WARREN R ENTWISTLE DO
NPI 1225004310
Emergency Medicine in Milwaukee, WI

Active since February 27, 2006PECOS Enrolled
945 N 12TH ST, MILWAUKEE, WI 53233(414) 219-5076 Get Directions Write a Review

NPPES record last updated: December 28, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 28, 2021, Sep 9, 2019 (2 updates tracked since 2019).

About Warren R Entwistle Do NPPES

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

WARREN R ENTWISTLE DO (NPI 1225004310) is an individual emergency medicine provider in Milwaukee, Wisconsin, licensed in Wisconsin (56606) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1225004310
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameWARREN R ENTWISTLECredential: DO
Location Address945 N 12TH STMilwaukee, WI 53233-1305
Mailing Address945 N 12th StMilwaukee, WI 53233-1305 · (414) 219-5076
Sole ProprietorNo
Enumeration DateFebruary 27, 2006
Last NPPES UpdateDecember 28, 20212 updates tracked since enumeration
NPPES CertifiedDecember 28, 2021
NPI 1225004310 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 · 56606 Licensed in MI · 5101015260
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.
945 N 12TH ST, Milwaukee, WI 53233

Other Identifiers 2

Medicaid1225004310MI
Medicaid100020907WI

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 (PECOS)

Warren R Entwistle Do 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.

Areas of Expertise CMS Part B claims 4

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
91 services80 patients
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.
39 services38 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.
22 services21 patients
Emergency department visit with straightforward medical decision making 99282
An emergency department visit for a mild to moderate issue is when you seek immediate medical attention for a non-life-threatening condition. This could include minor injuries, moderate pain, or illnesses like the flu. During the visit, healthcare professionals assess your condition, provide treatment, and may recommend follow-up care.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 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.

Student in an Organized Health Care Education/Training Program
945 N 12TH ST
MILWAUKEE, WI 53233
Family Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Nurse Practitioner
945 N 12TH ST
MILWAUKEE, WI 53233
Physician Assistant
945 N 12TH ST
MILWAUKEE, WI 53233
Emergency Medicine
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse
945 N 12TH ST
MILWAUKEE, WI 53233
Registered Nurse (Registered Nurse First Assistant)
945 N 12TH ST
MILWAUKEE, WI 53233
Clinic/Center (Federally Qualified Health Center (FQHC))
945 N 12TH ST, URGENT CARE
MILWAUKEE, WI 53233

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 Warren Entwistle's NPI number?

The NPI number for Warren Entwistle is 1225004310. It was assigned to this individual provider in the NPPES registry on February 27, 2006.

Where is Warren Entwistle located?

Warren Entwistle practices at 945 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-5076.

What is Warren Entwistle's specialty?

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

Is Warren Entwistle enrolled in Medicare?

Yes. Warren Entwistle is registered in the Medicare PECOS enrollment system.

What insurance does Warren Entwistle accept?

Health plans from CareSource (Common Ground Healthcare) list Warren Entwistle 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.

When was this NPI record last updated?

The NPPES record for Warren Entwistle was last updated on December 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.