Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. James Sytuan Winn, DO

Individual provider Emergency Medicine Physician · NPI 1336183730

Dr. James Sytuan Winn, DO is an Emergency Medicine in Chino, California. Graduated from College of Osteo Med of the Pacific at Pomona in 1989, 37 years ago. Practices with Ignite Emergency Physicians a Medical Corporation, a 44-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Trained at
College of Osteo Med of the Pacific at Pomona
Licensed in
CA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

5451 Walnut Ave
Chino, CA 91710-2609
Phone: (909) 464-8666
Fax: (909) 464-8913
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 20A5927 (CA)

Record details

NPI number1336183730
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 15, 2006
Last updated in NPPESApril 27, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolCOLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduated 1989 (37 years in practice)
Group practice Ignite Emergency Physicians A Medical Corporation — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Chino