Dr. Jon Mark Hirshon, MD
- Medicare services, 2020
- 27
- Hospital affiliations
- 1
- Industry payments
- $34,800
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 10 North Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 605-7016
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hirshon'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. Jon Mark Hirshon is an emergency medicine physician in Baltimore, Maryland
Dr. Hirshon practices at Baltimore VA Medical Center in Baltimore, Maryland, part of Veterans Health Administration.
Dr. Hirshon's NPI, 1548223837, was assigned on April 8, 2006. Dr. Hirshon holds Maryland license D0044264.
- NPI
- 1548223837NPI Registry (opens in a new tab)
- NPI enumeration date
- April 8, 2006
- NPI status
- Active
- Practice phone
- (410) 605-7016
- 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. Jon Mark Hirshon practices at Baltimore VA Medical Center in Baltimore, Maryland
Dr. Hirshon's primary practice is Baltimore VA Medical Center, at 10 North Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 605-7016.
- Baltimore VA Medical Center10 North Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 605-7016
Source: Dmand AI Affiliation Data
Dr. Jon Mark Hirshon is affiliated with 1 site of care
Dr. Hirshon's primary practice is Baltimore VA Medical Center in Baltimore, Maryland, part of Veterans Health Administration. Dr. Hirshon's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jon Mark Hirshon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hirshon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baltimore VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jon Mark Hirshon is one of 1,057 emergency medicine physicians in Maryland
Emergency medicine is Dr. Hirshon's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Hirshon is licensed in Maryland.
Specialties and state licenses
- Emergency medicine, MarylandPrimary
Emergency medicine physicians near Dr. Hirshon
Counts of emergency medicine 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. Jon Mark Hirshon billed Medicare for 27 services in 2020
CMS data shows 27 Medicare services from Dr. Hirshon across 1 procedure code in 2020. Medicare paid $3,432 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hirshon's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1902020: 2786%
Dr. Hirshon compared with the Maryland median for emergency medicine physicians, 2020
- Dr. Hirshon
- Maryland median
- Medicare services
- 27vs 30091% below
Medians across 1,040 emergency medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Hirshon's most billed Medicare procedure codes, 2020
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. Hirshon?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hirshon and other emergency medicine physicians in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jon Mark Hirshon's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Hirshon's median patient age at 65, with 0% women.
Dr. Hirshon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jon Mark Hirshon received $34,800 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Hirshon from 3 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 75% of the total. Pfizer Inc. paid the most, $30,270.
General payments to Dr. Hirshon by program year, 2016 to 2025
General payments to Dr. Hirshon by kind, 2016 to 2025
- Consulting fees$26,07375%
- Grants$3,90411%
- Travel and lodging$3,51010%
- Food and beverage$1,3134%
Companies that paid Dr. Hirshon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jon Mark Hirshon'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 Data |
| 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. Jon Mark Hirshon
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. Jon Mark Hirshon's NPI number?
Dr. Jon Mark Hirshon's NPI number is 1548223837. It was assigned on April 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jon Mark Hirshon?
Dr. Jon Mark Hirshon is an emergency medicine physician in Baltimore, Maryland. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jon Mark Hirshon practice?
Dr. Hirshon practices at 10 North Greene Street, Baltimore, MD 21201. Dr. Hirshon's primary practice is Baltimore VA Medical Center in Baltimore, Maryland, part of Veterans Health Administration.
What is Dr. Jon Mark Hirshon's office phone number?
The practice phone on file for Dr. Hirshon is (410) 605-7016.
What is Dr. Jon Mark Hirshon's medical license number?
Dr. Hirshon holds Maryland license D0044264.
Which hospitals is Dr. Jon Mark Hirshon affiliated with?
Dr. Hirshon practices at Baltimore VA Medical Center in Baltimore, Maryland.
Does Dr. Jon Mark Hirshon accept Medicare?
Yes. CMS data shows Dr. Hirshon billed Medicare for 27 services in 2020.
What services does Dr. Jon Mark Hirshon bill to Medicare?
In 2020, Dr. Hirshon's most billed Medicare services were emergency department visit (99285).
Has Dr. Jon Mark Hirshon received payments from drug or device companies?
CMS Open Payments shows $34,800 in general payments to Dr. Hirshon from 3 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Jon Mark Hirshon been practicing?
Dr. Hirshon's NPI was assigned in 2006.
Selling to emergency medicine practices?
See emergency medicine physicians in Maryland by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card