Dr. Gary J Seiden, DDS
Dr. Gary J Seiden is a Dentist provider (Dentist) practicing in Washington, DC, registered in the NPPES registry with NPI 1992718480 since 2006. The credential DDS stands for Doctor of Dental Surgery.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1992718480 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Gary J Seiden |
| Credential | DDS |
| Sex | Male |
| Practice address | 1234 19TH ST NW, #604, Washington, DC, 20036 |
| Phone | 2022967714 |
| Fax | 2022968431 |
| Enumeration date | 2006-08-14 |
| Last updated in NPPES | 2007-07-08 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 122300000X | Dentist | Primary | DEN1000196 | DC |
DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential
Copy-ready billing details
Provider: Gary Seiden, DDS NPI: 1992718480 Taxonomy: 122300000X (Dentist) Address: 1234 19TH ST NW, #604, Washington, DC, 20036
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1295717312 | Drew E Permut, Phd, PC | Organization | Clinical Psychologist | Washington, DC |
| 1629056361 | Jeffrey Gitelman | Individual | Oral and Maxillofacial Surgery (Dentist) | Washington, DC |
| 1083644892 | Michael Kossak | Individual | Periodontics | Washington, DC |
| 1427089275 | Sheldon Laps | Individual | Podiatrist | Washington, DC |
| 1083622153 | Dr. Sheldon I. Laps | Organization | Foot Surgery Podiatrist | Washington, DC |
| 1518072172 | Larry Peterson | Individual | Dentist | Washington, DC |
| 1295811370 | Karen Osterle | Individual | Clinical Social Worker | Washington, DC |
| 1386717528 | Wiliam Baughman | Individual | General Practice Dentistry | Washington, DC |
Verify this record
Cross-check NPI 1992718480 against the authoritative CMS record: view Dr. Gary J Seiden on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
What is the NPI number for Gary Seiden?
Where does Gary Seiden practice?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.