Margaret Alyce Nixon, MD
Obstetrics & Gynecology Physician · Milwaukee, WI
Margaret Alyce Nixon, MD is an obstetrics & gynecology physician with a practice address in Milwaukee, Wisconsin, and NPI 1720728777, issued on Mar 29, 2022. Check the license (Wisconsin 82446-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Alyce Nixon
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 82446-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-4777
- Enumerated
- Mar 29, 2022
- Record last updated
- Jul 30, 2026
- Fax
- (414) 805-4774
- Medicaid ID
- 1720728777 WI
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 796 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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- Haisam Abid, MBBSHospitalist Physician1578083184
- Faith Abodunrin, MDHematology & Oncology Physician1437768769
Verify Margaret Alyce Nixon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 82446-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
89 Medicare Part D claims for 41 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 28 claims were for opioids.
Most prescribed
- Oxycodone Hcl23 claims
- Ibuprofen16 claims
- Eliquis14 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.
Margaret Alyce Nixon among 796 obstetrics & gynecology physician records in Wisconsin
Margaret Alyce Nixon, MD is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Milwaukee → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Dwight Cruikshank, MDMilwaukee, WI 532261003867169
- Amy Diestelhorst, M.D.Milwaukee, WI 532261124007901
- Kimberly Gecsi, MDMilwaukee, WI 532261609898857
- Karen Gotwalt, M.D.Wauwatosa, WI 532261225047525
- Kristine Graettinger, M.D.Milwaukee, WI 532261003873399
- Gloria Halverson, MDMilwaukee, WI 532261497706923
- Judith Hibbard, M.D.Milwaukee, WI 532261891734182
- Kathy King, MDMilwaukee, WI 532261770535403
Common questions
What is Margaret Alyce Nixon, MD's NPI number?
Margaret Alyce Nixon, MD's National Provider Identifier (NPI) is 1720728777, issued on Mar 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Alyce Nixon, MD located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-4777. Providers update this record themselves, so call before visiting.
How can I verify Margaret Alyce Nixon, MD's license?
NPPES lists Wisconsin license number 82446-020, 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 Margaret Alyce Nixon, MD prescribe under Medicare Part D?
In 2024, Margaret Alyce Nixon, MD had 89 Medicare Part D claims for 41 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.