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DR. ROBERT WALKER MD
NPI 1942242185
Internal Medicine in Southfield, MI

Active since June 12, 2006PECOS Enrolled
28411 NORTHWESTERN HWY, SUITE 1050, SOUTHFIELD, MI 48034(248) 354-4709(248) 354-4807 Get Directions Write a Review

NPPES record last updated: October 24, 2013. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Robert Walker Md NPPES

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

DR. ROBERT WALKER MD (NPI 1942242185) is an individual internal medicine provider in Southfield, Michigan, licensed in Michigan (4301041208) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942242185
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT WALKERCredential: MD
Location Address28411 NORTHWESTERN HWY, SUITE 1050Southfield, MI 48034-5544
Mailing AddressPo Box 674147Detroit, MI 48267-4147 · (248) 354-4709 · Fax (248) 354-4807
Phone(248) 354-4709
Fax(248) 354-4807
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateOctober 24, 2013
✔ NPI 1942242185 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301041208
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.
28411 NORTHWESTERN HWY, Southfield, MI 48034
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Other Identifiers 7

Other110F336360MI · Bcbsm
Other207R00000XMI · Taxonomy
Other4301041208MI · License
Medicaid2704105MI
Other1346398971MI · Group Npi
Medicare UPINA75136MI
Medicare PIN0P41360007MI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Walker Md 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 Reassignment

Medicare enrollment records show Robert Walker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Academic Internal Medicine Specialists PLLC
0.6 mi
Internal Medicine
26677 W 12 MILE RD # B6
Southfield, MI 48034
  • Reassigned Medicare billing, Michigan enrollment
  • 37 clinicians in this Medicare group
NPI 1346398971 (248) 354-4709

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48034 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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 15

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

DR. GREGORY E BERGER M.D.
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709
IRFAN U WALI M.D
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709
DR. JOAN ELENA LANIER DDS,MS
Dentist (Endodontics)
28411 NORTHWESTERN HWY, SUITE 230
SOUTHFIELD, MI 48034
Oakland County (248) 948-1998
RAYLENE PLATEL MD
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709
AWAIS ZAKA M.D
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709
SINDHU RAMESH M.D.
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709
OLUCHI CHINYERE OPARA MD
Internal Medicine
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 358-4892
ABDULRAZAK FISAL ALCHAKAKI M.D
Internal Medicine (Critical Care Medicine)
28411 NORTHWESTERN HWY, SUITE 1050
SOUTHFIELD, MI 48034
Oakland County (248) 354-4709

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 Robert Walker's NPI number?

The NPI number for Robert Walker is 1942242185. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Robert Walker located?

Robert Walker practices at 28411 Northwestern Hwy Suite 1050, Southfield, MI 48034. The listed phone number is (248) 354-4709.

What is Robert Walker's specialty?

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

Is Robert Walker enrolled in Medicare?

Yes. Robert Walker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Walker reassigns Medicare benefits to Academic Internal Medicine Specialists PLLC (Southfield, MI). The 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 Robert Walker'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 Robert Walker was last updated on October 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.