Irene M. Chew, OD
Optometrist · San Francisco, CA
Irene M. Chew, OD is an optometrist with a practice address in San Francisco, California, and NPI 1306963475, issued on Mar 23, 2007. Check the license (California OPT9729TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene M. Chew
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OPT9729TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Hyde St, San Francisco, CA 94109
- Phone
- (415) 775-3392
- Enumerated
- Mar 23, 2007
- Record last updated
- Jan 3, 2022
- Fax
- (415) 776-7456
- Medicare enrollment
- Enrolled (PECOS I20121126000395); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 1991
- Entity
- Type 1 · individual
Also registered at 909 Hyde St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deborah Altemus, DODermatology Physician1821180993
- Azucena Arguelles, MDDermatology Physician1538265889
- Amy Bossen, M.D.Internal Medicine Physician1558371260
- Gary Chan, M.D.Internal Medicine Physician1699702324
- Serana Chester, PH.D.Clinical Neuropsychologist1184984734
- Ronald Clark, M.D.Surgery Physician1477631919
Verify Irene M. Chew in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license OPT9729TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 54 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Erythromycin21 claims
- Neomycin-Polymyxin-Dexameth20 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
- Permanente Medical Group IncRichmond, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Irene M. Chew, OD's NPI number?
Irene M. Chew, OD's National Provider Identifier (NPI) is 1306963475, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Irene M. Chew, OD located?
The NPPES record lists a practice address at 909 Hyde St, San Francisco, CA, 94109. Phone: (415) 775-3392. Providers update this record themselves, so call before visiting.
How can I verify Irene M. Chew, OD's license?
NPPES lists California license number OPT9729TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Irene M. Chew, OD prescribe under Medicare Part D?
In 2024, Irene M. Chew, OD had 66 Medicare Part D claims for 54 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.