Leo H. Kan, DO
Ophthalmology Physician · Placentia, CA
Leo H. Kan, DO is an ophthalmology physician with a practice address in Placentia, California, and NPI 1447338926, issued on Nov 1, 2006. Check the license (California 20A9163, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Leo H. Kan
- Credential
- DO
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- 20A9163 CA
1433 SC
OP60291650 WA
Self-reported in NPPES; status is on the state search - Practice location
- 377 E Chapman Ave, Placentia, CA 92870
- Phone
- (714) 572-2039
- Enumerated
- Nov 1, 2006
- Record last updated
- Sep 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190312000814); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 1998
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 377 E Chapman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leo H. Kan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9163Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average ophthalmology physician in 2024
121 Medicare Part D claims for 32 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost98 claims
- Brimonidine Tartrate12 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): 22.5 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).
Leo H. Kan among 2,899 ophthalmology physician records in California
Leo H. Kan, DO 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
- Graduated1998 · 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 Placentia → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Peter Glickman, M.D.Placentia, CA 928701851644587
- John Marshburn, M.D.Placentia, CA 928701245246164
- Anjali Tapadia, MDPlacentia, CA 928701497167787
- Masumi Asahi, DOOrange, CA 928681962963769
- Daniel Azzam, MDOrange, CA 928681437737582
- Arthika ChandramohanOrange, CA 928681033563069
- Lauren ChenOrange, CA 928681588240089
- Timothy Chen, M.DOrange, CA 928681821617259
Common questions
What is Leo H. Kan, DO's NPI number?
Leo H. Kan, DO's National Provider Identifier (NPI) is 1447338926, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leo H. Kan, DO located?
The NPPES record lists a practice address at 377 E Chapman Ave, Placentia, CA, 92870. Phone: (714) 572-2039. Providers update this record themselves, so call before visiting.
How can I verify Leo H. Kan, DO's license?
NPPES lists California license number 20A9163, 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 Leo H. Kan, DO prescribe under Medicare Part D?
In 2024, Leo H. Kan, DO had 121 Medicare Part D claims for 32 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Leo H. Kan, DO's MIPS final score?
The 2023 MIPS final score is 22.5 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.