Mark David Greenstein, DMD
- Part D claims, 2024
- 26
- Industry payments
- $59
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 7905 Malcolm Rd Ste 104 Suite 104, Clinton, MD 20735-1709
- Practice phone
- Call (301) 868-7228
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Greenstein & Associates Dental
Dental practice · Clinton, Maryland
Find Mark Greenstein'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 David Greenstein is a general practice dentistry in Fairfax, Virginia
Mark Greenstein practices at Greenstein & Associates Dental in Clinton, Maryland.
Mark Greenstein's NPI, 1003971938, was assigned on December 22, 2006. Mark Greenstein holds Maryland license MD9194.
- NPI
- 1003971938NPI Registry (opens in a new tab)
- NPI enumeration date
- December 22, 2006
- NPI status
- Active
- Practice phone
- (301) 868-7228
- 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 David Greenstein practices in Clinton and Fairfax
Mark Greenstein's primary practice is Greenstein & Associates Dental, at 7905 Malcolm Rd Ste 104 Suite 104, Clinton, MD 20735-1709. The practice phone is (301) 868-7228. The NPI Registry lists Mark Greenstein's practice address as 10530 Rosehaven St, Fairfax, VA 22030.
- Greenstein & Associates DentalPrimary7905 Malcolm Rd Ste 104 Suite 104, Clinton, MD 20735-1709Phone(301) 868-7228
- NPI Registry address10530 Rosehaven St, Fairfax, VA 22030 · Fairfax City
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Mark David Greenstein is affiliated with 1 site of care and 1 medical group
Mark Greenstein's primary practice is Greenstein & Associates Dental in Clinton, Maryland. Dmand AI also links Mark Greenstein 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 David Greenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Greenstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greenstein & Associates Dental | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark David Greenstein is one of 1,559 general practice dentistrys in Virginia
General practice is Mark Greenstein's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Mark Greenstein is licensed in Maryland.
Specialties and state licenses
- General practice dentistry, MarylandPrimary
General practice dentistrys near Mark Greenstein
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 David Greenstein's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Mark Greenstein's median patient age at 76, with 100% women.
Mark Greenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Mark David Greenstein wrote 26 Medicare Part D claims in 2024
In 2024, Mark Greenstein wrote 26 Medicare Part D claims for 21 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Mark Greenstein's Part D claims, 2024
- Antibiotics96%25 of 26 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), 2024 data
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Mark David Greenstein received $59 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mark Greenstein from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Align Technology, Inc. paid the most, $59.
Companies that paid Mark Greenstein 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 David Greenstein'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 David Greenstein
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 David Greenstein's NPI number?
Mark David Greenstein's NPI number is 1003971938. It was assigned on December 22, 2006, and it is active in the NPI Registry.
What does Mark David Greenstein specialize in?
Mark David Greenstein is a general practice dentistry in Fairfax, Virginia. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Mark David Greenstein practice?
Mark Greenstein practices at 7905 Malcolm Rd Ste 104 Suite 104, Clinton, MD 20735-1709. Mark Greenstein also practices at 10530 Rosehaven St, Fairfax, VA 22030. Mark Greenstein's primary practice is Greenstein & Associates Dental in Clinton, Maryland. Dmand AI also links Mark Greenstein to 1 medical group.
What is Mark David Greenstein's office phone number?
The practice phone on file for Mark Greenstein is (301) 868-7228.
What is Mark David Greenstein's medical license number?
Mark Greenstein holds Maryland license MD9194.
Has Mark David Greenstein received payments from drug or device companies?
CMS Open Payments shows $59 in general payments to Mark Greenstein from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has Mark David Greenstein been practicing?
Mark Greenstein's NPI was assigned in 2006.
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