John Philip Seisman, DDS
General Practice Dentistry · Lexington Park, MD
John Philip Seisman, DDS is a general practice dentistry with a practice address in Lexington Park, Maryland, and NPI 1497000459, issued on Jul 16, 2012. Check the license (Maryland 15042, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Philip Seisman
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 15042 MD
Self-reported in NPPES; status is on the state search - Practice location
- 21534 Great Mills RD, Lexington Park, MD 20653
- Phone
- (301) 862-3900
- Enumerated
- Jul 16, 2012
- Record last updated
- Jun 9, 2013 (not updated in 13 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 21534 Great Mills RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacob Kott, DDSGeneral Practice Dentistry1255946596
Verify John Philip Seisman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 15042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.5 times the Medicare Part D claims of the average general practice dentistry in 2024
374 Medicare Part D claims for 108 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Amoxicillin105 claims
- Chlorhexidine Gluconate71 claims
- Ibuprofen62 claims
- Hydrocodone-Acetaminophen45 claims
- Triazolam13 claims
- Cephalexin12 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: $171.24
3 payments; by number, the most common kind was gift; the largest payer was A-dec, Inc. 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.
John Philip Seisman among 2,408 general practice dentistry records in Maryland
John Philip Seisman, DDS 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 2012, is newer than 69% of them.
- NPI issued2012 · 69% of these records are older, 28% 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 updated2013 · 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).
6 general practice dentistry records list a practice address in Lexington Park
They are 6 of the 166 NPPES records with a practice address in Lexington Park, and 2,408 general practice dentistry records in Maryland.
All 2,408 in Maryland → Every provider in Lexington Park → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kathleen Buss, DDSPatuxent River, MD 206531982696845
- Bruce Finagin, DDSLexington Park, MD 206531871586800
- John Knowlton, D.D.S.Lexington Park, MD 206531730167727
- Jacob Kott, DDSLexington Park, MD 206531255946596
- Mohammad Tabatabaeei-Fatemi, D.D.S.Lexington Park, MD 206531154373413
- Birukitawit Yirefu, DDSLexington Park, MD 206531144801234
- Henry Allen, DDSLeonardtown, MD 206501174786362
- Elorm AtuwoLeonardtown, MD 206501952105728
Common questions
What is John Philip Seisman, DDS's NPI number?
John Philip Seisman, DDS's National Provider Identifier (NPI) is 1497000459, issued on Jul 16, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Philip Seisman, DDS located?
The NPPES record lists a practice address at 21534 Great Mills RD, Lexington Park, MD, 20653. Phone: (301) 862-3900. Providers update this record themselves, so call before visiting.
How can I verify John Philip Seisman, DDS's license?
NPPES lists Maryland license number 15042, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does John Philip Seisman, DDS prescribe under Medicare Part D?
In 2024, John Philip Seisman, DDS had 374 Medicare Part D claims for 108 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.