Julia Siegel Breton, M.D.
Geriatric Medicine (Family Medicine) Physician · Cambridge, MA
Julia Siegel Breton, M.D. is a geriatric medicine (family medicine) physician with a practice address in Cambridge, Massachusetts, and NPI 1912267915, issued on May 23, 2012. Check the license (Massachusetts 262662, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Julia Siegel Breton
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- 262662 MA
Self-reported in NPPES; status is on the state search - Practice location
- 163 Gore St, Cambridge, MA 02141
- Phone
- (617) 575-5850
- Enumerated
- May 23, 2012
- Record last updated
- Oct 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210618000295); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 45 in Massachusetts → Look up another NPI →
Also registered at 163 Gore St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kidmalem Adamu, RNAmbulatory Care Registered Nurse1114736261
- John AhernFamily Medicine Physician1699397141
- Amy Allen, OTD, OTR/LOccupational Therapist1124675376
- Elizabeth Attreed, RNRegistered Nurse1194003905
- Chris Babbage, M.D.Psychiatry Physician1134350481
- Curtis Ballard, RNRegistered Nurse1629512769
Verify Julia Siegel Breton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 262662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
299 Medicare Part D claims for 79 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium17 claims
- Potassium Chloride17 claims
- Amlodipine Besylate14 claims
- Hydroxyzine Hcl13 claims
- Spironolactone13 claims
- Furosemide12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mcv Associated PhysiciansRichmond, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julia Siegel Breton among 45 geriatric medicine (family medicine) physician records in Massachusetts
Julia Siegel Breton, M.D. is one of 45 geriatric medicine (family medicine) physician records with a practice address in Massachusetts. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2012 · median 2003 among the 20 with a school on file
- Record last updated2016 · 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 207QG0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Family Medicine) Physician providers in Massachusetts
There are 45 geriatric medicine (family medicine) physician records in Massachusetts.
All 45 in Massachusetts → Every provider in Cambridge → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Anne Fabiny, M.D.Cambridge, MA 021391801992722
- Daphne Schneider, M. D.Somerville, MA 021431831160860
- Olivia Liff, M.D.Roslindale, MA 021311114360195
- Shereen Mohiuddin, M.D.East Boston, MA 021281013209824
- Elizabeth Nowak, MDMattapan, MA 021261871606426
- Bernice Wong, MDMattapan, MA 021261265412076
- Sarah Phillips, MDDorchester, MA 021251174961619
- Jerome Avorn, MDBoston, MA 021201811053440
Common questions
What is Julia Siegel Breton, M.D.'s NPI number?
Julia Siegel Breton, M.D.'s National Provider Identifier (NPI) is 1912267915, issued on May 23, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Julia Siegel Breton, M.D. located?
The NPPES record lists a practice address at 163 Gore St, Cambridge, MA, 02141. Phone: (617) 575-5850. Providers update this record themselves, so call before visiting.
How can I verify Julia Siegel Breton, M.D.'s license?
NPPES lists Massachusetts license number 262662, 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 Julia Siegel Breton, M.D. prescribe under Medicare Part D?
In 2024, Julia Siegel Breton, M.D. had 299 Medicare Part D claims for 79 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.
What is Julia Siegel Breton, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.