Crystal Hung, M.D.
Ophthalmology Physician · Los Angeles, CA
Crystal Hung, M.D. is an ophthalmology physician with a practice address in Los Angeles, California, and NPI 1265663520, issued on Aug 5, 2009. Check the license (California A115667, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Crystal Hung
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A115667 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Stein Plz, Los Angeles, CA 90095
- Phone
- (310) 825-4617
- Enumerated
- Aug 5, 2009
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 100 Stein Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana Abrahamyan, ODOptometrist1538834932
- Diego AriasOphthalmology Physician1346998093
- Reginald Ariyasu, MDOphthalmology Physician1285654939
- William Astle, MDOphthalmology Physician1700808276
- Adrian Au, MDRetina Specialist (Ophthalmology) Physician1124482450
- Saghar Bagheri, MDGlaucoma Specialist (Ophthalmology) Physician1821627399
Verify Crystal Hung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,484 Medicare Part D claims for 353 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost293 claims
- Dorzolamide-Timolol272 claims
- Brimonidine Tartrate151 claims
- Tafluprost142 claims
- Vyzulta84 claims
- Timolol Maleate81 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: $504.60
6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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.
Crystal Hung among 2,899 ophthalmology physician records in California
Crystal Hung, M.D. 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 2009, is newer than 72% of them.
- NPI issued2009 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2021 · 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 Los Angeles → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Reginald Ariyasu, MDLos Angeles, CA 900951285654939
- Anthony Arnold, MDLos Angeles, CA 900951629098314
- William Astle, MDLos Angeles, CA 900951700808276
- John Bartlett, MDLos Angeles, CA 900951144242611
- Katherine Bergwerk, MDLos Angeles, CA 900951952323941
- Joseph Caprioli, MDLos Angeles, CA 900951417979584
- Sophie Deng, M.D.Los Angeles, CA 900951194775890
- Michael Gorin, MDLos Angeles, CA 900951578536462
Common questions
What is Crystal Hung, M.D.'s NPI number?
Crystal Hung, M.D.'s National Provider Identifier (NPI) is 1265663520, issued on Aug 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Crystal Hung, M.D. located?
The NPPES record lists a practice address at 100 Stein Plz, Los Angeles, CA, 90095. Phone: (310) 825-4617. Providers update this record themselves, so call before visiting.
How can I verify Crystal Hung, M.D.'s license?
NPPES lists California license number A115667, 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 Crystal Hung, M.D. prescribe under Medicare Part D?
In 2024, Crystal Hung, M.D. had 1,484 Medicare Part D claims for 353 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.