Elizabeth Chen Chiang, MD, PHD
Ophthalmology Physician · Sioux Falls, SD
Elizabeth Chen Chiang, MD, PHD is an ophthalmology physician with a practice address in Sioux Falls, South Dakota, and NPI 1336464882, issued on Mar 28, 2010. Check the license (South Dakota 15656, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Chen Chiang
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 15656 SD
036161362 IL
0101259867 VA
Self-reported in NPPES; status is on the state search - Practice location
- 6601 S Minnesota Ave Ste 200, Sioux Falls, SD 57108
- Phone
- (605) 336-6294
- Enumerated
- Mar 28, 2010
- Record last updated
- Oct 28, 2024
- Medicare enrollment
- Enrolled (PECOS I20190522002693); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 60 in South Dakota → Look up another NPI →
Also registered at 6601 S Minnesota Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Bordewyk, MDOphthalmology Physician1255829776
- Ryan Geraets, MDOphthalmology Physician1154441608
- Elise In't Veld, MDOphthalmology Physician1215279856
- Eric Thomas, M.D.Ophthalmology Physician1588636484
- Tyler VermeerOptometrist1801323118
- Emily Walters, O.D.Optometrist1609154608
Verify Elizabeth Chen Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 15656Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average ophthalmology physician in 2024
174 Medicare Part D claims for 126 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Erythromycin137 claims
- Neomycin-Polymyxin-Dexameth17 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Ophthalmology LtdSioux Falls, SD
- Summa Physicians LLCAkron, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Chen Chiang among 60 ophthalmology physician records in South Dakota
Elizabeth Chen Chiang, MD, PHD is one of 60 ophthalmology physician records with a practice address in South Dakota. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2010 · median 2009 among the 38 with a school on file
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in South Dakota
There are 60 ophthalmology physician records in South Dakota.
All 60 in South Dakota → Every provider in Sioux Falls → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Elizabeth Atchison, M.D.Sioux Falls, SD 571081669738183
- John Berdahl, M.D.Sioux Falls, SD 571081871761577
- Dustin Dierks, MDSioux Falls, SD 571081629057666
- Michael Eide, M.D.Sioux Falls, SD 571081710152061
- Ryan Geraets, MDSioux Falls, SD 571081154441608
- Bryan Hammer, M.D.Sioux Falls, SD 571081992766026
- Byron Hohm, M.D.Sioux Falls, SD 571081780645887
- Elise In't Veld, MDSioux Falls, SD 571081215279856
Common questions
What is Elizabeth Chen Chiang, MD, PHD's NPI number?
Elizabeth Chen Chiang, MD, PHD's National Provider Identifier (NPI) is 1336464882, issued on Mar 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Chen Chiang, MD, PHD located?
The NPPES record lists a practice address at 6601 S Minnesota Ave Ste 200, Sioux Falls, SD, 57108. Phone: (605) 336-6294. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Chen Chiang, MD, PHD's license?
NPPES lists South Dakota license number 15656, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elizabeth Chen Chiang, MD, PHD prescribe under Medicare Part D?
In 2024, Elizabeth Chen Chiang, MD, PHD had 174 Medicare Part D claims for 126 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.