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ALLISON ZIMMERMAN
NPI 1932690245
Internal Medicine in Milwaukee, WI

Active since May 22, 2018PECOS EnrolledAccepts Medicare Assignment
2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 646-2438 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Jun 15, 2021, May 22, 2018 (3 updates tracked since 2018).

About Allison Zimmerman NPPES

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

ALLISON ZIMMERMAN (NPI 1932690245) is an individual internal medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (85490) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and maintains a secondary practice location in Detroit.

NPPES Registry Identity

NPI1932690245
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameALLISON ZIMMERMAN
Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(414) 646-2438
Sole ProprietorNo
Medical School CMSUniversity Of Toledo College Of MedicineGraduated 2018
Enumeration DateMay 22, 2018
Last NPPES UpdateFebruary 17, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
✔ NPI 1932690245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in WI · 85490✔ Licensed in IL · 125.072044
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2900 W OKLAHOMA AVE, Milwaukee, WI 53215
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Secondary Practice Location 1

Location 12799 W Grand BlvdDetroit, MI 48202-2608 · Phone (313) 916-1601

Other Identifiers 1

Medicaid100367544WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.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

Allison Zimmerman 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 ID8022365618
PECOS Enrollment IDI20250813001523
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.

Hospital Affiliations CMS Care Compare 2

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

Aurora Medical Center

Acute Care Hospitals · Grafton, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520207
Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
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.

Other Providers at the Same Location NPPES 20

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

MUHAMMAD AKBAR MD LLC
Clinic/Center (Primary Care)
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 365-3210
DR. JEFFREY T LYVERS M.D.
Anesthesiology
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
JESSICA MCDOWELL
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-5279
MARA STASIK PA-C
Physician Assistant
2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215
Milwaukee County (414) 646-2550
SARAH J PARVE NP
Nurse Practitioner
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6000
DR. RILEY MARINELLI PT, DPT
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6011
ASHLEY MARIE ALTER PHARMD
Pharmacist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6930
DR. LAUREL THOME DPT
Physical Therapist
2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215
Milwaukee County (414) 649-6220

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 Allison Zimmerman's NPI number?

The NPI number for Allison Zimmerman is 1932690245. It was assigned to this individual provider in the NPPES registry on May 22, 2018.

Where is Allison Zimmerman located?

Allison Zimmerman practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 646-2438.

What is Allison Zimmerman's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Allison Zimmerman enrolled in Medicare?

Yes. Allison Zimmerman 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 Allison Zimmerman accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz list Allison Zimmerman 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 Allison Zimmerman affiliated with any hospitals?

According to CMS data, Allison Zimmerman is affiliated with Aurora St Lukes Medical Center and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Allison Zimmerman was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.