Gary Edward Koterwas, DDS
Oral and Maxillofacial Surgery (Dentist) · Hagerstown, MD
Gary Edward Koterwas, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Hagerstown, Maryland, and NPI 1558355529, issued on Sep 7, 2005. Check the license (Maryland 11375, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary Edward Koterwas
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 11375 MD
Self-reported in NPPES; status is on the state search - Practice location
- 19414 Leitersburg Pike, Hagerstown, MD 21742
- Phone
- (301) 791-1700
- Enumerated
- Sep 7, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (301) 791-9257
- Entity
- Type 1 · individual
Also registered at 19414 Leitersburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Curlis, DPMPodiatrist1205102712
- Philip Divelbiss, DCChiropractor1104828763
- Richard Kramer, DDSOral and Maxillofacial Surgery (Dentist)1548254519
- Curtis Sprinkle, D.C.Chiropractor1518044742
Verify Gary Edward Koterwas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 11375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
74 Medicare Part D claims for 60 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin45 claims
- Azithromycin13 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: $1,206.74
9 payments; by number, the most common kind was travel and lodging; the largest payer was Zimvie Inc. The 4,075 providers of this specialty with any payment received $1,077.58 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.
Oral and Maxillofacial Surgery (Dentist) providers in Maryland
There are 200 oral and maxillofacial surgery (dentist) records in Maryland.
Other oral and maxillofacial surgery (dentist) records in Maryland
- Jarred AbelChevy Chase, MD1649488560
- Ralph Alman, D.D.S.Rockville, MD1497881015
- Bonnie Arroyo, D.D.S.Baltimore, MD1073771937
- Imani Asher, D.D.SBaltimore, MD1801159637
- Kevin Asher, DDSColumbia, MD1043372188
- Bethany Awalt, DMDPikesville, MD1043251507
- Malini Balachandran Iyer, DMD, MDDunkirk, MD1760662621
- Lawrence Barrett, DDSCambridge, MD1376535518
- Ziad Batrouni, D.D.S.Gambrills, MD1992733059
- Andrew Benjamin, DDSUpper Marlboro, MD1255957023
Common questions
What is Gary Edward Koterwas, DDS's NPI number?
Gary Edward Koterwas, DDS's National Provider Identifier (NPI) is 1558355529, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary Edward Koterwas, DDS located?
The NPPES record lists a practice address at 19414 Leitersburg Pike, Hagerstown, MD, 21742. Phone: (301) 791-1700. Providers update this record themselves, so call before visiting.
How can I verify Gary Edward Koterwas, DDS's license?
NPPES lists Maryland license number 11375, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Gary Edward Koterwas, DDS prescribe under Medicare Part D?
In 2024, Gary Edward Koterwas, DDS had 74 Medicare Part D claims for 60 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.