Mult Scler Relat Disord
Demyelinating DiseasesDisease ProgressionMagnetic Resonance Imaging
Dr. Robert Peyster, MD
NPI1750318986PAC ID6103845904
- Medicare services, 2024
- 13,936
- Medicare patients, 2024
- 2,462
- Publications
- 5
- Hospital affiliations
- 2
- Industry payments
- $1,293
- 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
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Dr. Robert Peyster is a neuroradiologist in Stony Brook, New York
Dr. Peyster practices at Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University.
Dr. Peyster's NPI, 1750318986, was assigned on June 26, 2006. Dr. Peyster graduated from State University of New York Downstate Medical Center in 1973. Dr. Peyster holds New York license 193678.
NPI and contact details
- NPI
- 1750318986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6103845904
- NPI enumeration date
- June 26, 2006
- 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
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Peyster practices at 2 locations in Stony Brook, New York
Dr. Peyster'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. Peyster 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 Peyster is affiliated with 3 sites of care and 2 medical groups
Dr. Peyster's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dr. Peyster is also affiliated with Mather Hospital. The medical group on file is Stony Brook Radiology. Dmand AI also links Dr. Peyster to 1 more clinical lab and 1 medical group, each named with a free account.
Mather HospitalStony Brook Radiology1 clinical labName with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. PeysterSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Peyster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peyster practices, 3 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Peyster is one of 148 neuroradiologists in New York
Neuroradiology is Dr. Peyster's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dr. Peyster is licensed in New York.
Specialties and state licenses
- Neuroradiology, New YorkPrimary
Neuroradiologists near Dr. Peyster
Counts of neuroradiologists with a Dmand AI profile, by place and practice. Each opens the list.
148neuroradiologists in New York
6neuroradiologists in Stony Brook
4neuroradiologists at Stony Brook University HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Peyster billed Medicare for 13,936 services in 2024
CMS data shows 13,936 Medicare services from Dr. Peyster across 20 procedure codes in 2024, for 2,462 Medicare patients. Medicare paid $266,039 for them.
Medicare services, 202413,936
Medicare patients2,462
Paid by Medicare$266,039
Procedure codes20
Dr. Peyster's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 9,3312024: 9,3791%
- Imaging
- 2023: 3,9702024: 4,53714%
- Lab and pathology
- 2023: 442024: 2055%
Where Dr. Peyster's Medicare services took place, 2024
- In an office9,74470%
- In a facility4,19230%
Dr. Peyster compared with the New York median for neuroradiologists, 2024
- Dr. Peyster
- New York median
- Medicare services
- 13,936vs 3,9183.6 times
- Medicare patients
- 2,462vs 9712.5 times
Medians across 138 neuroradiologists in New York with Dmand AI profiles that report each measure.
Dr. Peyster'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.
Need commercial claims for Dr. Peyster?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peyster and other neuroradiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Peyster treated 2,462 Medicare patients in 2024, average age 77
CMS counts 2,462 Medicare patients who saw Dr. Peyster in 2024. The largest group is 75 to 84, with 937 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.01, 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. Peyster's median patient age at 57, with 56% women.
Medicare patients, 20242,462
Average age77
Average risk score2.01
Also on Medicaid23%
Dr. Peyster's Medicare patients by age, 2024
Dr. Peyster's Medicare patients by sex, 2024
- Women1,37856%
- Men1,08444%
Chronic conditions among Dr. Peyster's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Ischemic heart disease53%
- Mood disorders47%
- Anxiety42%
- Depression41%
- Diabetes41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peyster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Robert Peyster takes part in Medicare
Dr. Peyster 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 Peyster has 5 publications on record
Dmand AI links 5 papers to Dr. Peyster, published from 2013 to 2020. The most frequent topics are Magnetic Resonance Imaging, Disease Progression and Multiple Sclerosis. Dr. Peyster has published most often in Mult Scler Relat Disord. Dr. Peyster's most frequent co-authors are Lev Y. Bangiyev, DO, Patricia K. Coyle, MD and Ammar Ahmed Chaudhry, MD.
