Norman Hontin Liu, M.D.
Ophthalmology Physician · Garden Grove, CA
Norman Hontin Liu, M.D. is an ophthalmology physician with a practice address in Garden Grove, California, and NPI 1861492860, issued on Aug 1, 2005. Check the license (California A63593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Norman Hontin Liu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A63593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12665 Garden Grove Blvd, Garden Grove, CA 92843
- Phone
- (714) 534-8373
- Enumerated
- Aug 1, 2005
- Record last updated
- Jun 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (714) 534-8759
- Medicaid ID
- 00A635930 CA
- Medicare enrollment
- Enrolled (PECOS I20091002000489); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 12665 Garden Grove Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mumtaz Ali, M.DSpecialist1700849049
- James Boyce, M.D.Ophthalmology Physician1457351652
- Allen Chou, MDGeriatric Medicine (Internal Medicine) Physician1215919915
- Douglas Clark, M.D.Internal Medicine Physician1780688572
- Naveen Dhar, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1871604116
- Usha Dhar, M.D.Family Medicine Physician1699886846
Verify Norman Hontin Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average ophthalmology physician in 2024
2,944 Medicare Part D claims for 487 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.
Most prescribed
- Latanoprost1,016 claims
- Prednisolone Acetate229 claims
- Xiidra193 claims
- Ketorolac Tromethamine165 claims
- Ciprofloxacin Hcl156 claims
- Cyclosporine138 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $309.06
12 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- Orange County Ophthalmology Medical Group.Garden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Norman Hontin Liu among 2,899 ophthalmology physician records in California
Norman Hontin Liu, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2001 among the 1,907 with a school on file
- Record last updated2013 · 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 Garden Grove → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Boyce, M.D.Garden Grove, CA 928431457351652
- Kourosh Dastgheib, MDGarden Grove, CA 928431578523593
- George Mayo, M.D.Garden Grove, CA 928431265591994
- Ryan Taban, M.D.Garden Grove, CA 928431235253196
- Paul Lee, MDGarden Grove, CA 928441003838012
- Richard Nguyen, M.D.Garden Grove, CA 928441134178486
- Elizabeth Du, M.D.Garden Grove, CA 928401730393398
- J Berbos, M.D.Fullerton, CA 928351467596114
Common questions
What is Norman Hontin Liu, M.D.'s NPI number?
Norman Hontin Liu, M.D.'s National Provider Identifier (NPI) is 1861492860, issued on Aug 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Norman Hontin Liu, M.D. located?
The NPPES record lists a practice address at 12665 Garden Grove Blvd, Garden Grove, CA, 92843. Phone: (714) 534-8373. Providers update this record themselves, so call before visiting.
How can I verify Norman Hontin Liu, M.D.'s license?
NPPES lists California license number A63593, 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 Norman Hontin Liu, M.D. prescribe under Medicare Part D?
In 2024, Norman Hontin Liu, M.D. had 2,944 Medicare Part D claims for 487 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Norman Hontin Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.