William B. Warrick, PA.C
Physician Assistant · Louisville, KY
William B. Warrick, PA.C is a physician assistant with a practice address in Louisville, Kentucky, and NPI 1578522199, issued on Mar 22, 2006. Check the license (Kentucky 1065386, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William B. Warrick
- Credential
- PA.C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1065386 KY
Self-reported in NPPES; status is on the state search - Practice location
- 444 S 1St St, Louisville, KY 40202
- Phone
- (502) 583-6647
- Enumerated
- Mar 22, 2006
- Record last updated
- Nov 28, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (502) 585-4824
- Medicare enrollment
- Enrolled (PECOS I20070723000614); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 444 S 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Judy Holtman, M.D.Dermatology Physician1912992504
- Heather Mucci, ARNPNurse Practitioner1518916329
Verify William B. Warrick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 1065386Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average physician assistant in 2024
931 Medicare Part D claims for 373 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide149 claims
- Ketoconazole134 claims
- Clobetasol Propionate95 claims
- Doxycycline Monohydrate65 claims
- Terbinafine Hcl60 claims
- Fluorouracil34 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $763.96
39 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Skin Group PLLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
345 physician assistant records list a practice address in Louisville
They are 345 of the 21,891 NPPES records with a practice address in Louisville, and 1,958 physician assistant records in Kentucky.
All 345 in Louisville → All 1,958 in Kentucky → Every provider in Louisville →
Other physician assistant records in Kentucky
- Devin AbbottLexington, KY1174354229
- Malinda Abbott, PALexington, KY1467470203
- Whitney Abbott, PA-CLexington, KY1619100799
- Brian Abner, PA-CBarbourville, KY1275883050
- Dee Abrams, PA-CLexington, KY1104927656
- Hayley Absher, PA-CShelbyville, KY1780209429
- Sara Ackerman, PA-CLawrenceburg, KY1467504845
- Briana AcostaClay City, KY1285528679
- Ashley Adair, PA-CLouisville, KY1639093396
- James Adair, PA-CLexington, KY1003140989
Common questions
What is William B. Warrick, PA.C's NPI number?
William B. Warrick, PA.C's National Provider Identifier (NPI) is 1578522199, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William B. Warrick, PA.C located?
The NPPES record lists a practice address at 444 S 1St St, Louisville, KY, 40202. Phone: (502) 583-6647. Providers update this record themselves, so call before visiting.
How can I verify William B. Warrick, PA.C's license?
NPPES lists Kentucky license number 1065386, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does William B. Warrick, PA.C prescribe under Medicare Part D?
In 2024, William B. Warrick, PA.C had 931 Medicare Part D claims for 373 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is William B. Warrick, PA.C's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.