Dr. Dean C. Xerras, MD
- Medicare services, 2024
- 431
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 4,769
- Publications
- 4
- Hospital affiliations
- 5
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Xerras' 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. Dean C. Xerras is an internist in Boston, Massachusetts
Dr. Xerras practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Xerras' NPI, 1750363768, was assigned on November 16, 2005. Dr. Xerras graduated from Tufts University School of Medicine in 1998. Dr. Xerras holds Massachusetts license 205721.
- NPI
- 1750363768NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426127705
- NPI enumeration date
- November 16, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dean C. Xerras practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Xerras' primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Dean C. Xerras is affiliated with 9 sites of care and 2 medical groups
Dr. Xerras' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Xerras is also affiliated with Lahey Clinic. The medical group on file is Massachusetts General Hospital. Dmand AI also links Dr. Xerras to 3 more hospitals, 2 group practices and clinics, 1 community health center, 1 home health agency and 1 medical group, each named with a free account. Dr. Xerras' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dean C. Xerras' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Xerras practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dean C. Xerras is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Xerras' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Xerras is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Xerras
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. Dean C. Xerras billed Medicare for 431 services in 2024
CMS data shows 431 Medicare services from Dr. Xerras across 4 procedure codes in 2024, for 193 Medicare patients. Medicare paid $23,396 for them. Every service was in an office.
Dr. Xerras' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3202024: 3375%
- Other services
- 2023: 02024: 94
Dr. Xerras compared with the Massachusetts median for internists, 2024
- Dr. Xerras
- Massachusetts median
- Medicare services
- 431vs 431Close to median
- Medicare patients
- 193vs 194Close to median
- Part D claims
- 4,099vs 40210.2 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Xerras' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Xerras and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dean C. Xerras treated 193 Medicare patients in 2024, average age 73
CMS counts 193 Medicare patients who saw Dr. Xerras in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 59% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Xerras' median patient age at 73, with 35% women.
Dr. Xerras' Medicare patients by age, 2024
Dr. Xerras' Medicare patients by sex, 2024
- Women8041%
- Men11359%
Chronic conditions among Dr. Xerras' Medicare patients, 2024
- High blood pressure75%
- High cholesterol59%
- Diabetes39%
- Arthritis35%
- Mood disorders30%
- Anxiety26%
- Depression26%
- Ischemic heart disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Xerras' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women35%
- Men65%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dean C. Xerras wrote 4,769 Medicare Part D claims in 2024
In 2024, Dr. Xerras wrote 4,769 Medicare Part D claims for 446 patients. 84% of them were for generic drugs. CMS names the drug for 4,099 of them, across 83 drugs with 11 or more claims each, at $514,287 in total drug cost. In 2023, CMS named 3,496 claims across 79 drugs.
Dr. Xerras' Part D claims by kind of drug, 2024
- Generic3,997 claims84%
- Brand-name698 claims15%
- Other74 claims2%
Dr. Xerras' 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. Xerras' Part D claims, 2024
- Opioids3%131 of 4,769 claims
- Antibiotics1%31 of 4,769 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: 3,4962024: 4,09917%
Drugs named by CMS: 83 in 2024, 79 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. Dean C. Xerras offers telehealth to Medicare patients
Dr. Xerras accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Xerras as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Dean C. Xerras has 4 publications on record
Dmand AI links 4 papers to Dr. Xerras, published from 2013 to 2022. The most frequent topics are Massachusetts. Dr. Xerras' most frequent co-authors are Joseph R. Betancourt, MD, Timothy Caradonna, MD, PhD and Jared Matthew Feldman.
Dr. Xerras' papers by year, 2013 to 2022
Topics Dr. Xerras writes about most
- Massachusetts
Dr. Xerras' most frequent co-authors
- Joseph R. Betancourt, MD2 shared papers
- Timothy Caradonna, MD, PhD1 shared paper
- Jared Matthew Feldman1 shared paper
Recent publications by Dr. Xerras
J Infect Dis
See who Dr. Xerras researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Xerras 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. Dean C. Xerras graduated from Tufts University School of Medicine
Dr. Xerras graduated from Tufts University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dean C. Xerras'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. Dean C. Xerras
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. Dean C. Xerras' NPI number?
Dr. Dean C. Xerras' NPI number is 1750363768. It was assigned on November 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Dean C. Xerras?
Dr. Dean C. Xerras is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dean C. Xerras practice?
Dr. Xerras practices at 55 Fruit Street, Boston, MA 02114. Dr. Xerras' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Xerras to 3 hospitals, 2 group practices and clinics, 1 community health center, 1 home health agency and 1 medical group.
What is Dr. Dean C. Xerras' office phone number?
The practice phone on file for Dr. Xerras is (617) 726-2000.
What is Dr. Dean C. Xerras' medical license number?
Dr. Xerras holds Massachusetts license 205721.
Which hospitals is Dr. Dean C. Xerras affiliated with?
Dr. Xerras practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Xerras is also affiliated with Lahey Clinic. Dmand AI links Dr. Xerras to 3 more hospitals.
What medical group is Dr. Dean C. Xerras part of?
Dr. Xerras is linked to Massachusetts General Hospital. Dmand AI links Dr. Xerras to 1 more medical group.
Does Dr. Dean C. Xerras accept Medicare?
Yes. CMS data shows Dr. Xerras billed Medicare for 431 services in 2024, and Dr. Xerras accepts Medicare assignment.
Does Dr. Dean C. Xerras offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Xerras as offering telehealth services.
How many Medicare patients does Dr. Dean C. Xerras see?
CMS counts 193 Medicare patients who saw Dr. Xerras in 2024, with an average age of 73.
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What services does Dr. Dean C. Xerras bill to Medicare?
In 2024, Dr. Xerras' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. Dean C. Xerras go to medical school?
Dr. Xerras graduated from Tufts University School of Medicine in 1998.
What drugs does Dr. Dean C. Xerras prescribe most?
In 2024 Medicare Part D data, Dr. Xerras' most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Lisinopril.
How long has Dr. Dean C. Xerras been practicing?
Dr. Xerras graduated from medical school in 1998, 28 years ago.
Does Dr. Dean C. Xerras do research?
Dmand AI links 4 publications to Dr. Xerras, published from 2013 to 2022.
Who does Dr. Dean C. Xerras publish with?
Dr. Xerras' most frequent co-authors are Joseph R. Betancourt, MD (2 shared papers), Timothy Caradonna, MD, PhD (1 shared paper) and Jared Matthew Feldman (1 shared paper).
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