Dr. Gregory C. McDermott, MD
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 71
- Part D claims, 2024
- 399
- Publications
- 46
- 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. McDermott'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. Gregory C. McDermott is a rheumatologist in Boston, Massachusetts
Dr. McDermott practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. McDermott's NPI, 1184005506, was assigned on June 11, 2015. Dr. McDermott holds Massachusetts license 272905.
- NPI
- 1184005506NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406164003
- NPI enumeration date
- June 11, 2015
- 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
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory C. McDermott practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. McDermott'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. Gregory C. McDermott is affiliated with 5 sites of care and 1 medical group
Dr. McDermott's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. McDermott is also affiliated with Newton-Wellesley Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. McDermott to 2 more hospitals 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. Gregory C. McDermott's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McDermott practices, 5 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 |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory C. McDermott is one of 275 rheumatologists in Massachusetts
Rheumatology is Dr. McDermott's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. McDermott is licensed in Massachusetts.
Specialties and state licenses
- Rheumatology, MassachusettsPrimary
Rheumatologists near Dr. McDermott
Counts of rheumatologists 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. Gregory C. McDermott billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. McDermott across 3 procedure codes in 2024, all of them office visits, for 71 Medicare patients. Medicare paid $7,591 for them.
Dr. McDermott's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 522024: 111113%
Where Dr. McDermott's Medicare services took place, 2024
- In an office1816%
- In a facility9384%
Dr. McDermott compared with the Massachusetts median for rheumatologists, 2024
- Dr. McDermott
- Massachusetts median
- Medicare services
- 111vs 41273% below
- Medicare patients
- 71vs 20966% below
- Part D claims
- 315vs 50538% below
Medians across 268 rheumatologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. McDermott'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. Gregory C. McDermott treated 71 Medicare patients in 2024, average age 73
CMS counts 71 Medicare patients who saw Dr. McDermott in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 73% have arthritis. 25% are also on Medicaid. Their average risk score is 2.27, 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. McDermott's median patient age at 71, with 67% women.
Dr. McDermott's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McDermott's Medicare patients by sex, 2024
- Women4056%
- Men3144%
Chronic conditions among Dr. McDermott's Medicare patients, 2024
- High blood pressure75%
- Arthritis73%
- High cholesterol69%
- Mood disorders38%
- Anxiety37%
- Depression34%
- Ischemic heart disease30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. McDermott's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory C. McDermott wrote 399 Medicare Part D claims in 2024
In 2024, Dr. McDermott wrote 399 Medicare Part D claims for 66 patients. 71% of them were for generic drugs. CMS names the drug for 315 of them, across 14 drugs with 11 or more claims each, at $397,393 in total drug cost. In 2023, CMS named 254 claims across 9 drugs.
Dr. McDermott's Part D claims by kind of drug, 2024
- Generic283 claims71%
- Brand-name116 claims29%
Dr. McDermott'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. McDermott's Part D claims, 2024
- Opioids4%15 of 399 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: 2542024: 31524%
Drugs named by CMS: 14 in 2024, 9 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. Gregory C. McDermott offers telehealth to Medicare patients
Dr. McDermott accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. McDermott as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory C. McDermott has 46 publications on record
Dmand AI links 46 papers to Dr. McDermott, published from 2014 to 2025. 2024 was the busiest year, with 14. The most frequent topics are Arthritis, Rheumatoid, Lung Diseases, Interstitial and Lung. Dr. McDermott has published most often in Semin Arthritis Rheum. Dr. McDermott's most frequent co-authors are Jeffrey A. Sparks, MD, Tracy Jennifer Doyle, MD and Paul F. Dellaripa, MD.
Dr. McDermott's papers by year, 2014 to 2025
Topics Dr. McDermott writes about most
- Arthritis, Rheumatoid
- Lung Diseases, Interstitial
- Lung
- Disease Progression
- Genetic Predisposition to Disease
- Tomography, X-Ray Computed
- Antirheumatic Agents
- Smoking
Dr. McDermott's most frequent co-authors
- Jeffrey A. Sparks, MD32 shared papers
- Tracy Jennifer Doyle, MD16 shared papers
- Paul F. Dellaripa, MD13 shared papers
Recent publications by Dr. McDermott
See who Dr. McDermott researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. McDermott works with, so you can find a warm path to the right rheumatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory C. McDermott received $174 in industry payments from 2022 to 2023
CMS Open Payments shows 2 general payments to Dr. McDermott from 1 drug or device company from 2022 to 2023. Education make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $174.
General payments to Dr. McDermott by program year, 2022 to 2023
Companies that paid Dr. McDermott the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Gregory C. McDermott'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 |
| Industry payments | Open Payments (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. Gregory C. McDermott
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. Gregory C. McDermott's NPI number?
Dr. Gregory C. McDermott's NPI number is 1184005506. It was assigned on June 11, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory C. McDermott?
Dr. Gregory C. McDermott is a rheumatologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Gregory C. McDermott practice?
Dr. McDermott practices at 75 Francis Street, Boston, MA 02115. Dr. McDermott's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. McDermott to 2 hospitals and 1 hospital outpatient department.
What is Dr. Gregory C. McDermott's office phone number?
The practice phone on file for Dr. McDermott is (617) 732-5500.
What is Dr. Gregory C. McDermott's medical license number?
Dr. McDermott holds Massachusetts license 272905.
Which hospitals is Dr. Gregory C. McDermott affiliated with?
Dr. McDermott practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. McDermott is also affiliated with Newton-Wellesley Hospital. Dmand AI links Dr. McDermott to 2 more hospitals.
What medical group is Dr. Gregory C. McDermott part of?
Dr. McDermott is linked to Brigham and Women's Hospital.
Does Dr. Gregory C. McDermott accept Medicare?
Yes. CMS data shows Dr. McDermott billed Medicare for 111 services in 2024, and Dr. McDermott accepts Medicare assignment.
Does Dr. Gregory C. McDermott offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. McDermott as offering telehealth services.
How many Medicare patients does Dr. Gregory C. McDermott see?
CMS counts 71 Medicare patients who saw Dr. McDermott in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Gregory C. McDermott bill to Medicare?
In 2024, Dr. McDermott's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
What drugs does Dr. Gregory C. McDermott prescribe most?
In 2024 Medicare Part D data, Dr. McDermott's most prescribed drugs by claims were Prednisone, Diclofenac Sodium and Actemra.
Has Dr. Gregory C. McDermott received payments from drug or device companies?
CMS Open Payments shows $174 in general payments to Dr. McDermott from 1 company from 2022 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Gregory C. McDermott been practicing?
Dr. McDermott graduated from medical school in 2015, 11 years ago.
Does Dr. Gregory C. McDermott do research?
Dmand AI links 46 publications to Dr. McDermott, published from 2014 to 2025.
Who does Dr. Gregory C. McDermott publish with?
Dr. McDermott's most frequent co-authors are Jeffrey A. Sparks, MD (32 shared papers), Tracy Jennifer Doyle, MD (16 shared papers) and Paul F. Dellaripa, MD (13 shared papers).
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