DR. IRENE BRANDI TAN OD
NPI 1740893304
Optometrist in Sierra Vista, AZ
About Dr. Irene Brandi Tan Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IRENE BRANDI TAN OD (NPI 1740893304) is an individual optometrist in Sierra Vista, Arizona, licensed in California (34656) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Irene Brandi Tan Od is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85635 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIERRA VISTA, AZ 85635
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Irene Tan's NPI number?
The NPI number for Irene Tan is 1740893304. It was assigned to this individual provider in the NPPES registry on August 24, 2020.
Where is Irene Tan located?
Irene Tan practices at 101 N Coronado Dr Ste A, Sierra Vista, AZ 85635. The listed phone number is (520) 459-1529.
What is Irene Tan's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Irene Tan enrolled in Medicare?
Yes. Irene Tan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Irene Tan accept?
Health plans from Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Irene Tan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Irene Tan was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Irene Brandi Tan, OD · NPI 1740893304
Optometrist provider in Sierra Vista, Arizona. Individual provider, active in the CMS NPPES registry since August 24, 2020.
## Identity
- **NPI:** 1740893304 (Entity type: Individual)
- **Enumerated:** August 24, 2020
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34656 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 101 N CORONADO DR STE A, Sierra Vista, AZ 85635-6359
- **Phone:** (520) 459-1529
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** Southern California College Of Optometry, class of 2020
## Record status
- **NPPES last updated:** August 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740893304) · Data from the CMS NPPES public registry.