# HOWARD D GUAN, MD
> **OPHTHALMOLOGY** · SAN MARCOS, CA
## Provider
- **NPI:** 1134427636
- **Credential:** MD
- **Primary specialty:** OPHTHALMOLOGY
- **Gender:** Male
- **Medical school:** LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
- **Graduation year:** 2010
## Practice
- **Address:** 100 N RANCHO SANTA FE RD, SAN MARCOS, CA 920691294
- **Phone:** 7605980400
- **Accepts Medicare assignment:** Yes (individual)
- **Telehealth:** No
## Source
- [NPI Registry](https://npiregistry.cms.hhs.gov/provider-view/1134427636)
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