Dean C. Xerras, MD
Internal Medicine Physician · Chelsea, MA
Dean C. Xerras, MD is an internal medicine physician with a practice address in Chelsea, Massachusetts, and NPI 1750363768, issued on Nov 16, 2005. Check the license (Massachusetts 205721, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Dean C. Xerras
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 205721 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Everett Ave, Chelsea, MA 02150
- Phone
- (617) 887-4600
- Enumerated
- Nov 16, 2005
- Record last updated
- Feb 12, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (617) 887-4646
- Medicaid ID
- 0192252 MA
- Medicare enrollment
- Enrolled (PECOS I20080513000731); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 100 Everett Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dean C. Xerras in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 205721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average internal medicine physician in 2024
4,769 Medicare Part D claims for 446 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 131 claims were for opioids.
Most prescribed
- Atorvastatin Calcium405 claims
- Omeprazole255 claims
- Lisinopril240 claims
- Gabapentin182 claims
- Metformin Hcl145 claims
- Metoprolol Succinate143 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- The General Hospital CorporationChelsea, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dean C. Xerras among 6,825 internal medicine physician records in Massachusetts
Dean C. Xerras, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2004 among the 4,103 with a school on file
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Chelsea
They are 36 of the 998 NPPES records with a practice address in Chelsea, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Chelsea → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sefik Abdulhayoglu, MDChelsea, MA 021501659358166
- Jose Abrego, MDChelsea, MA 021501205808722
- Nancy Adams, M.D.Chelsea, MA 021501649236365
- Wynne Armand, MDChelsea, MA 021501497745939
- Judith Fisch, MDChelsea, MA 021501487644126
- Herman Gomez, MDChelsea, MA 021501639153414
- Ann Kao, MDChelsea, MA 021501588643282
- Cindy Levine, M.D.Chelsea, MA 021501437137270
Common questions
What is Dean C. Xerras, MD's NPI number?
Dean C. Xerras, MD's National Provider Identifier (NPI) is 1750363768, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dean C. Xerras, MD located?
The NPPES record lists a practice address at 100 Everett Ave, Chelsea, MA, 02150. Phone: (617) 887-4600. Providers update this record themselves, so call before visiting.
How can I verify Dean C. Xerras, MD's license?
NPPES lists Massachusetts license number 205721, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dean C. Xerras, MD prescribe under Medicare Part D?
In 2024, Dean C. Xerras, MD had 4,769 Medicare Part D claims for 446 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.