Mark Steven Jefferies, DMD
Dentist · Herndon, VA
Mark Steven Jefferies, DMD is a dentist with a practice address in Herndon, Virginia, and NPI 1750454179, issued on Nov 15, 2006. Check the license (Virginia 0401410740, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Steven Jefferies
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 0401410740 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2465 Centreville RD Ste J15, Herndon, VA 20171
- Phone
- (703) 793-1771
- Enumerated
- Nov 15, 2006
- Record last updated
- Nov 1, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (703) 793-1789
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,402 in Virginia → Look up another NPI →
Verify Mark Steven Jefferies in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0401410740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average dentist in 2024
21 Medicare Part D claims for 15 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark Steven Jefferies among 2,402 dentist records in Virginia
Mark Steven Jefferies, DMD is one of 2,402 dentist records with a practice address in Virginia. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 dentist records list a practice address in Herndon
They are 30 of the 943 NPPES records with a practice address in Herndon, and 2,402 dentist records in Virginia.
All 2,402 in Virginia → Every provider in Herndon → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Hang Dang, DDSHerndon, VA 201711629213517
- Naga Sai Pranathi Gundimeda, DMDHerndon, VA 201711376422816
- Jessica Hatem, DMDHerndon, VA 201711114795051
- Sandeep Kaur, DDSHerndon, VA 201711760620660
- Simona Naik, DMDHerndon, VA 201711659942365
- Malaika Sohail, DDSHerndon, VA 201711962381426
- Irene Stepensky, DMDHerndon, VA 201711568397693
- Chantarat Techapanit, D.D.S.Herndon, VA 201711730323155
Common questions
What is Mark Steven Jefferies, DMD's NPI number?
Mark Steven Jefferies, DMD's National Provider Identifier (NPI) is 1750454179, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Steven Jefferies, DMD located?
The NPPES record lists a practice address at 2465 Centreville RD Ste J15, Herndon, VA, 20171. Phone: (703) 793-1771. Providers update this record themselves, so call before visiting.
How can I verify Mark Steven Jefferies, DMD's license?
NPPES lists Virginia license number 0401410740, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Steven Jefferies, DMD prescribe under Medicare Part D?
In 2024, Mark Steven Jefferies, DMD had 21 Medicare Part D claims for 15 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.