HOWARD GUAN, M.D.

Ophthalmology - Glaucoma Specialist

Active Individual
NPI: 1134427636

Practice Address

340 RANCHEROS DRIVE
SUITES 164/166
San Marcos, CA 92069

Phone: (760) 598-0400

Specialties

Specialty Code Primary License
Ophthalmology 207W00000X No A119766 (CA)
Ophthalmology - Glaucoma Specialist 207WX0009X Yes A119766 (CA)

Frequently Asked Questions

NPI 1134427636 is the National Provider Identifier for HOWARD GUAN, M.D., a Ophthalmology - Glaucoma Specialist provider located in San Marcos, CA. This NPI was enumerated on March 7, 2011.
HOWARD GUAN, M.D. practices at 340 RANCHEROS DRIVE, SUITES 164/166, San Marcos, CA 92069.

Quick Facts

NPI
1134427636
Type
Individual
Enumerated
Mar 7, 2011
Last Updated
Oct 21, 2025

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