Joseph K. Wu, O.D.
Optometrist · Irvine, CA
Joseph K. Wu, O.D. is an optometrist with a practice address in Irvine, California, and NPI 1386797884, issued on Jan 19, 2007. Check the license (California 13017, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joseph K. Wu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13017 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4605 Barranca Pkwy Ste 100, Irvine, CA 92604
- Phone
- (949) 551-2002
- Enumerated
- Jan 19, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 733-0149
- Medicare enrollment
- Enrolled (PECOS I20070412000653); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2006
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Joseph K. Wu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.3 times the Medicare Part D claims of the average optometrist in 2024
1,202 Medicare Part D claims for 369 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Latanoprost356 claims
- Erythromycin209 claims
- Dorzolamide-Timolol177 claims
- Levobunolol Hcl115 claims
- Brimonidine Tartrate79 claims
- Cyclosporine67 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
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph K. Wu among 8,308 optometrist records in California
Joseph K. Wu, 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 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
- Graduated2006 · 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).
84 optometrist records list a practice address in Irvine
They are 84 of the 7,778 NPPES records with a practice address in Irvine, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Irvine → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Lena Chang, O.D.Irvine, CA 926041932120540
- Gita Ghadimi, OPTOMETRISTIrvine, CA 926041609968130
- Virgil Holland, O.D.Irvine, CA 926041942361225
- Raymond Huang, ODIrvine, CA 926041821136565
- Rebecca Kammer, ODIrvine, CA 926041093818403
- Paul Kim, ODIrvine, CA 926041275654857
- Stanton Kim, O.D.,FOAAIrvine, CA 926041497978357
- Christopher Likens, O.D.Irvine, CA 926041497827935
Common questions
What is Joseph K. Wu, O.D.'s NPI number?
Joseph K. Wu, O.D.'s National Provider Identifier (NPI) is 1386797884, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph K. Wu, O.D. located?
The NPPES record lists a practice address at 4605 Barranca Pkwy Ste 100, Irvine, CA, 92604. Phone: (949) 551-2002. Providers update this record themselves, so call before visiting.
How can I verify Joseph K. Wu, O.D.'s license?
NPPES lists California license number 13017, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Joseph K. Wu, O.D. prescribe under Medicare Part D?
In 2024, Joseph K. Wu, O.D. had 1,202 Medicare Part D claims for 369 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.