Dr. Mark W Simpson, MD
Dr. Mark W Simpson is a Pediatrics Physician provider (Pediatrics) practicing in Cary, NC, registered in the NPPES registry with NPI 1922048966 since 2006. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1922048966 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Mark W Simpson |
| Credential | MD |
| Sex | Male |
| Practice address | 1001 CRESCENT GRN, Cary, NC, 27518 |
| Phone | 9192353042 |
| Fax | 9192353094 |
| Enumeration date | 2006-06-07 |
| Last updated in NPPES | 2012-01-26 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 208000000X | Pediatrics Physician | Primary | 25747 | NC |
MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 8968740 | Medicaid | NC | — |
Copy-ready billing details
Provider: Mark Simpson, MD NPI: 1922048966 Taxonomy: 208000000X (Pediatrics Physician) Address: 1001 CRESCENT GRN, Cary, NC, 27518
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1558313288 | Hope Seidel | Individual | Pediatrics Physician | Cary, NC |
| 1942253604 | Kathleen Gallagher | Individual | Pediatrics Physician | Cary, NC |
| 1003869298 | Hugh Powell | Individual | Pediatrics Physician | Cary, NC |
| 1124071212 | Brian Bowman | Individual | Pediatrics Physician | Cary, NC |
| 1124115084 | Gary Dupuy | Individual | Pediatrics Physician | Cary, NC |
| 1043420607 | Jennifer Durand-Smith | Individual | Pediatrics Physician | Cary, NC |
| 1922202779 | Holly Healy | Individual | Family Nurse Practitioner | Cary, NC |
| 1699099184 | Ernesto Villareal | Individual | Pediatrics Physician | Cary, NC |
Verify this record
Cross-check NPI 1922048966 against the authoritative CMS record: view Dr. Mark W Simpson 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 Mark Simpson?
Where does Mark Simpson practice?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-01-26.