Rebecca A. La Rock, PAC
Physician Assistant · Waukesha, WI
Rebecca A. La Rock, PAC is a physician assistant with a practice address in Waukesha, Wisconsin, and NPI 1245609742, issued on Sep 15, 2015. Check the license (Wisconsin 3710, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca A. La Rock
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 3710 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1111 Delafield Street, Waukesha, WI 53188
- Phone
- (262) 544-4411
- Enumerated
- Sep 15, 2015
- Record last updated
- Feb 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (262) 650-3856
- Medicare enrollment
- Enrolled (PECOS I20161114000297); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 1111 Delafield Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Claire Fitzgerald, NPNurse Practitioner1992107031
- Sarah Hansen, MDPediatric Adolescent Medicine Physician1619918992
- Courtney Lemieux, MDObstetrics & Gynecology Physician1992124895
- Sanjay Singh, M.D.Interventional Cardiology Physician1922072248
Verify Rebecca A. La Rock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average physician assistant in 2024
204 Medicare Part D claims for 47 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Alendronate Sodium37 claims
- Bumetanide21 claims
- Tymlos13 claims
- Nifedipine Er12 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.
Bills Medicare through one group practice
- Apogee Medical Group Waukesha SCMukwonago, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca A. La Rock among 3,475 physician assistant records in Wisconsin
Rebecca A. La Rock, PAC 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 2015, is newer than 49% of them.
- NPI issued2015 · 49% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2016 among the 2,491 with a school on file
- Record last updated2021 · 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).
89 physician assistant records list a practice address in Waukesha
They are 89 of the 2,814 NPPES records with a practice address in Waukesha, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Waukesha → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Rachel Anderson, PA-CWaukesha, WI 531881497983092
- Claire Benishek, PACWaukesha, WI 531881629332101
- Catherine Bril, PAWaukesha, WI 531881508828328
- Sharon De Vries, P.A.Waukesha, WI 531881972528677
- Denise Dhein, P.A.Waukesha, WI 531881477697324
- Elizabeth Kehl, PAWaukesha, WI 531881457372021
- Vasavi Kumar, PAWaukesha, WI 531881063408334
- William Mustas, P.A.Waukesha, WI 531881629080932
Common questions
What is Rebecca A. La Rock, PAC's NPI number?
Rebecca A. La Rock, PAC's National Provider Identifier (NPI) is 1245609742, issued on Sep 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca A. La Rock, PAC located?
The NPPES record lists a practice address at 1111 Delafield Street, Waukesha, WI, 53188. Phone: (262) 544-4411. Providers update this record themselves, so call before visiting.
How can I verify Rebecca A. La Rock, PAC's license?
NPPES lists Wisconsin license number 3710, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Rebecca A. La Rock, PAC prescribe under Medicare Part D?
In 2024, Rebecca A. La Rock, PAC had 204 Medicare Part D claims for 47 beneficiaries; the average among physician assistant prescribers was 830. 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.