
- Losartan Potassium109 claims
- Spironolactone101 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): 75 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: $24.61
1 payment: education; the largest payer was Akebia Therapeutics Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
William Barrett among 174 nephrology physician records in Kentucky
William Barrett, MD is one of 174 nephrology physician records with a practice address in Kentucky. 89% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 84% of these records are
- Graduated2006 · median 2003 among the 146 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Kentucky
There are 174 nephrology physician records in Kentucky.
All 174 in Kentucky → Every provider in Maysville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Deepak Mittal, MDFlorence, KY 410421447296538
- Muhammad Rafiuddin, MDFlorence, KY 410421487879599
- Ai Tran, M.D.Florence, KY 410421316149412
- Frank Giese, M.D.Edgewood, KY 410171558302851
- Emily Kenner, M.D.Edgewood, KY 410171225201858
- Rakesh Kumar, M.DEdgewood, KY 410171649427428
- Elisha Lancaster, MDEdgewood, KY 410171316136567
- Mustafa Mawih, M.D.Edgewood, KY 410171245641307
Common questions
What is William Barrett, MD's NPI number?
William Barrett, MD's National Provider Identifier (NPI) is 1013955822, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Barrett, MD located?
The NPPES record lists a practice address at 1340 Medical Park Dr, Maysville, KY, 41056. Phone: (606) 759-0077. Providers update this record themselves, so call before visiting.
How can I verify William Barrett, MD's license?
NPPES lists Kentucky license number 37308, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Barrett, MD prescribe under Medicare Part D?
In 2024, William Barrett, MD had 1,911 Medicare Part D claims for 233 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is William Barrett, MD's MIPS final score?
The 2023 MIPS final score is 75 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.