Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Gregory Alan Waskewicz, D.D.S.
Prosthodontics in Bethesda, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255301578
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Gregory Alan Waskewicz
Credential D.D.S.
Sex Male
Practice address National Naval Medical Center 8901 Wisconsin Ave, Bethesda, MD, 20889
Phone (301) 295-4340
Enumeration date Jan 26, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What specialty is Gregory Waskewicz?
Gregory Waskewicz is registered in NPPES with the primary taxonomy of Prosthodontics. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Margaret Kabat Clinical Social Worker · Bethesda, MD NPI 1942201249 Charles Lee Pediatrics Physician · Bethesda, MD NPI 1265412696 Nicole Stewart Student in an Organized Health Care Education/Training Program · Bethesda, MD NPI 1659349488 Jason Slingerland Student in an Organized Health Care Education/Training Program · Bethesda, MD NPI 1891957098 Joseph Zeman Pulmonary Disease Physician · Bethesda, MD NPI 1831351659
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.