Dr. Robert Thomas Sexton, MD
- Medicare services, 2024
- 1,087
- Medicare patients, 2024
- 269
- Part D claims, 2024
- 36
- 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
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Dr. Robert Thomas Sexton is an internist in Stony Brook, New York
Dr. Sexton practices at Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University.
Dr. Sexton's NPI, 1528563863, was assigned on March 28, 2018. Dr. Sexton holds New York license 317866.
- NPI
- 1528563863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507103934
- NPI enumeration date
- March 28, 2018
- 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
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Thomas Sexton practices at 2 locations in Stony Brook, New York
Dr. Sexton'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. Sexton 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 Thomas Sexton is affiliated with 2 sites of care and 1 medical group
Dr. Sexton'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 Internists. Dmand AI also links Dr. Sexton 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 Thomas Sexton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sexton 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
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Stony Brook University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert Thomas Sexton is one of 9,643 internists in New York
Internal medicine is Dr. Sexton's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sexton is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Sexton
Counts of internists 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 Thomas Sexton billed Medicare for 1,087 services in 2024
CMS data shows 1,087 Medicare services from Dr. Sexton across 4 procedure codes in 2024, for 269 Medicare patients. Medicare paid $78,062 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sexton's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8552024: 1,08727%
Dr. Sexton compared with the New York median for internists, 2024
- Dr. Sexton
- New York median
- Medicare services
- 1,087vs 4262.6 times
- Medicare patients
- 269vs 15870% above
- Part D claims
- 36vs 62294% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Sexton'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Thomas Sexton treated 269 Medicare patients in 2024, average age 77
CMS counts 269 Medicare patients who saw Dr. Sexton in 2024. The largest group is 75 to 84, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.88, 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. Sexton's median patient age at 72, with 54% women.
Dr. Sexton's Medicare patients by age, 2024
Dr. Sexton's Medicare patients by sex, 2024
- Women12747%
- Men14253%
Chronic conditions among Dr. Sexton's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis59%
- Mood disorders55%
- Chronic kidney disease53%
- Diabetes53%
- Anxiety49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sexton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women54%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Thomas Sexton wrote 36 Medicare Part D claims in 2024
In 2024, Dr. Sexton wrote 36 Medicare Part D claims for 21 patients. 92% of them were for generic drugs. They cover 2 drugs, with $860 in total drug cost. In 2021, CMS named 52 claims across 3 drugs.
Dr. Sexton's Part D claims by kind of drug, 2024
- Generic33 claims92%
- Brand-name and other3 claims8%
Dr. Sexton's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sexton's Part D claims, 2024
- Antibiotics33%12 of 36 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 522022: 3631%
Drugs named by CMS: 2 in 2022, 3 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Robert Thomas Sexton takes part in Medicare
Dr. Sexton 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)
For MedTech and pharma teams
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Sources for Dr. Robert Thomas Sexton'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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 Thomas Sexton
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 Thomas Sexton's NPI number?
Dr. Robert Thomas Sexton's NPI number is 1528563863. It was assigned on March 28, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Thomas Sexton?
Dr. Robert Thomas Sexton is an internist in Stony Brook, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Thomas Sexton practice?
Dr. Sexton practices at Health Sciences Center Suny, Stony Brook, NY 11794. Dr. Sexton also practices at 101 Nicolls Rd, Stony Brook, NY 11794. Dr. Sexton's primary practice is Stony Brook University Hospital in Stony Brook, New York, part of Stony Brook University. Dmand AI also links Dr. Sexton to 1 clinical lab.
What is Dr. Robert Thomas Sexton's office phone number?
The practice phone on file for Dr. Sexton is (631) 444-4000.
What is Dr. Robert Thomas Sexton's medical license number?
Dr. Sexton holds New York license 317866.
Which hospitals is Dr. Robert Thomas Sexton affiliated with?
Dr. Sexton practices at Stony Brook University Hospital in Stony Brook, New York.
What medical group is Dr. Robert Thomas Sexton part of?
Dr. Sexton is linked to Stony Brook Internists.
Does Dr. Robert Thomas Sexton accept Medicare?
Yes. CMS data shows Dr. Sexton billed Medicare for 1,087 services in 2024, and Dr. Sexton accepts Medicare assignment.
How many Medicare patients does Dr. Robert Thomas Sexton see?
CMS counts 269 Medicare patients who saw Dr. Sexton in 2024, with an average age of 77.
What services does Dr. Robert Thomas Sexton bill to Medicare?
In 2024, Dr. Sexton's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99239).
What drugs does Dr. Robert Thomas Sexton prescribe most?
In 2022 Medicare Part D data, Dr. Sexton's most prescribed drugs by claims were Atorvastatin Calcium and Metformin HCl.
How long has Dr. Robert Thomas Sexton been practicing?
Dr. Sexton graduated from medical school in 2018, 8 years ago.
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