1. Home
  2. Directory
  3. Wisconsin
  4. Milwaukee
  5. Emergency Medicine
  6. NPI Profile

ADAM C ANKRUM D.O.
NPI 1003875303
Emergency Medicine in Milwaukee, WI

Active since March 23, 2006PECOS Enrolled
111 E WISCONSIN AVE, SUITE 2000, MILWAUKEE, WI 53202(414) 290-6720(414) 290-6755 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Adam C Ankrum D.o. NPPES

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

ADAM C ANKRUM D.O. (NPI 1003875303) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (46620) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003875303
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameADAM C ANKRUMCredential: D.O.
Location Address111 E WISCONSIN AVE, SUITE 2000Milwaukee, WI 53202-4815
Mailing Address111 E Wisconsin Ave, Suite 2000Milwaukee, WI 53202-4815 · (414) 290-6720 · Fax (414) 290-6755
Phone(414) 290-6720
Fax(414) 290-6755
Sole ProprietorNo
Enumeration DateMarch 23, 2006
Last NPPES UpdateDecember 16, 2025
NPPES CertifiedDecember 16, 2025
✔ NPI 1003875303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in WI · 46620✔ Licensed in HI · DOS-1523
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
111 E WISCONSIN AVE, Milwaukee, WI 53202
Open in Google Maps ↗

Other Identifiers 3

Medicaid114622715MI
Medicaid43515300WI
OtherP00143665WI · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adam C Ankrum D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

3

Medicare enrollment records show Adam Ankrum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Honokaa Hospital & Skilled Nursing
4,168 mi
Critical Access
45-547 PLUMERIA ST
Honokaa, HI 96727
  • Reassigned Medicare billing, Hawaii enrollment
  • 45 clinicians in this Medicare group
NPI 1164506317 (808) 775-7211
Kau Hospital
4,206 mi
Critical Access
1 KAMANI STREET
Pahala, HI 96777
  • Reassigned Medicare billing, Hawaii enrollment
  • 208 clinicians in this Medicare group
NPI 1982276127 (808) 932-4200
Hawaii Emergency Physicians Associated Inc
4,226 mi
Emergency Medicine
407 ULUNIU ST, 4TH FLOOR
Kailua, HI 96734
  • Reassigned Medicare billing, Hawaii enrollment
  • 206 clinicians in this Medicare group
NPI 1801843198 (808) 261-3326

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
57 services54 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53202 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.

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.

ROBERT J HALLOCK M.D.
Emergency Medicine
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
ANDREA D GRANSEE APNP
Nurse Practitioner
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
DR. ANDREW W HARRON D.O.
Radiology (Diagnostic Radiology)
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
WILLIAM T TUCKER M.D.
Emergency Medicine
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
TERRANCE L OTZELBERGER PA-C
Physician Assistant
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
JULIE A BURANOSKY M.D.
Emergency Medicine
111 E WISCONSIN AVE, SUITE 2000
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
STEVEN S KANTOR M.D.
Emergency Medicine
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720
SCOTT P PERKL PA-C
Physician Assistant
111 E WISCONSIN AVE
MILWAUKEE, WI 53202
Milwaukee County (414) 290-6720

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 Adam Ankrum's NPI number?

The NPI number for Adam Ankrum is 1003875303. It was assigned to this individual provider in the NPPES registry on March 23, 2006.

Where is Adam Ankrum located?

Adam Ankrum practices at 111 E Wisconsin Ave Suite 2000, Milwaukee, WI 53202. The listed phone number is (414) 290-6720.

What is Adam Ankrum's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Adam Ankrum enrolled in Medicare?

Yes. Adam Ankrum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Adam Ankrum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Ankrum reassigns Medicare benefits to 3 organizations: Honokaa Hospital & Skilled Nursing (Honokaa, HI), Kau Hospital (Pahala, HI) and Hawaii Emergency Physicians Associated Inc (Kailua, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Ankrum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Adam Ankrum was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.