NPPES file of Aug 9, 2026

Shirley Chew, OD

Optometrist · Baldwin Park, CA

Shirley Chew, OD is an optometrist with a practice address in Baldwin Park, California, and NPI 1588712426, issued on Jan 8, 2007. Check the license (California OPT10474T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588712426
Name
Shirley Chew
Credential
OD
Primary taxonomy
Optometrist 152W00000X
License number
OPT10474T CA
Self-reported in NPPES; status is on the state search
Practice location
1011 Baldwin Park Blvd, Baldwin Park, CA 91706
Phone
(626) 851-1011
Enumerated
Jan 8, 2007
Record last updated
Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050108000134); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1011 Baldwin Park Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Abdulla, M.D.Surgery Physician1699200840
  2. Julia Aburto-Erazo, NPNurse Practitioner1922175777
  3. Mauricio Acevedo, MDInternal Medicine Physician1659442614
  4. Helen Achio, PHARM.D.Pharmacist1225114614
  5. Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
  6. Soma Agarwal, MDOphthalmology Physician1437220316

Verify Shirley Chew in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license OPT10474T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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25% fewer Medicare Part D claims than the average optometrist in 2024

209 Medicare Part D claims for 65 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Shirley Chew209
  2. Specialty average277

Most prescribed

  1. Latanoprost142 claims
  2. Dorzolamide-Timolol31 claims
  3. Cyclosporine22 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupBaldwin Park, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shirley Chew among 8,308 optometrist records in California

Shirley Chew, OD 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated1995 · median 2008 among the 3,573 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 optometrist records list a practice address in Baldwin Park

They are 23 of the 1,055 NPPES records with a practice address in Baldwin Park, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Phyllis Ardary, ODBaldwin Park, CA 917061134277056
  2. Robert Chew, ODBaldwin Park, CA 917061801944749
  3. Linda Chun, ODBaldwin Park, CA 917061770631681
  4. Melissa Ghoo, O.D.Baldwin Park, CA 917061730244096
  5. Karen Kang, ODBaldwin Park, CA 917061467577965
  6. Alan Leventhal, ODBaldwin Park, CA 917061669409710
  7. Daniel Martinez, O.D.Baldwin Park, CA 917061184688004
  8. Marjan Nadimi, O.D.Baldwin Park, CA 917061104973957

Common questions

What is Shirley Chew, OD's NPI number?

Shirley Chew, OD's National Provider Identifier (NPI) is 1588712426, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Shirley Chew, OD located?

The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.

How can I verify Shirley Chew, OD's license?

NPPES lists California license number OPT10474T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Shirley Chew, OD prescribe under Medicare Part D?

In 2024, Shirley Chew, OD had 209 Medicare Part D claims for 65 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.