Courtney L. Warren, PA-C
Physician Assistant · Wauwatosa, WI
Courtney L. Warren, PA-C is a physician assistant with a practice address in Wauwatosa, Wisconsin, and NPI 1275500977, issued on Mar 2, 2006. Check the license (Wisconsin 1467-23, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Courtney L. Warren
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1467-23 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1033 N Mayfair RD Ste 101, Wauwatosa, WI 53226
- Phone
- (414) 454-0600
- Enumerated
- Mar 2, 2006
- Record last updated
- Feb 5, 2026
- Fax
- (414) 454-0971
- Medicare enrollment
- Enrolled (PECOS I20040318001357); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1033 N Mayfair RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melissa Palmer, PA-CPhysician Assistant1902874548
Verify Courtney L. Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1467-23Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 82 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).
Bills Medicare through one group practice
- Gastroenterology Specialists SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Courtney L. Warren among 3,475 physician assistant records in Wisconsin
Courtney L. Warren, PA-C is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2002 · median 2016 among the 2,491 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 physician assistant records list a practice address in Wauwatosa
They are 82 of the 1,787 NPPES records with a practice address in Wauwatosa, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Wauwatosa → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Barbara Bahrke, PA-CWauwatosa, WI 532261952378630
- Kylie Braam, PAMilwaukee, WI 532261649231085
- Jean Fischer, PAMilwaukee, WI 532261972563393
- Mark Garnaas, PA CMilwaukee, WI 532261134116890
- Shawn Hake, PAMilwaukee, WI 532261568451698
- Mindyn Heimsch, PAWauwatosa, WI 532261942260369
- Carrie Hofstad, PAMilwaukee, WI 532261811967425
- Mark McDonald, P.A.Milwaukee, WI 532261861479479
Common questions
What is Courtney L. Warren, PA-C's NPI number?
Courtney L. Warren, PA-C's National Provider Identifier (NPI) is 1275500977, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Courtney L. Warren, PA-C located?
The NPPES record lists a practice address at 1033 N Mayfair RD Ste 101, Wauwatosa, WI, 53226. Phone: (414) 454-0600. Providers update this record themselves, so call before visiting.
How can I verify Courtney L. Warren, PA-C's license?
NPPES lists Wisconsin license number 1467-23, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
What is Courtney L. Warren, PA-C's MIPS final score?
The 2023 MIPS final score is 82 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.