Dr. Mark Darryl Antonacci, MD
- Hospital affiliations
- 1
- Industry payments
- $206,611
- Medical group
- 1
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 100 Woods Rd, Valhalla, NY 10595
- Practice phone
- Call (914) 493-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Antonacci'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. Mark Darryl Antonacci is an orthopedic surgeon in Valhalla, New York
Dr. Antonacci practices at Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network.
Dr. Antonacci's NPI, 1659349363, was assigned on March 9, 2006. Dr. Antonacci holds New Jersey license 25MA06999100.
- NPI
- 1659349363NPI Registry (opens in a new tab)
- NPI enumeration date
- March 9, 2006
- NPI status
- Active
- Practice phone
- (914) 493-7000
- 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. Mark Darryl Antonacci practices at Westchester Medical Center in Valhalla, New York
Dr. Antonacci's primary practice is Westchester Medical Center, at 100 Woods Rd, Valhalla, NY 10595 in Westchester County. The practice phone is (914) 493-7000.
- Westchester Medical Center100 Woods Rd, Valhalla, NY 10595 · Westchester CountyPhone(914) 493-7000
Source: Dmand AI Affiliation Data
Dr. Mark Darryl Antonacci is affiliated with 2 sites of care and 1 medical group
Dr. Antonacci's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Antonacci to 1 group practice or clinic 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. Mark Darryl Antonacci's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antonacci practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Medical Center | Available with a free account |
| +1 more site and 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 Westchester Medical Center Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Darryl Antonacci is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Antonacci's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Antonacci's licenses on file in 3 states: New Jersey, New York and Pennsylvania.
Specialties and state licenses
- Orthopaedic surgery, New JerseyPrimary
- New York license
- Pennsylvania license
Orthopedic surgeons near Dr. Antonacci
Counts of orthopedic surgeons 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. Mark Darryl Antonacci's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Dr. Antonacci's median patient age at 22, with 77% women.
Dr. Antonacci's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women77%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Mark Darryl Antonacci received $206,611 in industry payments from 2016 to 2023
CMS Open Payments shows 64 general payments to Dr. Antonacci from 5 drug and device companies from 2016 to 2023. Royalties and licenses make up the largest share, 59% of the total. Globus Medical, Inc. paid the most, $206,126.
General payments to Dr. Antonacci by program year, 2016 to 2023
General payments to Dr. Antonacci by kind, 2016 to 2023
- Royalties and licenses$121,57659%
- Speaker and faculty fees$33,07516%
- Consulting fees$29,70014%
- Travel and lodging$21,14510%
- Food and beverage$1,1151%
Companies that paid Dr. Antonacci the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark Darryl Antonacci'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 |
| 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. Mark Darryl Antonacci
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. Mark Darryl Antonacci's NPI number?
Dr. Mark Darryl Antonacci's NPI number is 1659349363. It was assigned on March 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Darryl Antonacci?
Dr. Mark Darryl Antonacci is an orthopedic surgeon in Valhalla, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Mark Darryl Antonacci practice?
Dr. Antonacci practices at 100 Woods Rd, Valhalla, NY 10595. Dr. Antonacci's primary practice is Westchester Medical Center in Valhalla, New York, part of Westchester Medical Center Health Network. Dmand AI also links Dr. Antonacci to 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Dr. Mark Darryl Antonacci's office phone number?
The practice phone on file for Dr. Antonacci is (914) 493-7000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Mark Darryl Antonacci's email address?
Dmand AI checks professional and personal email addresses for Dr. Antonacci through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Mark Darryl Antonacci's medical license number?
Dr. Antonacci holds New Jersey license 25MA06999100, one of the licenses on file in 3 states.
Which states has Dr. Mark Darryl Antonacci been licensed in?
Dmand AI has state licenses on file for Dr. Antonacci in New Jersey, New York and Pennsylvania.
Which hospitals is Dr. Mark Darryl Antonacci affiliated with?
Dr. Antonacci practices at Westchester Medical Center in Valhalla, New York.
What medical group is Dr. Mark Darryl Antonacci part of?
Dmand AI links Dr. Antonacci to 1 medical group. A free account names the group, with the clinicians and leaders there.
Has Dr. Mark Darryl Antonacci received payments from drug or device companies?
CMS Open Payments shows $206,611 in general payments to Dr. Antonacci from 5 companies from 2016 to 2023. The largest total came from Globus Medical, Inc.
How long has Dr. Mark Darryl Antonacci been practicing?
Dr. Antonacci's NPI was assigned in 2006.
What EHR does Dr. Mark Darryl Antonacci's practice use?
Dmand AI tracks the EHR system at Westchester Medical Center and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
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