Dr. Roy Pillsub Won , MD
Colon & Rectal Surgery • Fullerton, CA
Professional Overview & Biography Verified Profile Summary
Dr. Roy Won, MD is a certified Colon & Rectal Surgery practicing in Fullerton, CA. With approximately 13 years of clinical experience since graduating from University Of Cincinnati College Of Medicine in 2013, Dr. Won delivers high-quality medical care to the local community at 1950 SUNNY CREST DR STE 3500.
Dr. Won maintains professional affiliations with Providence Medical Foundation, Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc and accepts Medicare assignment.
Practice Location & Contact Primary Location
1950 Sunny Crest Dr Ste 3500
Fullerton, CA 928353646
Medicare Profile & Education
University Of Cincinnati College Of Medicine
2013
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Colon & Rectal Surgery in Fullerton, CA
Practicing in Fullerton, CA (205 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Medical Specialties & State Licenses
CMS Verified: 2025-08-25NUCC Taxonomy Code: 208C00000X
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
NUCC Taxonomy Code: 208C00000X
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Providence Medical Foundation
1950 Sunny Crest Dr, Fullerton, CA 928353646
Phone: 7144084249
Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc
1221 Mercantile Ln, Largo, MD 207745374
Phone: 3016185700
Secondary Practice Locations
106 Vision Park Blvd
Shenandoah, TX 773843000
Phone: 7134421800
15655 Cypress Wood Medical Dr Ste 100
Houston, TX 770141487
Phone: 7134421700
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Surgery
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Colon & Rectal Surgery
Doctor of Medicine (M.D.)
Surgery
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1950 SUNNY CREST DR STE 3500, FULLERTON, CA 928353646 (Tel: 7144084249)
Registered at 1950 SUNNY CREST DR STE 3500, FULLERTON, CA 928353646 (Tel: 7144084249)
Registered at 106 VISION PARK BLVD, SHENANDOAH, TX 773843000 (Tel: 7134421800)
Registered at 11511 SHADOW CREEK PKWY, PEARLAND, TX 775847298 (Tel: 7134420000)
Colon & Rectal Surgery (License #S6980 in TX)
NPI status registered as active in NPPES database
Registered at 1000 W CARSON ST # 461, TORRANCE, CA 905022004 (Tel: 3102222700)
Registered at 1000 W CARSON ST # 461, TORRANCE, CA 905022004 (Tel: 3102222700)
Recorded as ROY WON, M.D.
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1950 Sunny Crest Dr Ste 3500
Fullerton, CA 928353646
Phone: 7144084249
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