Dr. Irwin Haas, DDS
Dr. Irwin Haas is a Orthodontics and Dentofacial Orthopedics Dentistry provider (Dentist) practicing in Merrick, NY, registered in the NPPES registry with NPI 1326185315 since 2007. The credential DDS stands for Doctor of Dental Surgery.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1326185315 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Irwin Haas |
| Credential | DDS |
| Sex | Male |
| Practice address | Merrick, NY, 11566 |
| Phone | 5168683131 |
| Fax | 5168683141 |
| Enumeration date | 2007-01-31 |
| Last updated in NPPES | 2007-07-08 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 1223X0400X | Orthodontics and Dentofacial Orthopedics Dentistry | Primary | 26435 | NY |
DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential
Copy-ready billing details
Provider: Irwin Haas, DDS NPI: 1326185315 Taxonomy: 1223X0400X (Orthodontics and Dentofacial Orthopedics Dentistry) Address: Merrick, NY, 11566
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1679761647 | David Sukoff | Individual | Orthodontics and Dentofacial Orthopedics Dentistry | Merrick, NY |
| 1275870719 | David H Sukoff DDS PC | Organization | Orthodontics and Dentofacial Orthopedics Dentistry | Merrick, NY |
| 1639574866 | Sukoff Orthodontics | Organization | Orthodontics and Dentofacial Orthopedics Dentistry | Merrick, NY |
Verify this record
Cross-check NPI 1326185315 against the authoritative CMS record: view Dr. Irwin Haas 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
Where does Irwin Haas practice?
What is the NPI number for Irwin Haas?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.