Alissa Zeglin
Internal Medicine Physician · Wauwatosa, WI
Alissa Zeglin is an internal medicine physician with a practice address in Wauwatosa, Wisconsin, and NPI 1366948309, issued on Mar 30, 2018. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Alissa Zeglin
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35.145346 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1155 N Mayfair RD, Wauwatosa, WI 53226
- Phone
- (414) 955-5990
- Enumerated
- Mar 30, 2018
- Record last updated
- Sep 22, 2023
- Medicare enrollment
- Enrolled (PECOS I20231010001530); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- 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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- Cassandra Bell, P.A.Physician Assistant1265486120
- Delaney Bowling, NPFamily Nurse Practitioner1427717966
Verify Alissa Zeglin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
883 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium60 claims
- Lisinopril39 claims
- Amlodipine Besylate38 claims
- Losartan Potassium27 claims
- Fluticasone Propionate24 claims
- Metoprolol Succinate24 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): 79.5 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
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncMenomonee Falls, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alissa Zeglin among 2,078 internal medicine physician records in Wisconsin
Alissa Zeglin 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 2018, is newer than 79% of them.
- NPI issued2018 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2018 · median 2002 among the 1,098 with a school on file
- Record last updated2023 · 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).
45 internal medicine physician records list a practice address in Wauwatosa
They are 45 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Wauwatosa → 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 Alissa Zeglin's NPI number?
Alissa Zeglin's National Provider Identifier (NPI) is 1366948309, issued on Mar 30, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Alissa Zeglin located?
The NPPES record lists a practice address at 1155 N Mayfair RD, Wauwatosa, WI, 53226. Phone: (414) 955-5990. Providers update this record themselves, so call before visiting.
How can I verify Alissa Zeglin's license?
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 Alissa Zeglin prescribe under Medicare Part D?
In 2024, Alissa Zeglin had 883 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Alissa Zeglin's MIPS final score?
The 2023 MIPS final score is 79.5 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.