Prehosp Disaster Med
ElectrocardiographyEmergency Medical ServicesEmergency Medical Technicians
Dr. Robert T. Marshall, MD
NPI1740541663PAC ID7618280363
- Medicare services, 2024
- 526
- Medicare patients, 2024
- 494
- Publications
- 8
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- Health Sciences Center Suny, Stony Brook, NY 11794
- Practice phone
- Call (631) 444-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marshall's 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 T. Marshall is an emergency medicine physician in Stony Brook, New York
Dr. Marshall practices at Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University.
Dr. Marshall's NPI, 1740541663, was assigned on June 7, 2012. Dr. Marshall graduated from Pennsylvania State University College of Medicine in 2012. Dr. Marshall holds New York license 283170.
NPI and contact details
- NPI
- 1740541663NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618280363
- NPI enumeration date
- June 7, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 444-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert T. Marshall practices at 2 locations in Stony Brook, New York
Dr. Marshall's primary practice is Stony Brook University Hospital, at Health Sciences Center Suny, Stony Brook, NY 11794 in Suffolk County. The practice phone is (631) 444-4000. Dr. Marshall also practices at Stony Brook University Hospital, 101 Nicolls Rd, Stony Brook, NY 11794.
- Stony Brook University HospitalPrimaryHealth Sciences Center Suny, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4000
- Stony Brook University Hospital101 Nicolls Rd, Stony Brook, NY 11794 · Suffolk CountyPhone(631) 444-4100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Robert T. Marshall is affiliated with 2 sites of care and 1 medical group
Dr. Marshall's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. The medical group on file is Stony Brook Emergency Physicians. Dmand AI also links Dr. Marshall to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert T. Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stony Brook University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Robert T. Marshall is one of 3,709 emergency medicine physicians in New York
Emergency medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Marshall's licenses on file in 2 states: New York and Massachusetts.
Specialties and state licenses
- Emergency medicine, New YorkPrimary
- Massachusetts license
Emergency medicine physicians near Dr. Marshall
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
3,709emergency medicine physicians in New York57emergency medicine physicians in Stony Brook46emergency medicine physicians at Stony Brook University Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert T. Marshall billed Medicare for 526 services in 2024
CMS data shows 526 Medicare services from Dr. Marshall across 5 procedure codes in 2024, for 494 Medicare patients. Medicare paid $70,536 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024526
Medicare patients494
Paid by Medicare$70,536
Procedure codes5
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4612024: 4794%
- Tests and treatments
- 2023: 252024: 4788%
Dr. Marshall compared with the New York median for emergency medicine physicians, 2024
- Dr. Marshall
- New York median
- Medicare services
- 526vs 2192.4 times
- Medicare patients
- 494vs 2162.3 times
Medians across 3,510 emergency medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Marshall's most billed Medicare procedure codes, 2024
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. Marshall and other emergency medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert T. Marshall treated 494 Medicare patients in 2024, average age 77
CMS counts 494 Medicare patients who saw Dr. Marshall in 2024. The largest group is 75 to 84, with 187 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.42, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 59, with 54% women.
Medicare patients, 2024494
Average age77
Average risk score2.42
Also on Medicaid27%
Dr. Marshall's Medicare patients by age, 2024
Dr. Marshall's Medicare patients by sex, 2024
- Women25952%
- Men23548%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis57%
- Diabetes46%
- Mood disorders46%
- Anxiety44%
- Depression42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert T. Marshall takes part in Medicare
Dr. Marshall 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 T. Marshall has 8 publications on record
Dmand AI links 8 papers to Dr. Marshall, published from 2012 to 2020. 2020 was the busiest year, with 3. The most frequent topics are Emergency Medical Services, Allied Health Personnel and Patient Care. Dr. Marshall has published most often in Prehosp Disaster Med. Dr. Marshall's most frequent co-authors are Lauren Marie Maloney, MD, Joseph C. Tennyson, MD and Vineet Arora.
Papers8
Years published2012 to 2020
Dr. Marshall's papers by year, 2012 to 2020
Topics Dr. Marshall writes about most
- Emergency Medical Services
- Allied Health Personnel
- Patient Care
Dr. Marshall's most frequent co-authors
- Lauren Marie Maloney, MD3 shared papers
- Joseph C. Tennyson, MD2 shared papers
- Vineet Arora1 shared paper
Recent publications by Dr. Marshall
Prehosp Disaster Med
Allied Health PersonnelAmbulancesEmergency Medical Services
West J Emerg Med
Allied Health PersonnelClinical Decision-MakingEmergency Medical Services
Prehosp Disaster Med
Allied Health PersonnelCurriculumEmergency Medical Services
Prehosp Disaster Med
Cardiopulmonary ResuscitationEmergency Medical ServicesOut-of-Hospital Cardiac Arrest
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert T. Marshall graduated from Pennsylvania State University College of Medicine
Dr. Marshall graduated from Pennsylvania State University College of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert T. Marshall'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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 T. Marshall
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 T. Marshall's NPI number?
Dr. Robert T. Marshall's NPI number is 1740541663. It was assigned on June 7, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert T. Marshall?
Dr. Robert T. Marshall is an emergency medicine physician in Stony Brook, New York. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert T. Marshall practice?
Dr. Marshall practices at Health Sciences Center Suny, Stony Brook, NY 11794. Dr. Marshall also practices at 101 Nicolls Rd, Stony Brook, NY 11794. Dr. Marshall's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dmand AI also links Dr. Marshall to 1 clinical lab.
What is Dr. Robert T. Marshall's office phone number?
The practice phone on file for Dr. Marshall is (631) 444-4000.
What is Dr. Robert T. Marshall's medical license number?
Dr. Marshall holds New York license 283170, one of the licenses on file in 2 states.
Which states has Dr. Robert T. Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in New York and Massachusetts.
Which hospitals is Dr. Robert T. Marshall affiliated with?
Dr. Marshall practices at Stony Brook University Hospital in Stony Brook, New York.
What medical group is Dr. Robert T. Marshall part of?
Dr. Marshall is linked to Stony Brook Emergency Physicians.
Does Dr. Robert T. Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 526 services in 2024, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. Robert T. Marshall see?
CMS counts 494 Medicare patients who saw Dr. Marshall in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Robert T. Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93042).
Where did Dr. Robert T. Marshall go to medical school?
Dr. Marshall graduated from Pennsylvania State University College of Medicine in 2012.
How long has Dr. Robert T. Marshall been practicing?
Dr. Marshall graduated from medical school in 2012, 14 years ago.
Does Dr. Robert T. Marshall do research?
Dmand AI links 8 publications to Dr. Marshall, published from 2012 to 2020.
Who does Dr. Robert T. Marshall publish with?
Dr. Marshall's most frequent co-authors are Lauren Marie Maloney, MD (3 shared papers), Joseph C. Tennyson, MD (2 shared papers) and Vineet Arora (1 shared paper).
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