Mark Alan Clemens, DDS
Dentist · Leavenworth, KS
Mark Alan Clemens, DDS is a dentist with a practice address in Leavenworth, Kansas, and NPI 1013019694, issued on Sep 2, 2006. Check the license (Kansas 6921, as entered in NPPES) with the Kansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Alan Clemens
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 6921 KS
Self-reported in NPPES; status is on the state search - Practice location
- 502 Shawnee St, Leavenworth, KS 66048
- Phone
- (913) 651-2115
- Enumerated
- Sep 2, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (913) 682-1218
- Entity
- Type 1 · individual
8 nearest dentist records → All 599 in Kansas → Look up another NPI →
Also registered at 502 Shawnee St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Parker WelchGeneral Practice Dentistry1932071701
Verify Mark Alan Clemens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kansas board licenses this profession
Search for license 6921Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average dentist in 2024
107 Medicare Part D claims for 76 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin56 claims
- Clindamycin Hcl18 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: $78.33
4 payments; by number, the most common kind was food and beverage; the largest payer was Sonendo Inc. The 31,974 providers of this specialty with any payment received $540.36 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 Alan Clemens among 599 dentist records in Kansas
Mark Alan Clemens, DDS is one of 599 dentist records with a practice address in Kansas. 67% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 73% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 60% 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 Kansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Kansas
There are 599 dentist records in Kansas.
All 599 in Kansas → Every provider in Leavenworth → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jeffery KendallLeavenworth, KS 660481396418257
- Mary McCannaLeavenworth, KS 660481225962889
- Michael Robinson, D.D.S.Leavenworth, KS 660481568418796
- Bradley Adams, DDSLawrence, KS 660491942683313
- Nicholas Chamberlain, DDSLawrence, KS 660471104719434
- Ise D'Angelo, DMDLawrence, KS 660471063176204
- Caresa Doakes, DDSLawrence, KS 660491134533466
- Kelli Henderson, D.D.S.Lawrence, KS 660491497961338
Common questions
What is Mark Alan Clemens, DDS's NPI number?
Mark Alan Clemens, DDS's National Provider Identifier (NPI) is 1013019694, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Alan Clemens, DDS located?
The NPPES record lists a practice address at 502 Shawnee St, Leavenworth, KS, 66048. Phone: (913) 651-2115. Providers update this record themselves, so call before visiting.
How can I verify Mark Alan Clemens, DDS's license?
NPPES lists Kansas license number 6921, as entered by the provider. Search the Kansas board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Alan Clemens, DDS prescribe under Medicare Part D?
In 2024, Mark Alan Clemens, DDS had 107 Medicare Part D claims for 76 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.