Dennis Stiles, DDS
Dentist · Gaithersburg, MD
Dennis Stiles, DDS is a dentist with a practice address in Gaithersburg, Maryland, and NPI 1508081704, issued on Apr 16, 2007. Check the license (Maryland 9332, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dennis Stiles
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 9332 MD
Self-reported in NPPES; status is on the state search - Practice location
- 333 Main St, Gaithersburg, MD 20878
- Phone
- (301) 947-6900
- Enumerated
- Apr 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,870 in Maryland → Look up another NPI →
Also registered at 333 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marie Stiles, DDSDentist1306268024
Verify Dennis Stiles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 9332Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average dentist in 2024
18 Medicare Part D claims for 16 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Dennis Stiles among 1,870 dentist records in Maryland
Dennis Stiles, DDS is one of 1,870 dentist records with a practice address in Maryland. 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 2007, is newer than 20% of them.
- NPI issued2007 · 20% of these records are older, 65% 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 · 69% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 dentist records list a practice address in Gaithersburg
They are 55 of the 2,580 NPPES records with a practice address in Gaithersburg, and 1,870 dentist records in Maryland.
All 1,870 in Maryland → Every provider in Gaithersburg → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ossob Abdillahi, DMDGaithersburg, MD 208781932237385
- Rizwan Ahmad, D.D.S.Gaithersburg, MD 208781023277324
- Anita Belani, DDSGaithersburg, MD 208781538207881
- Elizabeth Forkkio, DMDGaithersburg, MD 208781952464182
- Keith Gilbert, D.D.S.North Potomac, MD 208781831219955
- Scott Gritz, DDSN Potomac, MD 208781386856672
- Charles Harrington, DDSNorth Potomac, MD 208781336382159
- Patricio Herdoiza, DDSGaithersburg, MD 208781013030212
Common questions
What is Dennis Stiles, DDS's NPI number?
Dennis Stiles, DDS's National Provider Identifier (NPI) is 1508081704, issued on Apr 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Stiles, DDS located?
The NPPES record lists a practice address at 333 Main St, Gaithersburg, MD, 20878. Phone: (301) 947-6900. Providers update this record themselves, so call before visiting.
How can I verify Dennis Stiles, DDS's license?
NPPES lists Maryland license number 9332, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Dennis Stiles, DDS prescribe under Medicare Part D?
In 2024, Dennis Stiles, DDS had 18 Medicare Part D claims for 16 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.