Stephen Alan Hassler, D.M.D.
Dentist · Wyomissing, PA
Stephen Alan Hassler, D.M.D. is a dentist with a practice address in Wyomissing, Pennsylvania, and NPI 1013355213, issued on Jun 10, 2013. Check the license (Pennsylvania DS039497, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Alan Hassler
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- DS039497 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Penn Ave, Wyomissing, PA 19610
- Phone
- (610) 373-4198
- Enumerated
- Jun 10, 2013
- Record last updated
- Sep 10, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 3,339 in Pennsylvania → Look up another NPI →
Also registered at 1100 Penn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Hassler, D.D.S.Dentist1841214640
Verify Stephen Alan Hassler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license DS039497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average dentist in 2024
28 Medicare Part D claims for 20 beneficiaries, against an average of 86 among the 51,021 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.
Stephen Alan Hassler among 3,339 dentist records in Pennsylvania
Stephen Alan Hassler, D.M.D. is one of 3,339 dentist records with a practice address in Pennsylvania. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 60% of them.
- NPI issued2013 · 60% of these records are older, 36% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2014 · 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 122300000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 dentist records list a practice address in Wyomissing
They are 22 of the 1,272 NPPES records with a practice address in Wyomissing, and 3,339 dentist records in Pennsylvania.
All 3,339 in Pennsylvania → Every provider in Wyomissing → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Deborah Brown, DMDWyomissing, PA 196101700894748
- Elizabeth Dymond, DMDWyomissing, PA 196101871041012
- Robert Forry, DDSWyomissing, PA 196101336368513
- Stephen Hassler, D.D.S.Wyomissing, PA 196101841214640
- Molly Hottenstein, DMDWyomissing, PA 196101174079727
- David Huber, DDSWyomissing, PA 196101063539187
- Carol Labate, DMDWyomissing, PA 196101811004039
- Michael Latourelle, D.M.DWyomissing, PA 196101023037884
Common questions
What is Stephen Alan Hassler, D.M.D.'s NPI number?
Stephen Alan Hassler, D.M.D.'s National Provider Identifier (NPI) is 1013355213, issued on Jun 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Alan Hassler, D.M.D. located?
The NPPES record lists a practice address at 1100 Penn Ave, Wyomissing, PA, 19610. Phone: (610) 373-4198. Providers update this record themselves, so call before visiting.
How can I verify Stephen Alan Hassler, D.M.D.'s license?
NPPES lists Pennsylvania license number DS039497, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Stephen Alan Hassler, D.M.D. prescribe under Medicare Part D?
In 2024, Stephen Alan Hassler, D.M.D. had 28 Medicare Part D claims for 20 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.