Kassandra E. Holzem, M.D.
Dermatology Physician · Milwaukee, WI
Kassandra E. Holzem, M.D. is a dermatology physician with a practice address in Milwaukee, Wisconsin, and NPI 1568882793, issued on Apr 28, 2014. Check the license (Wisconsin 6906320, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kassandra E. Holzem
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 6906320 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-5320
- Enumerated
- Apr 28, 2014
- Record last updated
- May 2, 2022
- Fax
- (414) 805-5323
- Medicaid ID
- 1568882793 WI
- Medicare enrollment
- Enrolled (PECOS I20180904000019); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 325 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Kassandra E. Holzem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 6906320Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average dermatology physician in 2024
587 Medicare Part D claims for 217 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Triamcinolone Acetonide108 claims
- Clobetasol Propionate69 claims
- Ketoconazole55 claims
- Doxycycline Monohydrate28 claims
- Tacrolimus26 claims
- Hydrocortisone21 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
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncGermantown, WI
- The Medical College OF Wisconsin IncWauwatosa, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kassandra E. Holzem among 325 dermatology physician records in Wisconsin
Kassandra E. Holzem, M.D. is one of 325 dermatology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 67% of them.
- NPI issued2014 · 67% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2014 · median 2009 among the 228 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Wisconsin
There are 325 dermatology physician records in Wisconsin.
All 325 in Wisconsin → Every provider in Milwaukee → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- James Barnett, M.D.Wauwatosa, WI 532261366442691
- Keri Chaney, M.D.Wauwatosa, WI 532261154467827
- Yvonne Chiu, MDMilwaukee, WI 532261043393408
- Kenneth Gordon, M.D.Wauwatosa, WI 532261790865806
- Ronald Hamrick, MDMilwaukee, WI 532261447542162
- Sidney Herszenson, M.D.Milwaukee, WI 532261841264074
- Stephen HumphreyMilwaukee, WI 532261417246257
- Sam Hwang, M.D., PH.D.Milwaukee, WI 532261760500813
Common questions
What is Kassandra E. Holzem, M.D.'s NPI number?
Kassandra E. Holzem, M.D.'s National Provider Identifier (NPI) is 1568882793, issued on Apr 28, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Kassandra E. Holzem, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-5320. Providers update this record themselves, so call before visiting.
How can I verify Kassandra E. Holzem, M.D.'s license?
NPPES lists Wisconsin license number 6906320, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kassandra E. Holzem, M.D. prescribe under Medicare Part D?
In 2024, Kassandra E. Holzem, M.D. had 587 Medicare Part D claims for 217 beneficiaries; the average among dermatology physician prescribers was 797. 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.