Nathan T. Zwagerman, M.D.
Neurological Surgery Physician · Milwaukee, WI
Nathan T. Zwagerman, M.D. is a neurological surgery physician with a practice address in Milwaukee, Wisconsin, and NPI 1689970543, issued on Feb 9, 2011. Check the license (Wisconsin 66696, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nathan T. Zwagerman
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 66696 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-5400
- Enumerated
- Feb 9, 2011
- Record last updated
- Oct 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (414) 955-0115
- Medicaid ID
- 1689970543 WI
- Medicare enrollment
- Enrolled (PECOS I20170620003366); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 176 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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- Abubaker Abdalla, MDHospitalist Physician1194187617
- Sameem Abedin, MDHematology & Oncology Physician1063641157
- Lolia Abibo, M.D.Hospitalist Physician1912359795
- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Nathan T. Zwagerman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 66696Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average neurological surgery physician in 2024
28 Medicare Part D claims for 16 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan T. Zwagerman among 176 neurological surgery physician records in Wisconsin
Nathan T. Zwagerman, M.D. is one of 176 neurological surgery physician 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 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2010 · median 2006 among the 112 with a school on file
- Record last updated2018 · 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 207T00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Wisconsin
There are 176 neurological surgery physician records in Wisconsin.
All 176 in Wisconsin → Every provider in Milwaukee → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Jamie Baisden, MDMilwaukee, WI 532261811948334
- Joseph Cusick, MDMilwaukee, WI 532261285685347
- Thomas Gennarelli, MDMilwaukee, WI 532261891746756
- James Hollowell, MDWauwatosa, WI 532261609858869
- Bruce Kaufman, MDMilwaukee, WI 532261427009265
- Shekar Kurpad, MDMilwaukee, WI 532261033160874
- Dennis Maiman, MDMilwaukee, WI 532261265483010
- Joshua Medow, M.D.Milwaukee, WI 532261023073400
Common questions
What is Nathan T. Zwagerman, M.D.'s NPI number?
Nathan T. Zwagerman, M.D.'s National Provider Identifier (NPI) is 1689970543, issued on Feb 9, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan T. Zwagerman, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-5400. Providers update this record themselves, so call before visiting.
How can I verify Nathan T. Zwagerman, M.D.'s license?
NPPES lists Wisconsin license number 66696, 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 Nathan T. Zwagerman, M.D. prescribe under Medicare Part D?
In 2024, Nathan T. Zwagerman, M.D. had 28 Medicare Part D claims for 16 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.