James D. Kassolis, DDS
Periodontics · Towson, MD
James D. Kassolis, DDS is a periodontics with a practice address in Towson, Maryland, and NPI 1518039502, issued on Nov 14, 2006. Check the license (Maryland 5436, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James D. Kassolis
- Credential
- DDS
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 5436 MD
Self-reported in NPPES; status is on the state search - Practice location
- 521 E Joppa RD, Towson, MD 21286
- Phone
- (410) 321-9477
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest periodontics records → All 167 in Maryland → Look up another NPI →
Also registered at 521 E Joppa RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Horky-Clarke, M.S.W.,L.C.S.W.-C.Clinical Social Worker1811100100
- Laura Perell, D.D.S.Oral and Maxillofacial Pathology Dentistry1588788707
Verify James D. Kassolis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 5436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average periodontics in 2024
264 Medicare Part D claims for 84 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin86 claims
- Celecoxib64 claims
- Chlorhexidine Gluconate58 claims
- Lorazepam16 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.
James D. Kassolis among 167 periodontics records in Maryland
James D. Kassolis, DDS is one of 167 periodontics records with a practice address in Maryland. 65% 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, 69% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2008 · 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Maryland
There are 167 periodontics records in Maryland.
All 167 in Maryland → Every provider in Towson → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Thomas Daley, D.D.S.Towson, MD 212861023231636
- Richard Mao, D.M.D.Baltimore, MD 212861952427825
- Kathryn Mutzig, D.D.S.Towson, MD 212861558481820
- Andrew Fried, DMDBaltimore, MD 212361457413734
- William Bowen, DDSBaltimore, MD 212291952440224
- John Felton, DDSCatonsville, MD 212281457475774
- Ari Moskowitz, D.M.D.Catonsville, MD 212281528289352
- Herbert Livingston, D.D.S.Baltimore, MD 212241780673418
Common questions
What is James D. Kassolis, DDS's NPI number?
James D. Kassolis, DDS's National Provider Identifier (NPI) is 1518039502, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James D. Kassolis, DDS located?
The NPPES record lists a practice address at 521 E Joppa RD, Towson, MD, 21286. Phone: (410) 321-9477. Providers update this record themselves, so call before visiting.
How can I verify James D. Kassolis, DDS's license?
NPPES lists Maryland license number 5436, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does James D. Kassolis, DDS prescribe under Medicare Part D?
In 2024, James D. Kassolis, DDS had 264 Medicare Part D claims for 84 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.