Dr. Stephen T Deehan IV, DMD
Dr. Stephen T Deehan IV is a General Practice Dentistry provider (Dentist) practicing in Hackettstown, NJ, registered in the NPPES registry with NPI 1902013154 since 2007. The credential DMD stands for Doctor of Medicine in Dentistry.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1902013154 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Stephen T Deehan IV |
| Credential | DMD |
| Sex | Male |
| Practice address | Hackettstown, NJ, 07840 |
| Phone | 9088526626 |
| Fax | 9088525141 |
| Enumeration date | 2007-05-17 |
| 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 |
|---|---|---|---|---|
| 1223G0001X | General Practice Dentistry | Primary | 22D101899400 | NJ |
DMD — Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential
Copy-ready billing details
Provider: Stephen Deehan, DMD NPI: 1902013154 Taxonomy: 1223G0001X (General Practice Dentistry) Address: Hackettstown, NJ, 07840
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1437265428 | Susan Dauria | Individual | Clinical Social Worker | Hackettstown, NJ |
| 1689971251 | A Place for Hope and Healing | Organization | Clinical Social Worker | Hackettstown, NJ |
| 1326412008 | The Counseling and Mindfulness Group | Organization | Mental Health Counselor | Hackettstown, NJ |
| 1770036139 | Erika Ackerman | Individual | Home Health Agency | Hackettstown, NJ |
| 1063966372 | J&E Ackerman Investments,Inc. | Organization | Home Health Agency | Hackettstown, NJ |
| 1871081885 | Morris Speech Therapy Associates, Limited Liability Company | Organization | Hearing and Speech Clinic/Center | Hackettstown, NJ |
| 1881270155 | Tanya Leonhardt | Individual | Mental Health Counselor | Hackettstown, NJ |
Verify this record
Cross-check NPI 1902013154 against the authoritative CMS record: view Dr. Stephen T Deehan IV 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
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.