DR. JAMES MICHAEL WALKER M.D.
NPI 1255360608
Radiology - Diagnostic Radiology in Milwaukee, WI

Active since June 30, 2006PECOS EnrolledAccepts Medicare Assignment
2901 W KINNICKINNIC RIVER PKWY, SUITE LL9, MILWAUKEE, WI 53215(414) 649-5138(414) 649-5563 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. James Michael Walker M.d. NPPES

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

DR. JAMES MICHAEL WALKER M.D. (NPI 1255360608) is an individual diagnostic radiology provider in Milwaukee, Wisconsin, licensed in Wisconsin (48031-020) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of University Of Michigan Medical School (1999).

NPPES Registry Identity

NPI1255360608
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JAMES MICHAEL WALKERCredential: M.D.
Location Address2901 W KINNICKINNIC RIVER PKWY, SUITE LL9Milwaukee, WI 53215-3677
Mailing Address2901 W Kinnickinnic River Pkwy, Suite Ll9Milwaukee, WI 53215-3677 · (414) 649-5138 · Fax (414) 649-5563
Fax(414) 649-5563
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1999
Enumeration DateJune 30, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1255360608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in WI · 48031-020
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2901 W KINNICKINNIC RIVER PKWY, Milwaukee, WI 53215

Other Identifiers 2

Medicaid34638000WI
Medicare UPINI30235

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

Dr. James Michael Walker M.d. 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 ID2062455116
PECOS Enrollment IDI20050609000146
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 32

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
1,875 services18 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
288 services267 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
87 services86 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
78 services77 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
72 services71 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
67 services66 patients

Hospital Affiliations CMS Care Compare 4

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520008
Location725 American AveWaukesha, WI 53188 · Waukesha County
Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520062
Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County
Emergency services Birthing friendly

Watertown Memorial Hospital

Acute Care Hospitals · Watertown, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520116
Location125 Hospital DriveWatertown, WI 53098 · Dodge County
Emergency services Birthing friendly

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · 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
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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.

Nurse Practitioner
2901 W KINNICKINNIC RIVER PKWY, 305
MILWAUKEE, WI 53215
Nurse Practitioner
2901 W KINNICKINNIC RIVER PKWY
MILWAUKEE, WI 53215
Physical Therapist
2901 W KINNICKINNIC RIVER PKWY
MILWAUKEE, WI 53215
Nurse Practitioner
2901 W KINNICKINNIC RIVER PKWY, SUITE 106
MILWAUKEE, WI 53215
Physical Medicine & Rehabilitation
2901 W KINNICKINNIC RIVER PKWY, SUITE: 106
MILWAUKEE, WI 53215
Specialist (Research Study)
2901 W KINNICKINNIC RIVER PKWY, SUITE 414
MILWAUKEE, WI 53215
Physical Medicine & Rehabilitation
2901 W KINNICKINNIC RIVER PKWY
MILWAUKEE, WI 53215
Physician Assistant
2901 W KINNICKINNIC RIVER PKWY
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 James Walker's NPI number?

The NPI number for James Walker is 1255360608. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is James Walker located?

James Walker practices at 2901 W Kinnickinnic River Pkwy Suite Ll9, Milwaukee, WI 53215. The listed phone number is (414) 649-5138.

What is James Walker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is James Walker enrolled in Medicare?

Yes. James Walker 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 James Walker accept?

Health plans from CareSource (Common Ground Healthcare) and Group Health Cooperative-SCW list James Walker 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 James Walker affiliated with any hospitals?

According to CMS data, James Walker is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital, Watertown Memorial Hospital and Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for James Walker was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.