Ariel Eyllsse Hirsch, MD
Radiation Oncology Physician · Boston, MA
Ariel Eyllsse Hirsch, MD is a radiation oncology physician with a practice address in Boston, Massachusetts, and NPI 1992783781, issued on Jan 3, 2006. Check the license (Massachusetts 221091, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ariel Eyllsse Hirsch
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 221091 MA
Self-reported in NPPES; status is on the state search - Practice location
- 830 Harrison Ave, Boston, MA 02118
- Phone
- (617) 638-7070
- Enumerated
- Jan 3, 2006
- Record last updated
- Mar 3, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 638-7037
- Medicaid ID
- 110038822A MA
- Medicare enrollment
- Enrolled (PECOS I20040825001500); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1999
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Also registered at 830 Harrison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shanita Abrahams Malcolm, LCSWClinical Social Worker1679458236
- Samantha Ashinoff, MS, CCC-SLPSpeech-Language Pathologist1801579214
- Rita Blanchard, M.D.Hematology (Internal Medicine) Physician1295710341
- Elizabeth Bowers, NPHospice and Palliative Medicine (Internal Medicine) Physician1477821346
- Dina Brauneis, NPFamily Nurse Practitioner1831487065
- Mamie Cantor, PA-CPhysician Assistant1548634363
Verify Ariel Eyllsse Hirsch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 221091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Boston University Radiation Oncology IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ariel Eyllsse Hirsch among 241 radiation oncology physician records in Massachusetts
Ariel Eyllsse Hirsch, MD is one of 241 radiation oncology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1999 · median 2006 among the 172 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Massachusetts
There are 241 radiation oncology physician records in Massachusetts.
All 241 in Massachusetts → Every provider in Boston → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Michael Dyer, M.D.Boston, MA 021181851659130
- Kimberley Mak, M.D., M.P.H.Boston, MA 021181891015350
- Akash Parekh, MDBoston, MA 021181073963732
- Geoffrey SedorBoston, MA 021181770162042
- Minh Truong, MDBoston, MA 021181316937436
- Sherry Yan, M.D.Boston, MA 021181689035503
- Hannah Roberts, MDBoston, MA 021161437682986
- Jenna Adleman, MDBoston, MA 021151528613833
Common questions
What is Ariel Eyllsse Hirsch, MD's NPI number?
Ariel Eyllsse Hirsch, MD's National Provider Identifier (NPI) is 1992783781, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ariel Eyllsse Hirsch, MD located?
The NPPES record lists a practice address at 830 Harrison Ave, Boston, MA, 02118. Phone: (617) 638-7070. Providers update this record themselves, so call before visiting.
How can I verify Ariel Eyllsse Hirsch, MD's license?
NPPES lists Massachusetts license number 221091, 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.
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.