Wendy Yvette May Shem, O.D.
Optometrist · Pasadena, CA
Wendy Yvette May Shem, O.D. is an optometrist with a practice address in Pasadena, California, and NPI 1821050162, issued on Apr 3, 2006. Check the license (California 10731T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy Yvette May Shem
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 10731T CA
10731TPG CA
Self-reported in NPPES; status is on the state search - Practice location
- 1368 E Walnut St, Pasadena, CA 91106
- Phone
- (626) 796-3105
- Enumerated
- Apr 3, 2006
- Record last updated
- Feb 27, 2023
- Fax
- (626) 796-8816
- Medicaid ID
- 1821050162 CA
- Medicare enrollment
- Enrolled (PECOS I20160701001829); accepts Medicare assignment
- Medical or professional school
- University Of Houston - College Of Optometry, 1996
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1368 E Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Chan, O.D.Optometrist1770692436
- Kristen Phifer, ODOptometrist1922643295
Verify Wendy Yvette May Shem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 10731TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average optometrist in 2024
32 Medicare Part D claims for 17 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
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: $1,137.74
16 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. 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.
Bills Medicare through one group practice
- Wyse Willa Optometry IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wendy Yvette May Shem among 8,308 optometrist records in California
Wendy Yvette May Shem, 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 fileYes · 43% of these records are
- Graduated1996 · median 2008 among the 3,573 with a school on file
- Record last updated2023 · 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).
90 optometrist records list a practice address in Pasadena
They are 90 of the 10,525 NPPES records with a practice address in Pasadena, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Pasadena → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Victor Arai, O.D.Pasadena, CA 911061225009202
- Christine Chan, O.D.Pasadena, CA 911061770692436
- Carolyn Gabriel, O.D.Pasadena, CA 911061386603314
- Sandy Gee, O.D.Pasadena, CA 911061417926593
- Kristen Phifer, ODPasadena, CA 911061922643295
- Elizabeth Snowden-Ifft, O.D.Pasadena, CA 911061376579342
- Craig Van Woerkom, O.D.Pasadena, CA 911061811965320
- Kosol Vipapan, O.D.Pasadena, CA 911061366552432
Common questions
What is Wendy Yvette May Shem, O.D.'s NPI number?
Wendy Yvette May Shem, O.D.'s National Provider Identifier (NPI) is 1821050162, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Yvette May Shem, O.D. located?
The NPPES record lists a practice address at 1368 E Walnut St, Pasadena, CA, 91106. Phone: (626) 796-3105. Providers update this record themselves, so call before visiting.
How can I verify Wendy Yvette May Shem, O.D.'s license?
NPPES lists California license number 10731T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy Yvette May Shem, O.D. prescribe under Medicare Part D?
In 2024, Wendy Yvette May Shem, O.D. had 32 Medicare Part D claims for 17 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.