Dr. Thomas Dean Sequist, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 809
- Publications
- 113
- Hospital affiliations
- 4
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sequist'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. Thomas Dean Sequist is an internist in Boston, Massachusetts
Dr. Sequist practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Sequist's NPI, 1982660288, was assigned on April 25, 2006. Dr. Sequist graduated from Harvard Medical School in 1999. Dr. Sequist holds Massachusetts license 213432.
- NPI
- 1982660288NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618169624
- NPI enumeration date
- April 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Dean Sequist practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Sequist's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Thomas Dean Sequist is affiliated with 7 sites of care and 1 medical group
Dr. Sequist's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Sequist is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Sequist to 2 more hospitals, 1 group practice or clinic, 1 home health agency and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Dean Sequist's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sequist practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas Dean Sequist is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Sequist's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sequist is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Sequist
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. Thomas Dean Sequist billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Sequist across 1 procedure code in 2024, all of them office visits, for 40 Medicare patients. Medicare paid $5,232 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sequist compared with the Massachusetts median for internists, 2024
- Dr. Sequist
- Massachusetts median
- Medicare services
- 72vs 43183% below
- Medicare patients
- 40vs 19479% below
- Part D claims
- 548vs 40236% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sequist'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. Sequist?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sequist and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Dean Sequist treated 40 Medicare patients in 2024, average age 76
CMS counts 40 Medicare patients who saw Dr. Sequist in 2024. The largest group is 75 to 84, with 16 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 28% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sequist's median patient age at 74, with 43% women.
Dr. Sequist's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Sequist's Medicare patients by sex, 2024
- Women1743%
- Men2357%
Chronic conditions among Dr. Sequist's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis53%
- Ischemic heart disease33%
- Chronic kidney disease30%
- Cancer28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sequist's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Dean Sequist wrote 809 Medicare Part D claims in 2024
In 2024, Dr. Sequist wrote 809 Medicare Part D claims for 76 patients. 88% of them were for generic drugs. CMS names the drug for 548 of them, across 20 drugs with 11 or more claims each, at $48,994 in total drug cost.
Dr. Sequist's Part D claims by kind of drug, 2024
- Generic714 claims88%
- Brand-name and other95 claims12%
Dr. Sequist's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
Dr. Thomas Dean Sequist offers telehealth to Medicare patients
Dr. Sequist accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sequist as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas Dean Sequist has 113 publications on record
Dmand AI links 113 papers to Dr. Sequist, published from 2005 to 2023. 2020 was the busiest year, with 11. The most frequent topics are Massachusetts, Primary Health Care and Electronic Health Records. Dr. Sequist has published most often in J Gen Intern Med. Dr. Sequist's most frequent co-authors are Nancy Elizabeth Morden, MD, Thomas Isaac, MD and Niteesh Kumar Choudhry, MD, PhD.
Dr. Sequist's papers by year, 2014 to 2023
Topics Dr. Sequist writes about most
- Massachusetts
- Primary Health Care
- Electronic Health Records
- Practice Patterns, Physicians'
- Indians, North American
- Quality of Health Care
- Diabetes Mellitus
- Healthcare Disparities
Dr. Sequist's most frequent co-authors
- Nancy Elizabeth Morden, MD12 shared papers
- Thomas Isaac, MD9 shared papers
- Niteesh Kumar Choudhry, MD, PhD7 shared papers
Recent publications by Dr. Sequist
J Bone Joint Surg Am
Annu Rev Public Health
See who Dr. Sequist researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sequist works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Dean Sequist graduated from Harvard Medical School
Dr. Sequist graduated from Harvard Medical School in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Dean Sequist'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 | Dmand AI Affiliation 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) |
| 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. Thomas Dean Sequist
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. Thomas Dean Sequist's NPI number?
Dr. Thomas Dean Sequist's NPI number is 1982660288. It was assigned on April 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Dean Sequist?
Dr. Thomas Dean Sequist is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Thomas Dean Sequist practice?
Dr. Sequist practices at 75 Francis Street, Boston, MA 02115. Dr. Sequist's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Sequist to 2 hospitals, 1 group practice or clinic, 1 home health agency and 1 hospital outpatient department.
What is Dr. Thomas Dean Sequist's office phone number?
The practice phone on file for Dr. Sequist is (617) 732-5500.
What is Dr. Thomas Dean Sequist's medical license number?
Dr. Sequist holds Massachusetts license 213432.
Which hospitals is Dr. Thomas Dean Sequist affiliated with?
Dr. Sequist practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Sequist is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Sequist to 2 more hospitals.
What medical group is Dr. Thomas Dean Sequist part of?
Dr. Sequist is linked to Brigham and Women's Hospital.
Does Dr. Thomas Dean Sequist accept Medicare?
Yes. CMS data shows Dr. Sequist billed Medicare for 72 services in 2024, and Dr. Sequist accepts Medicare assignment.
Does Dr. Thomas Dean Sequist offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sequist as offering telehealth services.
How many Medicare patients does Dr. Thomas Dean Sequist see?
CMS counts 40 Medicare patients who saw Dr. Sequist in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Thomas Dean Sequist bill to Medicare?
In 2024, Dr. Sequist's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Thomas Dean Sequist go to medical school?
Dr. Sequist graduated from Harvard Medical School in 1999.
What drugs does Dr. Thomas Dean Sequist prescribe most?
In 2024 Medicare Part D data, Dr. Sequist's most prescribed drugs by claims were Atorvastatin Calcium, Hydrochlorothiazide and Metoprolol Succinate.
How long has Dr. Thomas Dean Sequist been practicing?
Dr. Sequist graduated from medical school in 1999, 27 years ago.
Does Dr. Thomas Dean Sequist do research?
Dmand AI links 113 publications to Dr. Sequist, published from 2005 to 2023.
Who does Dr. Thomas Dean Sequist publish with?
Dr. Sequist's most frequent co-authors are Nancy Elizabeth Morden, MD (12 shared papers), Thomas Isaac, MD (9 shared papers) and Niteesh Kumar Choudhry, MD, PhD (7 shared papers).
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