Ken Lin, M.D., PH.D.
Glaucoma Specialist (Ophthalmology) Physician · Irvine, CA
Ken Lin, M.D., PH.D. is a glaucoma specialist (ophthalmology) physician with a practice address in Irvine, California, and NPI 1205153939, issued on Apr 20, 2010. Check the license (California A120946, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ken Lin
- Credential
- M.D., PH.D.
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License number
- A120946 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 20, 2010
- Record last updated
- Jan 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140710002337); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2010
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 70 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.
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- Andrew Browne, M.D., PH.D.Retina Specialist (Ophthalmology) Physician1154615383
- Teresa Chen, MDOphthalmology Physician1679034367
- Katherine Chuang, MDOphthalmology Physician1356831929
- Robert Crow, MDNeuro-ophthalmology Physician1285646398
Verify Ken Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
3,211 Medicare Part D claims for 566 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost988 claims
- Dorzolamide-Timolol529 claims
- Brimonidine Tartrate382 claims
- Timolol Maleate147 claims
- Lumigan122 claims
- Rhopressa116 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,016.91
4 payments; by number, the most common kind was consulting fee; the largest payer was Alcon Research LLC. The 391 providers of this specialty with any payment received $5,284.60 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
- Regents OF The University OF CaliforniaOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ken Lin among 70 glaucoma specialist (ophthalmology) physician records in California
Ken Lin, M.D., PH.D. is one of 70 glaucoma specialist (ophthalmology) physician records with a practice address in California. 97% 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 27% of them.
- NPI issued2010 · 27% of these records are older, 67% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated2010 · median 2013 among the 65 with a school on file
- Record last updated2019 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in California
There are 70 glaucoma specialist (ophthalmology) physician records in California.
All 70 in California → Every provider in Irvine → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Austin Fox, M.D.Irvine, CA 926171851740591
- Sameh Mosaed, MDIrvine, CA 926171275613432
- Andrew Smith, M.D.Irvine, CA 926971215460670
- Anand Bhatt, MDSanta Ana, CA 927051831358977
- Eric Chan, M.D.Riverside, CA 925061427443316
- Anthony GregorySan Bernardino, CA 924041467784389
- Igor Bussel, MDFullerton, CA 928351699193367
- Sahil Aggarwal, MDVictorville, CA 923951497216428
Common questions
What is Ken Lin, M.D., PH.D.'s NPI number?
Ken Lin, M.D., PH.D.'s National Provider Identifier (NPI) is 1205153939, issued on Apr 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ken Lin, M.D., PH.D. 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 Ken Lin, M.D., PH.D.'s license?
NPPES lists California license number A120946, 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 Ken Lin, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Ken Lin, M.D., PH.D. had 3,211 Medicare Part D claims for 566 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
What is Ken Lin, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.