Megan Kaczmarek, FNP-C
Family Nurse Practitioner · Waukesha, WI
Megan Kaczmarek, FNP-C is a family nurse practitioner with a practice address in Waukesha, Wisconsin, and NPI 1881464055, issued on Jan 8, 2024. Check the license (Wisconsin 2023166210, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Megan Kaczmarek
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2023166210 WI
Self-reported in NPPES; status is on the state search - Practice location
- N20W22961 Watertown RD, Waukesha, WI 53186
- Phone
- (262) 875-5070
- Enumerated
- Jan 8, 2024
- Record last updated
- Oct 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20240520000676); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at N20W22961 Watertown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katherine Andrew, APNPPrimary Care Nurse Practitioner1225757842
- Rebecca Bland, APNPAcute Care Nurse Practitioner1144900606
- Amanda Bonk, APRNGerontology Nurse Practitioner1154277218
- Michele Brogunier, MDFamily Medicine Physician1821014036
- Megan Buboltz, PA-CPhysician Assistant1679463905
- Katie Crawford, APNPFamily Nurse Practitioner1134055114
Verify Megan Kaczmarek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2023166210Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family nurse practitioner in 2024
733 Medicare Part D claims for 104 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 104 claims were for opioids.
Most prescribed
- Oxycodone Hcl40 claims
- Pregabalin27 claims
- Tramadol Hcl27 claims
- Atorvastatin Calcium26 claims
- Pantoprazole Sodium24 claims
- Levothyroxine Sodium21 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 2 group practices
- Maple Medical SCWaukesha, WI
- Oak Medical SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan Kaczmarek among 2,814 family nurse practitioner records in Wisconsin
Megan Kaczmarek, FNP-C is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 85% of them.
- NPI issued2024 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2023 · median 2019 among the 1,740 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 family nurse practitioner records list a practice address in Waukesha
They are 93 of the 2,814 NPPES records with a practice address in Waukesha, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Waukesha → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Laurie Benkley, NP-CWaukesha, WI 531861275831513
- Ronelle Christenson, NPWaukesha, WI 531861801144845
- Pamela Dolata, NPWaukesha, WI 531861932326204
- Carla Foley, MSN FNPWaukesha, WI 531861003882002
- Tracy Jessogne, APNPWaukesha, WI 531861578718490
- Jackie Joachim, APNPWaukesha, WI 531861841486008
- Sharon O'Neill, APNPWaukesha, WI 531861922339878
- Debra Otten, APRN BC FAMILY NURSEWaukesha, WI 531861932273166
Common questions
What is Megan Kaczmarek, FNP-C's NPI number?
Megan Kaczmarek, FNP-C's National Provider Identifier (NPI) is 1881464055, issued on Jan 8, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Megan Kaczmarek, FNP-C located?
The NPPES record lists a practice address at N20W22961 Watertown RD, Waukesha, WI, 53186. Phone: (262) 875-5070. Providers update this record themselves, so call before visiting.
How can I verify Megan Kaczmarek, FNP-C's license?
NPPES lists Wisconsin license number 2023166210, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Megan Kaczmarek, FNP-C prescribe under Medicare Part D?
In 2024, Megan Kaczmarek, FNP-C had 733 Medicare Part D claims for 104 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.