Mark Diefenderfer, DDS
- Part D claims, 2026
- 170
- Industry payments
- $26
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1612 Huguenot Road, Midlothian, VA 23113
- Practice phone
- Call (804) 794-9789
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Family Dentistry - Midlothian (Huguenot Road)
Dental practice · Midlothian, Virginia
Find Mark Diefenderfer'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 Diefenderfer is a dentist in Midlothian, Virginia
Mark Diefenderfer practices at Virginia Family Dentistry - Midlothian (Huguenot Road) in Midlothian, Virginia.
Mark Diefenderfer's NPI, 1588716112, was assigned on January 16, 2007. Mark Diefenderfer holds Virginia license 0401410788.
- NPI
- 1588716112NPI Registry (opens in a new tab)
- NPI enumeration date
- January 16, 2007
- NPI status
- Active
- Practice phone
- (804) 794-9789
- 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 Diefenderfer practices at Virginia Family Dentistry - Midlothian (Huguenot Road) in Midlothian, Virginia
Mark Diefenderfer's primary practice is Virginia Family Dentistry - Midlothian (Huguenot Road), at 1612 Huguenot Road, Midlothian, VA 23113. The practice phone is (804) 794-9789.
- Virginia Family Dentistry - Midlothian (Huguenot Road)1612 Huguenot Road, Midlothian, VA 23113Phone(804) 794-9789
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Diefenderfer is affiliated with 1 site of care and 1 medical group
Mark Diefenderfer's primary practice is Virginia Family Dentistry - Midlothian (Huguenot Road) in Midlothian, Virginia. Dmand AI also links Mark Diefenderfer 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 Diefenderfer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Diefenderfer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Family Dentistry - Midlothian (Huguenot Road) | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Mark Diefenderfer is one of 1,017 dentists in Virginia
Dentist is Mark Diefenderfer's primary specialty in the NPI Registry, under taxonomy code 122300000X. Mark Diefenderfer is licensed in Virginia.
Specialties and state licenses
- Dentist, VirginiaPrimary
Dentists near Mark Diefenderfer
Counts of dentists 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 Diefenderfer's patients have a median age of 48
Across all payers, Dmand AI patient panel data puts Mark Diefenderfer's median patient age at 48, with 46% women.
Mark Diefenderfer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
Mark Diefenderfer wrote 170 Medicare Part D claims in 2026
In 2026, Mark Diefenderfer wrote 170 Medicare Part D claims for 99 patients. 89% of them were for generic drugs.
Mark Diefenderfer's Part D claims by kind of drug, 2026
- Generic151 claims89%
- Brand-name and other19 claims11%
Drug classes CMS tracks in Mark Diefenderfer's Part D claims, 2026
- Opioids14%23 of 170 claims
- Antibiotics66%112 of 170 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 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.
Mark Diefenderfer received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mark Diefenderfer from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $26.
Companies that paid Mark Diefenderfer 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 Diefenderfer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Diefenderfer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Diefenderfer's NPI number?
Mark Diefenderfer's NPI number is 1588716112. It was assigned on January 16, 2007, and it is active in the NPI Registry.
What does Mark Diefenderfer specialize in?
Mark Diefenderfer is a dentist in Midlothian, Virginia. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Mark Diefenderfer practice?
Mark Diefenderfer practices at 1612 Huguenot Road, Midlothian, VA 23113. Mark Diefenderfer's primary practice is Virginia Family Dentistry - Midlothian (Huguenot Road) in Midlothian, Virginia. Dmand AI also links Mark Diefenderfer to 1 medical group, and a free account names each one.
What is Mark Diefenderfer's office phone number?
The practice phone on file for Mark Diefenderfer is (804) 794-9789. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Mark Diefenderfer's email address?
Dmand AI checks professional and personal email addresses for Mark Diefenderfer through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Mark Diefenderfer's medical license number?
Mark Diefenderfer holds Virginia license 0401410788.
What medical group is Mark Diefenderfer part of?
Dmand AI links Mark Diefenderfer to 1 medical group. A free account names the group, with the clinicians and leaders there.
Has Mark Diefenderfer received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Mark Diefenderfer from 1 company from 2025 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has Mark Diefenderfer been practicing?
Mark Diefenderfer's NPI was assigned in 2007.
What EHR does Mark Diefenderfer's practice use?
Dmand AI tracks the EHR system at Virginia Family Dentistry - Midlothian (Huguenot Road) and at 1 medical group. The vendor and product are available with a free Dmand AI account.
Selling to dentist practices?
See dentists in Virginia 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