Mary Margaret Keller, APNP
Nurse Practitioner · Milwaukee, WI
Mary Margaret Keller, APNP is a nurse practitioner with a practice address in Milwaukee, Wisconsin, and NPI 1992727259, issued on Jul 24, 2006. Check the license (Wisconsin 1968, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Keller
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 1968 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2901 W Kinnickinnic River Pkwy Ste 413, Milwaukee, WI 53215
- Phone
- (414) 383-7744
- Enumerated
- Jul 24, 2006
- Record last updated
- Dec 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (414) 383-8089
- Medicaid ID
- 43985900 WI
- Medicare enrollment
- Enrolled (PECOS I20100701000362); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,995 in Wisconsin → Look up another NPI →
Also registered at 2901 W Kinnickinnic River Pkwy Ste 413
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacqueline Hale, PA-CPhysician Assistant1952779712
- Matthew Hanna, M.D.Nephrology Physician1962476531
- Zain Javed, MDNephrology Physician1134614415
Verify Mary Margaret Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 1968Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.2 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).
Industry payments in 2024: $1,706.38
71 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Milwaukee Nephrologists SCMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Keller among 3,995 nurse practitioner records in Wisconsin
Mary Margaret Keller, APNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 82% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1986 · median 2017 among the 2,701 with a school on file
- Record last updated2019 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
695 nurse practitioner records list a practice address in Milwaukee
They are 695 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,995 nurse practitioner records in Wisconsin.
All 3,995 in Wisconsin → Every provider in Milwaukee → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Theresa Becker, APRNMilwaukee, WI 532151295727295
- Emily Carman, NPMilwaukee, WI 532151619928090
- Kathleen Freeland, NPMilwaukee, WI 532151710094123
- Therese Kern, NPMilwaukee, WI 532151831168616
- Amanda Kirby, APNPMilwaukee, WI 532151245288976
- Elizabeth Mattes, APNPMilwaukee, WI 532151205886173
- Wende Moline, APRN-BCMilwaukee, WI 532151457351355
- Sandra Muchka, APNPMilwaukee, WI 532151750335717
Common questions
What is Mary Margaret Keller, APNP's NPI number?
Mary Margaret Keller, APNP's National Provider Identifier (NPI) is 1992727259, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Keller, APNP located?
The NPPES record lists a practice address at 2901 W Kinnickinnic River Pkwy Ste 413, Milwaukee, WI, 53215. Phone: (414) 383-7744. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Keller, APNP's license?
NPPES lists Wisconsin license number 1968, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
What is Mary Margaret Keller, APNP's MIPS final score?
The 2023 MIPS final score is 73.2 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.