Dr. Ariel Eyllsse Hirsch, MD
- Medicare services, 2024
- 1,106
- Medicare patients, 2024
- 96
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical groups
- 2
- Practice address
- 1 Boston Medical Center Place, Boston, MA 02118
- Practice phone
- Call (617) 638-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hirsch's professional email, personal email and mobile number
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Dr. Ariel Eyllsse Hirsch is a radiation oncologist in Boston, Massachusetts
Dr. Hirsch practices at Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System.
Dr. Hirsch's NPI, 1992783781, was assigned on January 3, 2006. Dr. Hirsch graduated from State University of New York Downstate Medical Center in 1999. Dr. Hirsch holds Massachusetts license 221091.
- NPI
- 1992783781NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204800030
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 638-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ariel Eyllsse Hirsch practices at Boston Medical Center in Boston, Massachusetts
Dr. Hirsch's primary practice is Boston Medical Center, at 1 Boston Medical Center Place, Boston, MA 02118 in Suffolk County. The practice phone is (617) 638-8000.
- Boston Medical Center1 Boston Medical Center Place, Boston, MA 02118 · Suffolk CountyPhone(617) 638-8000
Source: Dmand AI Affiliation Data
Dr. Ariel Eyllsse Hirsch is affiliated with 3 sites of care and 2 medical groups
Dr. Hirsch's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. The medical group on file is Boston Medical Center (BMC). Dmand AI also links Dr. Hirsch to 2 more group practices and clinics and 1 medical group, 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. Ariel Eyllsse Hirsch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hirsch practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ariel Eyllsse Hirsch is one of 186 radiation oncologists in Massachusetts
Radiation oncology is Dr. Hirsch's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Hirsch is licensed in Massachusetts.
Specialties and state licenses
- Radiation oncology, MassachusettsPrimary
Radiation oncologists near Dr. Hirsch
Counts of radiation oncologists 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. Ariel Eyllsse Hirsch billed Medicare for 1,106 services in 2024
CMS data shows 1,106 Medicare services from Dr. Hirsch across 15 procedure codes in 2024, for 96 Medicare patients. Medicare paid $79,067 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hirsch's Medicare services by type, 2024
- Imaging955
- Office and hospital visits115
- Other services36
Dr. Hirsch compared with the Massachusetts median for radiation oncologists, 2024
- Dr. Hirsch
- Massachusetts median
- Medicare services
- 1,106vs 1,161Close to median
- Medicare patients
- 96vs 17345% below
Medians across 182 radiation oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Hirsch'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.
Need commercial claims for Dr. Hirsch?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hirsch and other radiation oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ariel Eyllsse Hirsch treated 96 Medicare patients in 2024, average age 72
CMS counts 96 Medicare patients who saw Dr. Hirsch in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have cancer, and 75% have high blood pressure. 63% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hirsch's median patient age at 66, with 38% women.
Dr. Hirsch's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hirsch's Medicare patients by sex, 2024
- Women2728%
- Men6972%
Chronic conditions among Dr. Hirsch's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol52%
- Diabetes32%
- Chronic kidney disease24%
- Arthritis23%
- Mood disorders21%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hirsch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women38%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Ariel Eyllsse Hirsch takes part in Medicare
Dr. Hirsch accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ariel Eyllsse Hirsch received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Hirsch from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Calliditas Therapeutics US Inc. paid the most, $19.
Companies that paid Dr. Hirsch the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ariel Eyllsse Hirsch graduated from State University of New York Downstate Medical Center
Dr. Hirsch graduated from State University of New York Downstate Medical Center in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ariel Eyllsse Hirsch'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ariel Eyllsse Hirsch
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. Ariel Eyllsse Hirsch's NPI number?
Dr. Ariel Eyllsse Hirsch's NPI number is 1992783781. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ariel Eyllsse Hirsch?
Dr. Ariel Eyllsse Hirsch is a radiation oncologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Ariel Eyllsse Hirsch practice?
Dr. Hirsch practices at 1 Boston Medical Center Place, Boston, MA 02118. Dr. Hirsch's primary practice is Boston Medical Center in Boston, Massachusetts, part of Boston Medical Center Health System. Dmand AI also links Dr. Hirsch to 2 group practices and clinics and 1 medical group.
What is Dr. Ariel Eyllsse Hirsch's office phone number?
The practice phone on file for Dr. Hirsch is (617) 638-8000.
What is Dr. Ariel Eyllsse Hirsch's medical license number?
Dr. Hirsch holds Massachusetts license 221091.
Which hospitals is Dr. Ariel Eyllsse Hirsch affiliated with?
Dr. Hirsch practices at Boston Medical Center in Boston, Massachusetts.
What medical group is Dr. Ariel Eyllsse Hirsch part of?
Dr. Hirsch is linked to Boston Medical Center (BMC). Dmand AI links Dr. Hirsch to 1 more medical group.
Does Dr. Ariel Eyllsse Hirsch accept Medicare?
Yes. CMS data shows Dr. Hirsch billed Medicare for 1,106 services in 2024, and Dr. Hirsch accepts Medicare assignment.
How many Medicare patients does Dr. Ariel Eyllsse Hirsch see?
CMS counts 96 Medicare patients who saw Dr. Hirsch in 2024, with an average age of 72.
What services does Dr. Ariel Eyllsse Hirsch bill to Medicare?
In 2024, Dr. Hirsch's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).
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Where did Dr. Ariel Eyllsse Hirsch go to medical school?
Dr. Hirsch graduated from State University of New York Downstate Medical Center in 1999.
Has Dr. Ariel Eyllsse Hirsch received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Hirsch from 1 company from 2025 to 2025. The largest total came from Calliditas Therapeutics US Inc.
How long has Dr. Ariel Eyllsse Hirsch been practicing?
Dr. Hirsch graduated from medical school in 1999, 27 years ago.
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