DR. TERRY HSIEH MD, PHD
NPI 1497251367
Ophthalmology in Irvine, CA
About Dr. Terry Hsieh Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TERRY HSIEH MD, PHD (NPI 1497251367) is an individual ophthalmology provider in Irvine, California, licensed in California (A164534) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Boston University School Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Terry Hsieh Md, Phd 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.
Medicare Billing Reassignments
3Medicare enrollment records show Terry Hsieh reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 113 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92617 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IRVINE, CA 92617
IRVINE, CA 92617
IRVINE, CA 92617
IRVINE, CA 92617
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 Terry Hsieh's NPI number?
The NPI number for Terry Hsieh is 1497251367. It was assigned to this individual provider in the NPPES registry on April 1, 2018.
Where is Terry Hsieh located?
Terry Hsieh practices at 850 Health Sciences Rd, Irvine, CA 92617. The listed phone number is (949) 824-2020.
What is Terry Hsieh's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Terry Hsieh enrolled in Medicare?
Yes. Terry Hsieh 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.
Which organizations bill Medicare for Terry Hsieh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Terry Hsieh reassigns Medicare benefits to 3 organizations: Regents Of The University Of California (Orange, CA), Regents Of The University Of California (Orange, CA) and Southern California Permanente Medical Group (Anaheim, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Terry Hsieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Terry Hsieh was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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. Terry Hsieh, MD, PHD · NPI 1497251367
Ophthalmology physician in Irvine, California. Individual provider, active in the CMS NPPES registry since April 1, 2018.
## Identity
- **NPI:** 1497251367 (Entity type: Individual)
- **Enumerated:** April 1, 2018
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A164534 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 850 HEALTH SCIENCES RD, Irvine, CA 92617-3058
- **Phone:** (949) 824-2020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1487602579, Orange, CA); Regents Of The University Of California (NPI 1871541953, Orange, CA); Southern California Permanente Medical Group (NPI 1952333460, Anaheim, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** October 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497251367) · Data from the CMS NPPES public registry.