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

Individual provider Optometrist · NPI 1740893304

Dr. Irene Brandi Tan, OD is an Optometry in Sierra Vista, Arizona. Graduated from Southern California College of Optometry in 2020, 6 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
6
Trained at
Southern California College of Optometry
Licensed in
CA
In the registry since
2020
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

101 N Coronado Dr Ste A
Sierra Vista, AZ 85635-6359
Phone: (520) 459-1529
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 34656 (CA)

Record details

NPI number1740893304
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedAugust 24, 2020
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

Medicare enrollment

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

Medicare specialtyOPTOMETRY
Medical schoolSOUTHERN CALIFORNIA COLLEGE OF OPTOMETRY
Graduated 2020 (6 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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