Mark A. Tromblay, DMD
- Part D claims, 2024
- 32
- Industry payments
- $50
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2440 M St Nw, Washington, DC 20037-1404
- Practice phone
- Call (202) 331-1554
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eugene C. Gadaire
Dental practice · Washington, District of Columbia
Find Mark Tromblay'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.
Mark A. Tromblay is a general practice dentistry in Falls Church, Virginia
Mark Tromblay practices at Eugene C. Gadaire in Washington, District of Columbia.
Mark Tromblay's NPI, 1821384033, was assigned on June 27, 2011. Mark Tromblay holds District of Columbia license 1000361.
- NPI
- 1821384033NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2011
- NPI status
- Active
- Practice phone
- (202) 331-1554
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark A. Tromblay practices in Washington and Falls Church
Mark Tromblay's primary practice is Eugene C. Gadaire, at 2440 M St Nw, Washington, DC 20037-1404. The practice phone is (202) 331-1554. The NPI Registry lists Mark Tromblay's practice address as 3300 Gallows Rd, Falls Church, VA 22042.
- Eugene C. GadairePrimary2440 M St Nw, Washington, DC 20037-1404Phone(202) 331-1554
- NPI Registry address3300 Gallows Rd, Falls Church, VA 22042 · Fairfax County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Mark A. Tromblay is affiliated with 1 site of care and 1 medical group
Mark Tromblay's primary practice is Eugene C. Gadaire in Washington, District of Columbia. Dmand AI also links Mark Tromblay to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Mark A. Tromblay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Tromblay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eugene C. Gadaire | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark A. Tromblay is one of 1,559 general practice dentistrys in Virginia
General practice is Mark Tromblay's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Mark Tromblay is licensed in District of Columbia.
Specialties and state licenses
- General practice dentistry, District of ColumbiaPrimary
General practice dentistrys near Mark Tromblay
Counts of general practice dentistrys 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
Mark A. Tromblay's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Mark Tromblay's median patient age at 46, with 80% women.
Mark Tromblay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women80%
- Men20%
Source: Dmand AI Patient Panel Data
Mark A. Tromblay wrote 32 Medicare Part D claims in 2024
In 2024, Mark Tromblay wrote 32 Medicare Part D claims for 13 patients. 34% of them were for generic drugs.
Mark Tromblay's Part D claims by kind of drug, 2024
- Generic11 claims34%
- Other21 claims66%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Mark A. Tromblay received $50 in industry payments in 2025
CMS Open Payments shows 3 general payments to Mark Tromblay from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $20.
Companies that paid Mark Tromblay the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Mark A. Tromblay'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Mark A. Tromblay
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What is Mark A. Tromblay's NPI number?
Mark A. Tromblay's NPI number is 1821384033. It was assigned on June 27, 2011, and it is active in the NPI Registry.
What does Mark A. Tromblay specialize in?
Mark A. Tromblay is a general practice dentistry in Falls Church, Virginia. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Mark A. Tromblay practice?
Mark Tromblay practices at 2440 M St Nw, Washington, DC 20037-1404. Mark Tromblay also practices at 3300 Gallows Rd, Falls Church, VA 22042. Mark Tromblay's primary practice is Eugene C. Gadaire in Washington, District of Columbia. Dmand AI also links Mark Tromblay to 1 medical group.
What is Mark A. Tromblay's office phone number?
The practice phone on file for Mark Tromblay is (202) 331-1554.
What is Mark A. Tromblay's medical license number?
Mark Tromblay holds District of Columbia license 1000361.
Has Mark A. Tromblay received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Mark Tromblay from 3 companies from 2025 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Mark A. Tromblay been practicing?
Mark Tromblay's NPI was assigned in 2011.
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