NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas S Won, M.D.

Orthopaedic Surgery of the Spine Physician in Irving, TX · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1194765552

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Douglas S Won
Credential M.D.
Sex Male
Practice address 4301 N Macarthur Blvd, Suite 101, Irving, TX, 75038
Phone (972) 255-5588
Fax (972) 255-6688
Enumeration date Jun 7, 2006
Last updated in NPPES Feb 2, 2010

Taxonomy & licenses

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License L9018 (TX) Primary
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
P00218970 Other TX RAILROAD MEDICARE
0047LY Other TX BLUE CROSS
171385101 Medicaid TX -

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Douglas Won?
The National Provider Identifier (NPI) for Douglas Won is 1194765552, a Type 1 (individual) record in the CMS NPPES registry.
Where does Douglas Won practice?
The practice location on file with NPPES is in Irving, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-02.