Dr. J Marc Simard, MD, PhD
- Medicare services, 2022
- 14
- Hospital affiliations
- 1
- Industry payments
- $10,440
- Medical groups
- 2
- State license
- 1
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Simard'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. J Marc Simard is a neurosurgeon in Baltimore, Maryland
Dr. Simard practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Simard's NPI, 1326093790, was assigned on May 24, 2006. Dr. Simard graduated from Creighton University School of Medicine in 1980. Dr. Simard holds Maryland license D44232.
- NPI
- 1326093790NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052324076
- NPI enumeration date
- May 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. J Marc Simard practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Simard's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. J Marc Simard is affiliated with 1 site of care and 2 medical groups
Dr. Simard's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI also links Dr. Simard to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. J Marc Simard's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simard practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
| +1 medical group | 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 University of Maryland Medical System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. J Marc Simard is one of 134 neurosurgeons in Maryland
Neurological surgery is Dr. Simard's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Simard is licensed in Maryland.
Specialties and state licenses
- Neurological surgery, MarylandPrimary
Neurosurgeons near Dr. Simard
Counts of neurosurgeons 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. J Marc Simard billed Medicare for 14 services in 2022
CMS data shows 14 Medicare services from Dr. Simard across 1 procedure code in 2022, all of them office visits. Medicare paid $1,108 for them. Every service was in an office.
Dr. Simard's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 162022: 1413%
Dr. Simard compared with the Maryland median for neurosurgeons, 2022
- Dr. Simard
- Maryland median
- Medicare services
- 14vs 26995% below
Medians across 113 neurosurgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Simard's most billed Medicare procedure codes, 2022
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. Simard?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Simard and other neurosurgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. J Marc Simard's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Simard's median patient age at 60, with 62% women.
Dr. Simard's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
How Dr. J Marc Simard takes part in Medicare
Dr. Simard 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)
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. J Marc Simard received $10,440 in industry payments from 2017 to 2022
CMS Open Payments shows 26 general payments to Dr. Simard from 2 drug and device companies from 2017 to 2022. Travel and lodging make up the largest share, 90% of the total. Biogen, Inc. paid the most, $10,140. It also lists 3 research payments totaling $33,262 from 2017 to 2023.
General payments to Dr. Simard by program year, 2017 to 2022
General payments to Dr. Simard by kind, 2017 to 2022
- Travel and lodging$9,34490%
- Food and beverage$7968%
- Education$3003%
Companies that paid Dr. Simard the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. J Marc Simard graduated from Creighton University School of Medicine
Dr. Simard graduated from Creighton University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. J Marc Simard'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 |
| 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. J Marc Simard
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. J Marc Simard's NPI number?
Dr. J Marc Simard's NPI number is 1326093790. It was assigned on May 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. J Marc Simard?
Dr. J Marc Simard is a neurosurgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. J Marc Simard practice?
Dr. Simard practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Simard's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Simard to 1 medical group.
What is Dr. J Marc Simard's office phone number?
The practice phone on file for Dr. Simard is (410) 328-8667.
What is Dr. J Marc Simard's medical license number?
Dr. Simard holds Maryland license D44232.
Which hospitals is Dr. J Marc Simard affiliated with?
Dr. Simard practices at University of Maryland Medical Center in Baltimore, Maryland.
What medical group is Dr. J Marc Simard part of?
Dr. Simard is linked to R Adams Cowley Shock Trauma Center at the University of Maryland. Dmand AI links Dr. Simard to 1 more medical group.
Does Dr. J Marc Simard accept Medicare?
Yes. CMS data shows Dr. Simard billed Medicare for 14 services in 2022, and Dr. Simard accepts Medicare assignment.
What services does Dr. J Marc Simard bill to Medicare?
In 2022, Dr. Simard's most billed Medicare services were office visit, established patient (99213).
Where did Dr. J Marc Simard go to medical school?
Dr. Simard graduated from Creighton University School of Medicine in 1980.
Has Dr. J Marc Simard received payments from drug or device companies?
CMS Open Payments shows $10,440 in general payments to Dr. Simard from 2 companies from 2017 to 2022. The largest total came from Biogen, Inc.
How long has Dr. J Marc Simard been practicing?
Dr. Simard graduated from medical school in 1980, 46 years ago.
Selling to neurological surgery practices?
See neurosurgeons 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