William Warrick, PA.C
NPI 1578522199 · Physician Assistant · Louisville, KY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Warrick, PA.C is a Physician Assistant provider in Louisville, KY (NPI 1578522199).
Provider details
- NPI number
- 1578522199
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA.C
- Sex
- Male
- Sole proprietor
- No
- License
- 1065386 (KY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,504 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,061 | $72 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,004 | $5 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 522 | $46 |
| Destruction of Skin Growth, 1-14 Growths17110 | 289 | $86 |
| Biopsy of Related Skin Growth, First Growth11102 | 204 | $72 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 149 | 77 |
| Ketoconazole | 134 | 69 |
| Clobetasol Propionate | 95 | 55 |
| Doxycycline Monohydrate | 65 | 21 |
| Terbinafine Hcl | 60 | 34 |
| Fluorouracil | 34 | 31 |
| Fluticasone Propionate | 34 | 25 |
| Methotrexate Sodiumbrand: Methotrexate | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$764 across 39 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-22
- Last updated
- 2007-11-28
Frequently asked questions
- What is William Warrick's NPI number?
- William Warrick's National Provider Identifier (NPI) is 1578522199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Warrick's specialty?
- William Warrick is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Warrick located?
- William Warrick's practice location on file with NPPES is 444 S 1st St, Louisville, KY 40202-1416.
- What is William Warrick's phone number?
- The practice phone number listed in the NPPES registry for William Warrick is (502) 583-6647.
- Does William Warrick accept Medicare?
- William Warrick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Warrick's NPI active?
- Yes — William Warrick's NPI (1578522199) is active in the NPPES registry as of the last update on 2007-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.