Emily Louise Wenzler-Chapman, O.D.
Optometrist · San Dimas, CA
Emily Louise Wenzler-Chapman, O.D. is an optometrist with a practice address in San Dimas, California, and NPI 1851352066, issued on Mar 29, 2006. Check the license (California 12439T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Emily Louise Wenzler-Chapman
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12439T CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 N Lone Hill Ave, San Dimas, CA 91773
- Phone
- (909) 394-4545
- Enumerated
- Mar 29, 2006
- Record last updated
- Apr 5, 2022
- Fax
- (909) 394-2323
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 520 N Lone Hill Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Santi Srijumnong, PHARMDPharmacist1275044141
- Inness Wan, RPHPharmacist1194964189
Verify Emily Louise Wenzler-Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12439TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average optometrist in 2024
24 Medicare Part D claims for 18 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 88% of claims.
Most prescribed
- Prednisolone Acetate21 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.
Industry payments in 2024: $131.41
3 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 34,453 providers of this specialty with any payment received $769.99 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.
Emily Louise Wenzler-Chapman among 8,308 optometrist records in California
Emily Louise Wenzler-Chapman, O.D. is one of 8,308 optometrist records with a practice address in California. 67% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2022 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 optometrist records list a practice address in San Dimas
They are 18 of the 942 NPPES records with a practice address in San Dimas, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Dimas → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Suzan Burmayan, ODSan Dimas, CA 917731619498078
- Jennifer Chan, ODSan Dimas, CA 917731447734439
- Erin Duncan, ODSan Dimas, CA 917731821191222
- Richard Garratt, O.D.San Dimas, CA 917731598813800
- Abigayle Gutierrez, ODSan Dimas, CA 917731134640048
- Joann Henwood, O.D.San Dimas, CA 917731689024523
- Kellie-Anne Ishii-Kim, ODSan Dimas, CA 917731710465372
- Julie Lam, O.D.San Dimas, CA 917731730560889
Common questions
What is Emily Louise Wenzler-Chapman, O.D.'s NPI number?
Emily Louise Wenzler-Chapman, O.D.'s National Provider Identifier (NPI) is 1851352066, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Emily Louise Wenzler-Chapman, O.D. located?
The NPPES record lists a practice address at 520 N Lone Hill Ave, San Dimas, CA, 91773. Phone: (909) 394-4545. Providers update this record themselves, so call before visiting.
How can I verify Emily Louise Wenzler-Chapman, O.D.'s license?
NPPES lists California license number 12439T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Emily Louise Wenzler-Chapman, O.D. prescribe under Medicare Part D?
In 2024, Emily Louise Wenzler-Chapman, O.D. had 24 Medicare Part D claims for 18 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
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.