Dr. Joel N. Hirschhorn, MD, PhD
- Part D claims, 2021
- 20
- Hospital affiliations
- 1
- Industry payments
- $15,698
- Medical group
- 1
- State license
- 1
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hirschhorn's 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. Joel N. Hirschhorn is a pediatric endocrinology physician in Boston, Massachusetts
Dr. Hirschhorn practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Hirschhorn's NPI, 1063597805, was assigned on October 26, 2006. Dr. Hirschhorn holds Massachusetts license 205112.
- NPI
- 1063597805NPI Registry (opens in a new tab)
- NPI enumeration date
- October 26, 2006
- NPI status
- Active
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joel N. Hirschhorn practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Hirschhorn's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Joel N. Hirschhorn is affiliated with 2 sites of care and 1 medical group
Dr. Hirschhorn's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital. Dmand AI also links Dr. Hirschhorn to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joel N. Hirschhorn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hirschhorn practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joel N. Hirschhorn is one of 95 pediatric endocrinology physicians in Massachusetts
Pediatric endocrinology is Dr. Hirschhorn's primary specialty in the NPI Registry, under taxonomy code 2080P0205X. Dr. Hirschhorn is licensed in Massachusetts.
Specialties and state licenses
- Pediatric endocrinology, MassachusettsPrimary
Pediatric endocrinology physicians near Dr. Hirschhorn
Counts of pediatric endocrinology physicians 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. Joel N. Hirschhorn's patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Hirschhorn's median patient age at 13, with 44% women.
Dr. Hirschhorn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women44%
- Men54%
Source: Dmand AI Patient Panel Data
Dr. Joel N. Hirschhorn wrote 20 Medicare Part D claims in 2021
In 2021, Dr. Hirschhorn wrote 20 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $631 in total drug cost. In 2020, CMS named 22 claims across 1 drug.
Dr. Hirschhorn's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 222021: 209%
Drugs named by CMS: 1 in 2021, 1 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Joel N. Hirschhorn received $15,698 in industry payments from 2016 to 2021
CMS Open Payments shows 9 general payments to Dr. Hirschhorn from 3 drug and device companies from 2016 to 2021. Travel and lodging make up the largest share, 69% of the total. Hexal AG paid the most, $13,528.
General payments to Dr. Hirschhorn by program year, 2016 to 2021
General payments to Dr. Hirschhorn by kind, 2016 to 2021
- Travel and lodging$10,79469%
- Consulting fees$4,83031%
- Food and beverage$740%
Companies that paid Dr. Hirschhorn the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joel N. Hirschhorn'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Joel N. Hirschhorn
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. Joel N. Hirschhorn's NPI number?
Dr. Joel N. Hirschhorn's NPI number is 1063597805. It was assigned on October 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joel N. Hirschhorn?
Dr. Joel N. Hirschhorn is a pediatric endocrinology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Endocrinology Physician (taxonomy code 2080P0205X).
Where does Dr. Joel N. Hirschhorn practice?
Dr. Hirschhorn practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Hirschhorn's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Hirschhorn to 1 dialysis center.
What is Dr. Joel N. Hirschhorn's office phone number?
The practice phone on file for Dr. Hirschhorn is (617) 735-6000.
What is Dr. Joel N. Hirschhorn's medical license number?
Dr. Hirschhorn holds Massachusetts license 205112.
Which hospitals is Dr. Joel N. Hirschhorn affiliated with?
Dr. Hirschhorn practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Dr. Joel N. Hirschhorn part of?
Dr. Hirschhorn is linked to Boston Children's Hospital.
What drugs does Dr. Joel N. Hirschhorn prescribe most?
In 2021 Medicare Part D data, Dr. Hirschhorn's most prescribed drugs by claims were Hydrocortisone.
Has Dr. Joel N. Hirschhorn received payments from drug or device companies?
CMS Open Payments shows $15,698 in general payments to Dr. Hirschhorn from 3 companies from 2016 to 2021. The largest total came from Hexal AG.
How long has Dr. Joel N. Hirschhorn been practicing?
Dr. Hirschhorn's NPI was assigned in 2006.
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