Dr. Robert B. Marcus Jr., MD
- Medicare services, 2020
- 804
- Part D claims, 2017
- 17
- Publications
- 100
- Industry payments
- $337
- Affiliated sites
- 1
- Practice address
- 3098 Oak Grove Rd, Poplar Bluff, MO 63901
- Practice phone
- Call (573) 776-2835
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Poplar Bluff HMA Physician Management
Poplar Bluff, Missouri
Find Dr. Marcus' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert B. Marcus Jr. is a therapeutic radiology physician in Poplar Bluff, Missouri
Dr. Marcus practices at Poplar Bluff HMA Physician Management in Poplar Bluff, Missouri.
Dr. Marcus' NPI, 1023024189, was assigned on July 31, 2006. Dr. Marcus graduated from University Of Florida College Of Medicine in 1975. Dr. Marcus holds Florida license 29054.
- NPI
- 1023024189NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426030685
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 776-2835
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert B. Marcus Jr. practices at Poplar Bluff HMA Physician Management in Poplar Bluff, Missouri
Dr. Marcus' primary practice is Poplar Bluff HMA Physician Management, at 3098 Oak Grove Rd, Poplar Bluff, MO 63901 in Butler County. The practice phone is (573) 776-2835.
- Poplar Bluff HMA Physician Management3098 Oak Grove Rd, Poplar Bluff, MO 63901 · Butler CountyPhone(573) 776-2835
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert B. Marcus Jr. is affiliated with 2 sites of care and 4 medical groups
Dr. Marcus' primary practice is Poplar Bluff HMA Physician Management in Poplar Bluff, Missouri. The medical group on file is Regional Physician Services. Dmand AI also links Dr. Marcus to 3 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert B. Marcus Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marcus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Poplar Bluff HMA Physician Management | Available with a free account |
| +1 more site and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert B. Marcus Jr. is one of 2 therapeutic radiology physicians in Missouri
Therapeutic radiology is Dr. Marcus' primary specialty in the NPI Registry, under taxonomy code 2085R0203X. Dr. Marcus is board certified in therapeutic radiology by the American Board of Radiology. Dmand AI has Dr. Marcus' licenses on file in 5 states: Florida, Georgia, Missouri, Arkansas and Tennessee.
Specialties and state licenses
- Therapeutic radiology, FloridaPrimary
- Radiation oncology, Georgia
- Missouri license
- Arkansas license
- Tennessee license
Therapeutic radiology physicians near Dr. Marcus
Counts of therapeutic radiology physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert B. Marcus Jr. billed Medicare for 804 services in 2020
CMS data shows 804 Medicare services from Dr. Marcus across 12 procedure codes in 2020. Medicare paid $48,520 for them.
Dr. Marcus' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Imaging
- 2019: 3982020: 63860%
- Other services
- 2019: 5772020: 15174%
- Office and hospital visits
- 2019: 402020: 1563%
Where Dr. Marcus' Medicare services took place, 2020
- In an office9512%
- In a facility70988%
Dr. Marcus' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marcus and other therapeutic radiology physicians in Missouri.
Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Robert B. Marcus Jr.'s patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Marcus' median patient age at 77, with 38% women.
Dr. Marcus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Dr. Robert B. Marcus Jr. wrote 17 Medicare Part D claims in 2017
In 2017, Dr. Marcus wrote 17 Medicare Part D claims. They cover 1 drug, with $309 in total drug cost. In 2016, CMS named 28 claims across 2 drugs.
Dr. Marcus' most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 282017: 1739%
Drugs named by CMS: 1 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Robert B. Marcus Jr. takes part in Medicare
Dr. Marcus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert B. Marcus Jr. has 100 publications on record
Dmand AI links 100 papers to Dr. Marcus, published from 2006 to 2021. 2011 was the busiest year, with 6. The most frequent topics are Radiotherapy Dosage, Brain Neoplasms and Antineoplastic Combined Chemotherapy Protocols. Dr. Marcus has published most often in Int J Radiat Oncol Biol Phys. Dr. Marcus' most frequent co-authors are Nancy P. Mendenhall, MD, William M. Mendenhall, MD and Daniel J. Indelicato, MD.
