Kenneth K. York, M.D.
Ophthalmology Physician · Glendora, CA
Kenneth K. York, M.D. is an ophthalmology physician with a practice address in Glendora, California, and NPI 1396819983, issued on Nov 17, 2006. Check the license (California G44757, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kenneth K. York
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G44757 CA
Self-reported in NPPES; status is on the state search - Practice location
- 210 S Grand Ave, Glendora, CA 91741
- Phone
- (626) 335-0266
- Enumerated
- Nov 17, 2006
- Record last updated
- Dec 31, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (626) 914-6508
- Medicare enrollment
- Enrolled (PECOS I20120402000552); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1979
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 210 S Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mariam Arnouk, RDH, DMDDentist1740684562
- Jacqueline Bracy, M.D.Obstetrics & Gynecology Physician1396806253
- Sara DennisClinical Psychologist1790980506
- Janet Fermin, MDPediatrics Physician1891771143
- Richard Forgey, O.D.Optometrist1760555361
- Ron Gutmark, MDOphthalmology Physician1609189893
Verify Kenneth K. York in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average ophthalmology physician in 2024
958 Medicare Part D claims for 162 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Vyzulta108 claims
- Tobramycin-Dexamethasone97 claims
- Timolol Maleate85 claims
- Lumigan74 claims
- Brimonidine Tartrate73 claims
- Latanoprost67 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): 0 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: $140.37
2 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.
Kenneth K. York among 2,899 ophthalmology physician records in California
Kenneth K. York, 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 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
- Graduated1979 · median 2001 among the 1,907 with a school on file
- Record last updated2010 · 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 Glendora → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Antoine GarabetGlendora, CA 917411871977645
- Ron Gutmark, MDGlendora, CA 917411609189893
- Mark Kislinger, M.D.Glendora, CA 917411477733772
- Vicky Pai, M.D.Glendora, CA 917411740485895
- Jose Briones, MDGlendora, CA 917401508859828
- Abraham Shammas, MDGlendora, CA 917401407030075
- Garlan Lo, M.D.Hacienda Heights, CA 917451043276140
- Danielle Lo, M.D.Hacienda Heights, CA 917451164878948
Common questions
What is Kenneth K. York, M.D.'s NPI number?
Kenneth K. York, M.D.'s National Provider Identifier (NPI) is 1396819983, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth K. York, M.D. located?
The NPPES record lists a practice address at 210 S Grand Ave, Glendora, CA, 91741. Phone: (626) 335-0266. Providers update this record themselves, so call before visiting.
How can I verify Kenneth K. York, M.D.'s license?
NPPES lists California license number G44757, 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 Kenneth K. York, M.D. prescribe under Medicare Part D?
In 2024, Kenneth K. York, M.D. had 958 Medicare Part D claims for 162 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Kenneth K. York, M.D.'s MIPS final score?
The 2023 MIPS final score is 0 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.