Dr. Brian David Marriott, MD
- Medicare services, 2024
- 1,172
- Medicare patients, 2024
- 156
- Part D claims, 2024
- 1,376
- Hospital affiliations
- 5
- Medical group
- 1
- Practice address
- 244 Wood St, Lexington, MA 02421
- Practice phone
- Call (617) 253-4481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mit Health
Lexington, Massachusetts
Find Dr. Marriott's professional email, personal email and mobile number
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Dr. Brian David Marriott is a family medicine physician in Lexington, Massachusetts
Dr. Marriott practices at Mit Health in Lexington, Massachusetts.
Dr. Marriott's NPI, 1770577926, was assigned on September 2, 2005. Dr. Marriott graduated from Ohio State University College of Medicine in 1997. Dr. Marriott holds Massachusetts license 223018.
- NPI
- 1770577926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729046255
- NPI enumeration date
- September 2, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 253-4481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian David Marriott practices at Mit Health in Lexington, Massachusetts
Dr. Marriott's primary practice is Mit Health, at 244 Wood St, Lexington, MA 02421 in Middlesex County. The practice phone is (617) 253-4481.
- Mit Health244 Wood St, Lexington, MA 02421 · Middlesex CountyPhone(617) 253-4481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian David Marriott is affiliated with 8 sites of care and 1 medical group
Dr. Marriott's primary practice is Mit Health in Lexington, Massachusetts. Dr. Marriott is also affiliated with Massachusetts General Hospital. The medical group on file is MIT Health. Dmand AI also links Dr. Marriott to 4 more hospitals, 1 group practice or clinic and 1 home health agency, 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. Brian David Marriott's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marriott practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mit Health | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian David Marriott is one of 2,036 family medicine physicians in Massachusetts
Family medicine is Dr. Marriott's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marriott is licensed in Massachusetts.
Specialties and state licenses
- Family medicine, MassachusettsPrimary
Family medicine physicians near Dr. Marriott
Counts of family medicine 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. Brian David Marriott billed Medicare for 1,172 services in 2024
CMS data shows 1,172 Medicare services from Dr. Marriott across 20 procedure codes in 2024, for 156 Medicare patients. Medicare paid $53,400 for them. Every service was in an office.
Dr. Marriott's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5612024: 65116%
- Office and hospital visits
- 2023: 2912024: 2871%
- Other services
- 2023: 1402024: 1496%
- Tests and treatments
- 2023: 442024: 8593%
Dr. Marriott compared with the Massachusetts median for family medicine physicians, 2024
- Dr. Marriott
- Massachusetts median
- Medicare services
- 1,172vs 3613.2 times
- Medicare patients
- 156vs 156Close to median
- Part D claims
- 1,115vs 80838% above
Medians across 2,093 family medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Marriott'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. Brian David Marriott treated 156 Medicare patients in 2024, average age 78
CMS counts 156 Medicare patients who saw Dr. Marriott in 2024. The largest group is 75 to 84, with 67 patients. 68% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marriott's median patient age at 46, with 30% women.
Dr. Marriott's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marriott's Medicare patients by sex, 2024
- Women5737%
- Men9963%
Chronic conditions among Dr. Marriott's Medicare patients, 2024
- High cholesterol68%
- High blood pressure58%
- Arthritis26%
- Atrial fibrillation17%
- Cancer16%
- Anxiety15%
- Osteoporosis15%
- Mood disorders14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marriott's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women30%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian David Marriott wrote 1,376 Medicare Part D claims in 2024
In 2024, Dr. Marriott wrote 1,376 Medicare Part D claims for 141 patients. 86% of them were for generic drugs. CMS names the drug for 1,115 of them, across 26 drugs with 11 or more claims each, at $80,827 in total drug cost. In 2023, CMS named 1,054 claims across 19 drugs.
Dr. Marriott's Part D claims by kind of drug, 2024
- Generic1,190 claims86%
- Brand-name and other186 claims14%
Dr. Marriott'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.
Drug classes CMS tracks in Dr. Marriott's Part D claims, 2024
- Antibiotics1%19 of 1,376 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0542024: 1,1156%
Drugs named by CMS: 26 in 2024, 19 in 2023.
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. Brian David Marriott offers telehealth to Medicare patients
Dr. Marriott accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marriott as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brian David Marriott graduated from Ohio State University College of Medicine
Dr. Marriott graduated from Ohio State University College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brian David Marriott'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) |
| 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) |
| 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. Brian David Marriott
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. Brian David Marriott's NPI number?
Dr. Brian David Marriott's NPI number is 1770577926. It was assigned on September 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian David Marriott?
Dr. Brian David Marriott is a family medicine physician in Lexington, Massachusetts. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Brian David Marriott practice?
Dr. Marriott practices at 244 Wood St, Lexington, MA 02421. Dr. Marriott's primary practice is Mit Health in Lexington, Massachusetts. Dmand AI also links Dr. Marriott to 4 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Brian David Marriott's office phone number?
The practice phone on file for Dr. Marriott is (617) 253-4481.
What is Dr. Brian David Marriott's medical license number?
Dr. Marriott holds Massachusetts license 223018.
Which hospitals is Dr. Brian David Marriott affiliated with?
Dr. Marriott is affiliated with Massachusetts General Hospital. Dmand AI links Dr. Marriott to 4 more hospitals.
What medical group is Dr. Brian David Marriott part of?
Dr. Marriott is linked to MIT Health.
Does Dr. Brian David Marriott accept Medicare?
Yes. CMS data shows Dr. Marriott billed Medicare for 1,172 services in 2024, and Dr. Marriott accepts Medicare assignment.
Does Dr. Brian David Marriott offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marriott as offering telehealth services.
How many Medicare patients does Dr. Brian David Marriott see?
CMS counts 156 Medicare patients who saw Dr. Marriott in 2024, with an average age of 78.
Show 4 more questionsShow fewer questions
What services does Dr. Brian David Marriott bill to Medicare?
In 2024, Dr. Marriott's most billed Medicare services were office visit, established patient (99213), lab and pathology test (85025) and lab and pathology test (80061).
Where did Dr. Brian David Marriott go to medical school?
Dr. Marriott graduated from Ohio State University College of Medicine in 1997.
What drugs does Dr. Brian David Marriott prescribe most?
In 2024 Medicare Part D data, Dr. Marriott's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Hydrochlorothiazide.
How long has Dr. Brian David Marriott been practicing?
Dr. Marriott graduated from medical school in 1997, 29 years ago.
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