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Radiation Oncology

Robert B. Marcus Jr., MD

Sees patients in Poplar Bluff, MO · Missouri

Summary

Robert B. Marcus Jr., MD (Radiation Oncology) is enrolled with Medicare at 2 practice locations in Poplar Bluff, MO. NPI 1023024189. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(573) 727‑2773 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Robert B. Marcus Jr., joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

2Practice locations
Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
51Years since medical school (graduated 1975)
University Of Florida College Of MedicineMedical school
MaleGender (as listed)
Poplar Bluff Hma Physician Management, LLCGroup practice

Quick answers

Where does Robert B. Marcus Jr. see patients?
Medicare's clinician data lists 2 practice locations, including Poplar Bluff, MO. Call before your visit to confirm the address.
What is Robert B. Marcus Jr.'s specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Robert B. Marcus Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Robert B. Marcus Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Robert B. Marcus Jr.?
(573) 727-2773, as listed in official Medicare / NPI Registry data.
What is Robert B. Marcus Jr.'s NPI number?
1023024189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Robert B. Marcus Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Robert B. Marcus Jr. as a member of this group (CMS data updated 2026-10-02).

  • Poplar Bluff Hma Physician Management, LLC43 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Missouri →

Other radiation oncologists in Missouri

Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.

All radiation oncologists in Missouri →

Clinician information

CredentialMD
Medical schoolUniversity Of Florida College Of Medicine
Graduation year1975
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023024189
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians