Douglas Harry Mahn, DDS
Periodontics · Manassas, VA
Douglas Harry Mahn, DDS is a periodontics with a practice address in Manassas, Virginia, and NPI 1689702672, issued on Mar 1, 2007. Check the license (Virginia 0401008581, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Harry Mahn
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 0401008581 VA
Self-reported in NPPES; status is on the state search - Practice location
- 10610B Crestwood Drive, Manassas, VA 20109
- Phone
- (703) 392-8844
- Enumerated
- Mar 1, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (703) 365-0123
- Entity
- Type 1 · individual
8 nearest periodontics records → All 214 in Virginia → Look up another NPI →
Verify Douglas Harry Mahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0401008581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average periodontics in 2024
144 Medicare Part D claims for 45 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin52 claims
- Chlorhexidine Gluconate37 claims
- Ibuprofen31 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.
Industry payments in 2024: $298.79
5 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 2,966 providers of this specialty with any payment received $1,338.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Douglas Harry Mahn among 214 periodontics records in Virginia
Douglas Harry Mahn, DDS is one of 214 periodontics records with a practice address in Virginia. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 41% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Virginia
There are 214 periodontics records in Virginia.
All 214 in Virginia → Every provider in Manassas → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Richard Goldin, DDSManassas, VA 201091740443423
- Ramy Habib, BDS, MS, MPHManassas, VA 201091164984969
- Ahmad HawasliManassas, VA 201091508263104
- Adrian Rudiak, DDSManassas, VA 201091255052536
- Abdelrouf Suwid, B.D.SManassas, VA 201091972819043
- Claudio Iwamoto, D.D.S., M.S.Centreville, VA 201201689892242
- Cliff ChenCentreville, VA 201211508293937
- Lisa Marvil, D.M.D, M.H.SPurcellville, VA 201321285651257
Common questions
What is Douglas Harry Mahn, DDS's NPI number?
Douglas Harry Mahn, DDS's National Provider Identifier (NPI) is 1689702672, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Harry Mahn, DDS located?
The NPPES record lists a practice address at 10610B Crestwood Drive, Manassas, VA, 20109. Phone: (703) 392-8844. Providers update this record themselves, so call before visiting.
How can I verify Douglas Harry Mahn, DDS's license?
NPPES lists Virginia license number 0401008581, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Douglas Harry Mahn, DDS prescribe under Medicare Part D?
In 2024, Douglas Harry Mahn, DDS had 144 Medicare Part D claims for 45 beneficiaries; the average among periodontics prescribers was 277. 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.