Christopher H. Hsu, MD
Ophthalmology Physician · El Cajon, CA
Christopher H. Hsu, MD is an ophthalmology physician with a practice address in El Cajon, California, and NPI 1336167618, issued on Jul 17, 2006. Check the license (California G81085, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher H. Hsu
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- G81085 CA
A65973 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 W Madison Ave, El Cajon, CA 92020
- Phone
- (619) 442-0844
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (619) 442-7399
- Medicaid ID
- 00A659730 CA
- Medicare enrollment
- Enrolled (PECOS I20051208000364); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1994
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 225 W Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cesar Benitez, M.DPsychiatry Physician1275738098
- Franklin Crystal, MDOphthalmology Physician1770591521
Verify Christopher H. Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G81085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average ophthalmology physician in 2024
4,433 Medicare Part D claims for 770 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Latanoprost904 claims
- Timolol Maleate465 claims
- Prednisolone Acetate365 claims
- Moxifloxacin322 claims
- Lumigan284 claims
- Erythromycin233 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,580.02
45 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Retina Institute OF California Medical Group, A California Medical ParSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher H. Hsu among 2,899 ophthalmology physician records in California
Christopher H. Hsu, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · median 2001 among the 1,907 with a school on file
- 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 El Cajon → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Franklin Crystal, MDEl Cajon, CA 920201770591521
- John Kownacki, MDEl Cajon, CA 920201225189418
- Douglas Miller, MDEl Cajon, CA 920201982636031
- Frank KohlEl Cajon, CA 920191649692914
- Michelle Crosby, M.D., PH.D.Encinitas, CA 920241558549303
- Srinivas Iyengar, MDEncinitas, CA 920241104030055
- Eric Johnston, MDEncinitas, CA 920241114916053
- Joan Kaestner, MDEncinitas, CA 920241184723728
Common questions
What is Christopher H. Hsu, MD's NPI number?
Christopher H. Hsu, MD's National Provider Identifier (NPI) is 1336167618, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher H. Hsu, MD located?
The NPPES record lists a practice address at 225 W Madison Ave, El Cajon, CA, 92020. Phone: (619) 442-0844. Providers update this record themselves, so call before visiting.
How can I verify Christopher H. Hsu, MD's license?
NPPES lists California license number G81085, 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 Christopher H. Hsu, MD prescribe under Medicare Part D?
In 2024, Christopher H. Hsu, MD had 4,433 Medicare Part D claims for 770 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Christopher H. Hsu, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.