DR. ELIZABETH CHEN CHIANG MD, PHD
NPI 1336464882
Ophthalmology in Sioux Falls, SD
About Dr. Elizabeth Chen Chiang Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELIZABETH CHEN CHIANG MD, PHD (NPI 1336464882) is an individual ophthalmology provider in Sioux Falls, South Dakota, licensed in South Dakota (15656) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with Summa Health System, and maintains a secondary practice location in Peoria.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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. Elizabeth Chen Chiang 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
6Medicare enrollment records show Elizabeth Chiang reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57108
- Reassigned Medicare billing, South Dakota enrollment
- 14 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 27 clinicians in this Medicare group
Findlay, OH 45840
- Reassigned Medicare billing, Ohio enrollment
- 23 clinicians in this Medicare group
Medina, OH 44256
- Reassigned Medicare billing, Ohio enrollment
- 655 clinicians in this Medicare group
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 clinicians in this Medicare group
Painesville, OH 44077
- Reassigned Medicare billing, Ohio enrollment
- 4 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.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Summa Health System
Acute Care Hospitals · Akron, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57108 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.
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 Elizabeth Chiang's NPI number?
The NPI number for Elizabeth Chiang is 1336464882. It was assigned to this individual provider in the NPPES registry on March 28, 2010.
Where is Elizabeth Chiang located?
Elizabeth Chiang practices at 6601 S Minnesota Ave Ste 200, Sioux Falls, SD 57108. The listed phone number is (605) 336-6294.
What is Elizabeth Chiang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Elizabeth Chiang enrolled in Medicare?
Yes. Elizabeth Chiang 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 Elizabeth Chiang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Chiang reassigns Medicare benefits to 6 organizations: Ophthalmology Ltd (Sioux Falls, SD), Wyman Sicher Eye Associates Sc (Peoria, IL), Spectrum Eye Care, Inc. (Findlay, OH), Summa Physicians LLC (Medina, OH), The Metrohealth System (Cleveland, OH) and 1 more organization, listed in the Medicare section above. 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 Elizabeth Chiang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Chiang accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Anthem Blue Cross and Blue Shield and 2 other insurers list Elizabeth Chiang 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.
Is Elizabeth Chiang affiliated with any hospitals?
According to CMS data, Elizabeth Chiang is affiliated with Summa Health System.
When was this NPI record last updated?
The NPPES record for Elizabeth Chiang was last updated on October 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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. Elizabeth Chen Chiang, MD, PHD · NPI 1336464882
Ophthalmology physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since March 28, 2010.
## Identity
- **NPI:** 1336464882 (Entity type: Individual)
- **Enumerated:** March 28, 2010
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 15656 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 6601 S MINNESOTA AVE STE 200, Sioux Falls, SD 57108
- **Phone:** (605) 336-6294
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Ophthalmology Ltd (NPI 1871589531, Sioux Falls, SD); Wyman Sicher Eye Associates Sc (NPI 1679593123, Peoria, IL); Spectrum Eye Care, Inc. (NPI 1821095381, Findlay, OH); Summa Physicians LLC (NPI 1003061243, Medina, OH); The Metrohealth System (NPI 1053353896, Cleveland, OH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** October 28, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1336464882) · Data from the CMS NPPES public registry.