Papers5
Years published2013 to 2020
Dr. Peyster's papers by year, 2013 to 2020
Topics Dr. Peyster writes about most
- Magnetic Resonance Imaging
- Disease Progression
- Multiple Sclerosis
Dr. Peyster's most frequent co-authors
- Lev Y. Bangiyev, DO3 shared papers
- Patricia K. Coyle, MD2 shared papers
- Ammar Ahmed Chaudhry, MD1 shared paper
Recent publications by Dr. Peyster
Mult Scler Relat Disord
BrainDisease ProgressionMagnetic Resonance Imaging
Aortic CoarctationCerebral Infarction
Clin Imaging
CraniopharyngiomaDiagnosis, DifferentialFourth Ventricle
ComorbidityCost-Benefit AnalysisDecompression, Surgical
See who Dr. Peyster researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Peyster works with, so you can find a warm path to the right neuroradiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Peyster received $1,293 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Peyster from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Biogen, Inc. paid the most, $776.
General payments to Dr. Peyster by program year, 2016 to 2025
Companies that paid Dr. Peyster the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Peyster graduated from State University of New York Downstate Medical Center
Dr. Peyster graduated from State University of New York Downstate Medical Center in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Peyster'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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Peyster
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 Peyster's NPI number?
Dr. Robert Peyster's NPI number is 1750318986. It was assigned on June 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Peyster?
Dr. Robert Peyster is a neuroradiologist in Stony Brook, New York. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Robert Peyster practice?
Dr. Peyster practices at Health Sciences Center Suny, Stony Brook, NY 11794. Dr. Peyster also practices at 101 Nicolls Rd, Stony Brook, NY 11794. Dr. Peyster's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dmand AI also links Dr. Peyster to 1 clinical lab and 1 medical group.
What is Dr. Robert Peyster's office phone number?
The practice phone on file for Dr. Peyster is (631) 444-4000.
What is Dr. Robert Peyster's medical license number?
Dr. Peyster holds New York license 193678.
Which hospitals is Dr. Robert Peyster affiliated with?
Dr. Peyster practices at Stony Brook University Hospital in Stony Brook, New York. Dr. Peyster is also affiliated with Mather Hospital.
What medical group is Dr. Robert Peyster part of?
Dr. Peyster is linked to Stony Brook Radiology. Dmand AI links Dr. Peyster to 1 more medical group.
Does Dr. Robert Peyster accept Medicare?
Yes. CMS data shows Dr. Peyster billed Medicare for 13,936 services in 2024, and Dr. Peyster accepts Medicare assignment.
How many Medicare patients does Dr. Robert Peyster see?
CMS counts 2,462 Medicare patients who saw Dr. Peyster in 2024, with an average age of 77.
What services does Dr. Robert Peyster bill to Medicare?
In 2024, Dr. Peyster's most billed Medicare services were medical supplies or transport (A9585), medicare temporary code (Q9967) and diagnostic imaging (70450).
Show 5 more questionsShow fewer questions
Where did Dr. Robert Peyster go to medical school?
Dr. Peyster graduated from State University of New York Downstate Medical Center in 1973.
Has Dr. Robert Peyster received payments from drug or device companies?
CMS Open Payments shows $1,293 in general payments to Dr. Peyster from 5 companies from 2016 to 2025. The largest total came from Biogen, Inc.
How long has Dr. Robert Peyster been practicing?
Dr. Peyster graduated from medical school in 1973, 53 years ago.
Does Dr. Robert Peyster do research?
Dmand AI links 5 publications to Dr. Peyster, published from 2013 to 2020.
Who does Dr. Robert Peyster publish with?
Dr. Peyster's most frequent co-authors are Lev Y. Bangiyev, DO (3 shared papers), Patricia K. Coyle, MD (2 shared papers) and Ammar Ahmed Chaudhry, MD (1 shared paper).
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