Terry Hsieh, MD, PHD
Ophthalmology Physician · Irvine, CA
Terry Hsieh, MD, PHD is an ophthalmology physician with a practice address in Irvine, California, and NPI 1497251367, issued on Apr 1, 2018. Check the license (California A164534, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Terry Hsieh
- Credential
- MD, PHD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A164534 CA
Self-reported in NPPES; status is on the state search - Practice location
- 850 Health Sciences RD, Irvine, CA 92617
- Phone
- (949) 824-2020
- Enumerated
- Apr 1, 2018
- Record last updated
- Oct 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20220527002100); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 850 Health Sciences RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashraf Ahmad, M.D.Ophthalmology Physician1689108425
- Yosur AlsulaimanOphthalmology Physician1457204661
- Andrew Browne, M.D., PH.D.Retina Specialist (Ophthalmology) Physician1154615383
- Teresa Chen, MDOphthalmology Physician1679034367
- Katherine Chuang, MDOphthalmology Physician1356831929
- Robert Crow, MDNeuro-ophthalmology Physician1285646398
Verify Terry Hsieh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A164534Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average ophthalmology physician in 2024
148 Medicare Part D claims for 54 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Dorzolamide-Timolol34 claims
- Latanoprost19 claims
- Timolol Maleate17 claims
- Prednisolone Acetate16 claims
- Ketorolac Tromethamine14 claims
- Brimonidine Tartrate12 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.
Industry payments in 2024: $911.49
8 payments; by number, the most common kind was food and beverage; the largest payer was Alimera Sciences, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSanta Ana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terry Hsieh among 2,899 ophthalmology physician records in California
Terry Hsieh, MD, PHD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 90% of them.
- NPI issued2018 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2018 · median 2001 among the 1,907 with a school on file
- Record last updated2024 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Irvine → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ashraf Ahmad, M.D.Irvine, CA 926171689108425
- Yosur AlsulaimanIrvine, CA 926171457204661
- Teresa Chen, MDIrvine, CA 926171679034367
- Katherine Chuang, MDIrvine, CA 926171356831929
- Lisa Collea, MDIrvine, CA 926171023174182
- Kevin Jwo, M.D.Irvine, CA 926171346501137
- Changyow KwanIrvine, CA 926171588110423
- Christine LinIrvine, CA 926171912224809
Common questions
What is Terry Hsieh, MD, PHD's NPI number?
Terry Hsieh, MD, PHD's National Provider Identifier (NPI) is 1497251367, issued on Apr 1, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Terry Hsieh, MD, PHD located?
The NPPES record lists a practice address at 850 Health Sciences RD, Irvine, CA, 92617. Phone: (949) 824-2020. Providers update this record themselves, so call before visiting.
How can I verify Terry Hsieh, MD, PHD's license?
NPPES lists California license number A164534, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Terry Hsieh, MD, PHD prescribe under Medicare Part D?
In 2024, Terry Hsieh, MD, PHD had 148 Medicare Part D claims for 54 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.