Mark C. Lemonnier, D.D.S.
General Practice Dentistry · Frederick, MD
Mark C. Lemonnier, D.D.S. is a general practice dentistry with a practice address in Frederick, Maryland, and NPI 1780627778, issued on Jun 14, 2006. Check the license (Maryland 11694, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark C. Lemonnier
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 11694 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6550 Mercantile Dr E, Frederick, MD 21703
- Phone
- (301) 663-0811
- Enumerated
- Jun 14, 2006
- Record last updated
- Oct 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,408 in Maryland → Look up another NPI →
Also registered at 6550 Mercantile Dr E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mark Pitts, DDSOral and Maxillofacial Surgery (Dentist)1447279120
- Willie Yu, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1881634491
Verify Mark C. Lemonnier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 11694Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average general practice dentistry in 2024
36 Medicare Part D claims for 24 beneficiaries, against an average of 83 among the 70,290 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.
Industry payments in 2024: $1,094.24
9 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 41,669 providers of this specialty with any payment received $597.01 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.
Mark C. Lemonnier among 2,408 general practice dentistry records in Maryland
Mark C. Lemonnier, D.D.S. is one of 2,408 general practice dentistry records with a practice address in Maryland. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 72% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
65 general practice dentistry records list a practice address in Frederick
They are 65 of the 3,981 NPPES records with a practice address in Frederick, and 2,408 general practice dentistry records in Maryland.
All 2,408 in Maryland → Every provider in Frederick → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Rafael AcostaFrederick, MD 217031538453279
- Jeffrey Cross, DDSFrederick, MD 217031124181052
- Nareh Issayans, DDSFrederick, MD 217031306369954
- Arthur LeeFrederick, MD 217031275993537
- Douglas Tavenner, D.D.S.Frederick, MD 217031174678262
- Frederick Asuncion, D.D.SFrederick, MD 217041528282431
- Katherine Bell, DDSFrederick, MD 217041083232508
- Samir Benachenhou, DDSFrederick, MD 217021780910745
Common questions
What is Mark C. Lemonnier, D.D.S.'s NPI number?
Mark C. Lemonnier, D.D.S.'s National Provider Identifier (NPI) is 1780627778, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark C. Lemonnier, D.D.S. located?
The NPPES record lists a practice address at 6550 Mercantile Dr E, Frederick, MD, 21703. Phone: (301) 663-0811. Providers update this record themselves, so call before visiting.
How can I verify Mark C. Lemonnier, D.D.S.'s license?
NPPES lists Maryland license number 11694, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Mark C. Lemonnier, D.D.S. prescribe under Medicare Part D?
In 2024, Mark C. Lemonnier, D.D.S. had 36 Medicare Part D claims for 24 beneficiaries; the average among general practice dentistry prescribers was 83. 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.