Charlene Vander Zanden, M.D.
Internal Medicine Physician · Milwaukee, WI
Charlene Vander Zanden, M.D. is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1235339532, issued on Jul 24, 2007. Check the license (Wisconsin 54553-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Charlene Vander Zanden
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54553-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1155 N Mayfair RD, Milwaukee, WI 53226
- Phone
- (414) 955-5990
- Enumerated
- Jul 24, 2007
- Record last updated
- Feb 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (414) 955-6282
- Medicaid ID
- 1235339532 WI
- Medicare enrollment
- Enrolled (PECOS I20101211000029); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1155 N Mayfair RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charlene Vander Zanden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 54553-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,137 Medicare Part D claims for 270 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 40 claims were for opioids.
Most prescribed
- Atorvastatin Calcium275 claims
- Losartan Potassium150 claims
- Amlodipine Besylate139 claims
- Levothyroxine Sodium129 claims
- Rosuvastatin Calcium116 claims
- Lisinopril105 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
- Prohealth Medical Group IncDelafield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charlene Vander Zanden among 2,078 internal medicine physician records in Wisconsin
Charlene Vander Zanden, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2007 · median 2002 among the 1,098 with a school on file
- Record last updated2014 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gary Barnas, MDMilwaukee, WI 532261902857329
- Karen Fickel, MDMilwaukee, WI 532261336190255
- Kathlyn Fletcher, MDMilwaukee, WI 532261306897236
- Sandra Green, MDMilwaukee, WI 532261871544692
- Tiffany Hubbard, MDWauwatosa, WI 532261518918093
- Samuel Idarraga, M.D.Wauwatosa, WI 532261700850070
- Jasna Jevtic, MDMilwaukee, WI 532261386695823
- Jack Kaufman, MDMilwaukee, WI 532261740231299
Common questions
What is Charlene Vander Zanden, M.D.'s NPI number?
Charlene Vander Zanden, M.D.'s National Provider Identifier (NPI) is 1235339532, issued on Jul 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Charlene Vander Zanden, M.D. located?
The NPPES record lists a practice address at 1155 N Mayfair RD, Milwaukee, WI, 53226. Phone: (414) 955-5990. Providers update this record themselves, so call before visiting.
How can I verify Charlene Vander Zanden, M.D.'s license?
NPPES lists Wisconsin license number 54553-20, 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 Charlene Vander Zanden, M.D. prescribe under Medicare Part D?
In 2024, Charlene Vander Zanden, M.D. had 3,137 Medicare Part D claims for 270 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.