Mark Stephen, MD
Mark Stephen is a Specialist provider (Specialist) practicing in Levittown, NY, registered in the NPPES registry with NPI 1790772408 since 2005. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1790772408 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Mark Stephen |
| Credential | MD |
| Sex | Male |
| Practice address | 2920 HEMPSTEAD TPKE, Levittown, NY, 11756 |
| Phone | 5167354048 |
| Fax | 5167311945 |
| Enumeration date | 2005-09-29 |
| Last updated in NPPES | 2014-09-18 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 174400000X | Specialist | Primary | 213491 | NY |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Copy-ready billing details
Provider: Mark Stephen, MD NPI: 1790772408 Taxonomy: 174400000X (Specialist) Address: 2920 HEMPSTEAD TPKE, Levittown, NY, 11756
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1912993643 | Maurice Castillo | Individual | Physician Assistant | Levittown, NY |
| 1225024094 | Robert Carter | Individual | Specialist | Levittown, NY |
| 1982686960 | Anthony Petrizzo | Individual | Orthopaedic Surgery Physician | Levittown, NY |
| 1831279173 | Nassau Orthopedic Surgeons P.C. | Organization | Foot & Ankle Surgery Podiatrist | Levittown, NY |
| 1700959806 | Louis Essman | Individual | Internal Medicine Physician | Levittown, NY |
| 1457414815 | Lisa Linzer | Individual | Pediatrics Physician | Levittown, NY |
| 1205972403 | Advance Physical Therapy, P.C. | Organization | Physical Therapist | Levittown, NY |
| 1649496332 | Cassis and Morcos Dental Services | Organization | Dentist | Levittown, NY |
Verify this record
Cross-check NPI 1790772408 against the authoritative CMS record: view Mark Stephen 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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Where does Mark Stephen practice?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-09-18.