Dr. Marcus' papers by year, 2007 to 2021
Topics Dr. Marcus writes about most
- Radiotherapy Dosage
- Brain Neoplasms
- Antineoplastic Combined Chemotherapy Protocols
- Radiotherapy
- Bone Neoplasms
- Sarcoma, Ewing
- Sarcoma
- Analysis of Variance
Dr. Marcus' most frequent co-authors
- Nancy P. Mendenhall, MD27 shared papers
- William M. Mendenhall, MD23 shared papers
- Daniel J. Indelicato, MD20 shared papers
Recent publications by Dr. Marcus
See who Dr. Marcus researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marcus works with, so you can find a warm path to the right therapeutic radiology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert B. Marcus Jr. received $337 in industry payments from 2016 to 2018
CMS Open Payments shows 7 general payments to Dr. Marcus from 6 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $133.
General payments to Dr. Marcus by program year, 2016 to 2018
Companies that paid Dr. Marcus the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert B. Marcus Jr. graduated from University Of Florida College Of Medicine
Dr. Marcus graduated from University Of Florida College Of Medicine in 1975.
- Medical school
- Board certified in therapeutic radiology
Source: Dmand AI Professional Profile Data
Dr. Robert B. Marcus Jr. accepts plans from 7 insurance carriers
Dr. Marcus is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- Regence Health Plans
- AR State Medicaid
- GA State Medicaid
Plan types Dr. Marcus accepts, by number of carriers
- Medicare5
- PPO5
- HMO3
- Medicaid3
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert B. Marcus Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert B. Marcus Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert B. Marcus Jr.'s NPI number?
Dr. Robert B. Marcus Jr.'s NPI number is 1023024189. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert B. Marcus Jr.?
Dr. Robert B. Marcus Jr. is a therapeutic radiology physician in Poplar Bluff, Missouri. The primary specialty in the NPI Registry is Therapeutic Radiology Physician (taxonomy code 2085R0203X).
Where does Dr. Robert B. Marcus Jr. practice?
Dr. Marcus practices at 3098 Oak Grove Rd, Poplar Bluff, MO 63901. Dr. Marcus' primary practice is Poplar Bluff HMA Physician Management in Poplar Bluff, Missouri. Dmand AI also links Dr. Marcus to 3 medical groups and 1 group practice or clinic.
What is Dr. Robert B. Marcus Jr.'s office phone number?
The practice phone on file for Dr. Marcus is (573) 776-2835.
What is Dr. Robert B. Marcus Jr.'s medical license number?
Dr. Marcus holds Florida license 29054, one of the licenses on file in 5 states.
Which states has Dr. Robert B. Marcus Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Marcus in Florida (1975 to 2026), Georgia (1987 to 2026), Missouri (2019 to 2026), Arkansas (2018 to 2023) and Tennessee (2018 to 2021).
What medical group is Dr. Robert B. Marcus Jr. part of?
Dr. Marcus is linked to Regional Physician Services. Dmand AI links Dr. Marcus to 3 more medical groups.
Does Dr. Robert B. Marcus Jr. accept Medicare?
Yes. CMS data shows Dr. Marcus billed Medicare for 804 services in 2020, and Dr. Marcus accepts Medicare assignment.
Is Dr. Robert B. Marcus Jr. board certified?
Yes. Dr. Marcus is board certified in therapeutic radiology by the American Board of Radiology.
What services does Dr. Robert B. Marcus Jr. bill to Medicare?
In 2020, Dr. Marcus' most billed Medicare services were radiation oncology (77014), medicare service (G6002) and radiation oncology (77427).
Show 7 more questionsShow fewer questions
Where did Dr. Robert B. Marcus Jr. go to medical school?
Dr. Marcus graduated from University Of Florida College Of Medicine in 1975.
What drugs does Dr. Robert B. Marcus Jr. prescribe most?
In 2017 Medicare Part D data, Dr. Marcus' most prescribed drugs by claims were Ondansetron ODT.
Has Dr. Robert B. Marcus Jr. received payments from drug or device companies?
CMS Open Payments shows $337 in general payments to Dr. Marcus from 6 companies from 2016 to 2018. The largest total came from Novocure Inc.
How long has Dr. Robert B. Marcus Jr. been practicing?
Dr. Marcus graduated from medical school in 1975, 51 years ago.
Does Dr. Robert B. Marcus Jr. do research?
Dmand AI links 100 publications to Dr. Marcus, published from 2006 to 2021.
Who does Dr. Robert B. Marcus Jr. publish with?
Dr. Marcus' most frequent co-authors are Nancy P. Mendenhall, MD (27 shared papers), William M. Mendenhall, MD (23 shared papers) and Daniel J. Indelicato, MD (20 shared papers).
What insurance does Dr. Robert B. Marcus Jr. accept?
Dr. Marcus is in network with 7 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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