NPPES file of Aug 9, 2026

Rachel Rose Koshalek

Medical Physician Assistant · Madison, WI

Rachel Rose Koshalek is a medical physician assistant with a practice address in Madison, Wisconsin, and NPI 1659904100, issued on Feb 12, 2020. Check the license (Wisconsin 5120, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659904100
Name
Rachel Rose Koshalek
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
5120 WI
5120-23 WI
Self-reported in NPPES; status is on the state search
Practice location
4621 Eastpark Blvd, Madison, WI 53718
Phone
(608) 915-0400
Enumerated
Feb 12, 2020
Record last updated
Feb 26, 2025
Medicare enrollment
Enrolled (PECOS I20210128000406); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4621 Eastpark Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maria Bernal Riera, MDEndocrinology, Diabetes & Metabolism Physician1144872425
  2. Erin Billmeyer, NPNurse Practitioner1902151517
  3. Ty Carroll, MDEndocrinology, Diabetes & Metabolism Physician1558312942
  4. Travis Daniel, MSPsychologist1134813934
  5. Fiatsogbe DzualiDermatology Physician1922637644
  6. Taylor Fletcher, SLPSpeech-Language Pathologist1043054679

Verify Rachel Rose Koshalek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 5120
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

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73% fewer Medicare Part D claims than the average medical physician assistant in 2024

311 Medicare Part D claims for 226 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Rachel Koshalek311
  2. Specialty average1,148

Most prescribed

  1. Cephalexin39 claims
  2. Amoxicillin-Clavulanate Potass36 claims
  3. Doxycycline Monohydrate32 claims
  4. Prednisone30 claims
  5. Sulfamethoxazole-Trimethoprim19 claims
  6. Albuterol Sulfate Hfa12 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

  1. University OF Wisconsin Medical Foundation IncMadison, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Rachel Rose Koshalek among 687 medical physician assistant records in Wisconsin

Rachel Rose Koshalek is one of 687 medical physician assistant records with a practice address in Wisconsin. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 73% of them.

  • NPI issued2020 · 73% of these records are older, 22% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2016 among the 479 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

208 medical physician assistant records list a practice address in Madison

They are 208 of the 15,014 NPPES records with a practice address in Madison, and 687 medical physician assistant records in Wisconsin.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Anna Held, PA-CMadison, WI 537181306251186
  2. Mya LonnebotnMadison, WI 537181982337432
  3. Elizabeth Nielsen, PA-CMadison, WI 537181265685754
  4. Denyse Nizam, PA-CMadison, WI 537181598196974
  5. Lauren Stovall, PAMadison, WI 537181821628082
  6. Shawna Wheeler, PA-CMadison, WI 537181326051483
  7. Shandra Bauer, PAMadison, WI 537171811282213
  8. Laura Berkner, PA-CMadison, WI 537171790048056

Common questions

What is Rachel Rose Koshalek's NPI number?

Rachel Rose Koshalek's National Provider Identifier (NPI) is 1659904100, issued on Feb 12, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Rachel Rose Koshalek located?

The NPPES record lists a practice address at 4621 Eastpark Blvd, Madison, WI, 53718. Phone: (608) 915-0400. Providers update this record themselves, so call before visiting.

How can I verify Rachel Rose Koshalek's license?

NPPES lists Wisconsin license number 5120, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Rachel Rose Koshalek prescribe under Medicare Part D?

In 2024, Rachel Rose Koshalek had 311 Medicare Part D claims for 226 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.