MARY MARGARET KELLER APNP
NPI 1992727259
Nurse Practitioner in Milwaukee, WI

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
73.19/100
CMS Quality Rating
2901 W KINNICKINNIC RIVER PKWY STE 413, MILWAUKEE, WI 53215(414) 383-7744(414) 383-8089 Get Directions Write a Review

NPPES record last updated: December 9, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 9, 2019, Dec 20, 2018 (2 updates tracked since 2018).

About Mary Margaret Keller Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY MARGARET KELLER APNP (NPI 1992727259) is an individual nurse practitioner in Milwaukee, Wisconsin, licensed in Wisconsin (1968) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1992727259
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY MARGARET KELLERCredential: APNP
Location Address2901 W KINNICKINNIC RIVER PKWY STE 413Milwaukee, WI 53215-3660
Mailing Address2514 S 102nd St, Suite 120West Allis, WI 53227-2142 · (414) 777-5200 · Fax (414) 777-5210
Fax(414) 383-8089
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateJuly 24, 2006
Last NPPES UpdateDecember 9, 20192 updates tracked since enumeration
NPI 1992727259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in WI · 1968
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2901 W KINNICKINNIC RIVER PKWY STE 413, Milwaukee, WI 53215

Other Identifiers 1

Medicaid43985900WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Margaret Keller Apnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870624000
PECOS Enrollment IDI20100701000362
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
176 services69 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
123 services23 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520138
Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.63
Promoting Interoperability0
Improvement Activities40
Cost78.7

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Nurse Practitioner
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Nurse Practitioner
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215
Internal Medicine (Nephrology)
2901 W KINNICKINNIC RIVER PKWY STE 413
MILWAUKEE, WI 53215

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Keller's NPI number?

The NPI number for Mary Keller is 1992727259. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Mary Keller located?

Mary Keller practices at 2901 W Kinnickinnic River Pkwy Ste 413, Milwaukee, WI 53215. The listed phone number is (414) 383-7744.

What is Mary Keller's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Keller enrolled in Medicare?

Yes. Mary Keller is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Keller accept?

Health plans from CareSource (Common Ground Healthcare), Network Health, Quartz and UnitedHealthcare list Mary Keller as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Keller affiliated with any hospitals?

According to CMS data, Mary Keller is affiliated with Aurora St Lukes Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Keller was last updated on December 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.