Nathan Daniel Gundacker, BS
Infectious Disease Physician · Milwaukee, WI
Nathan Daniel Gundacker, BS is an infectious disease physician with a practice address in Milwaukee, Wisconsin, and NPI 1952690133, issued on Mar 28, 2011. Check the license (Wisconsin 67678, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Daniel Gundacker
- Credential
- BS
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 67678 WI
33420 AL
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-6444
- Enumerated
- Mar 28, 2011
- Record last updated
- Jul 21, 2022
- Fax
- (414) 805-6702
- Medicare enrollment
- Enrolled (PECOS I20170817003476); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 171 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.
- Shameem Aadam, RPHPharmacist1760755680
- 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 Daniel Gundacker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
61 Medicare Part D claims for 30 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 67% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Typhim Vi13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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 Daniel Gundacker among 171 infectious disease physician records in Wisconsin
Nathan Daniel Gundacker, BS is one of 171 infectious disease physician records with a practice address in Wisconsin. 83% 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 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2011 · median 2004 among the 125 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Wisconsin
There are 171 infectious disease physician records in Wisconsin.
All 171 in Wisconsin → Every provider in Milwaukee → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Kartikey Acharya, M.D., M.P.H.Milwaukee, WI 532261023242864
- Anna Corey, M.D.Milwaukee, WI 532261154649150
- Carlos Figueroa Castro, M.D.Milwaukee, WI 532261619181591
- Michael Frank, MDMilwaukee, WI 532261417908369
- Mary Beth Graham, MDMilwaukee, WI 532261639123904
- Jaime Green, MDMilwaukee, WI 532261790990976
- Michael Kron, MDMilwaukee, WI 532261174564637
- Sheran Mahatme, DOMilwaukee, WI 532261396711297
Common questions
What is Nathan Daniel Gundacker, BS's NPI number?
Nathan Daniel Gundacker, BS's National Provider Identifier (NPI) is 1952690133, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Daniel Gundacker, BS located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6444. Providers update this record themselves, so call before visiting.
How can I verify Nathan Daniel Gundacker, BS's license?
NPPES lists Wisconsin license number 67678, 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 Daniel Gundacker, BS prescribe under Medicare Part D?
In 2024, Nathan Daniel Gundacker, BS had 61 Medicare Part D claims for 30 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Nathan Daniel Gundacker, BS's MIPS final score?
The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.