Joseph Wu, O.D.
NPI 1386797884 · Optometrist · Irvine, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Wu, O.D. is a Optometrist provider in Irvine, CA (NPI 1386797884).
Provider details
- NPI number
- 1386797884
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 13017 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 356 | 143 |
| Erythromycin Basebrand: Erythromycin | 209 | 115 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 177 | 73 |
| Levobunolol Hcl | 115 | 40 |
| Brimonidine Tartrate | 79 | 35 |
| Cyclosporine | 67 | 31 |
| Prednisolone Acetate | 37 | 13 |
| Cyclosporine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2021-12-06
Frequently asked questions
- What is Joseph Wu's NPI number?
- Joseph Wu's National Provider Identifier (NPI) is 1386797884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Wu's specialty?
- Joseph Wu is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Joseph Wu located?
- Joseph Wu's practice location on file with NPPES is 4605 Barranca Pkwy Ste 100, Irvine, CA 92604-1726.
- What is Joseph Wu's phone number?
- The practice phone number listed in the NPPES registry for Joseph Wu is (949) 551-2002.
- Does Joseph Wu accept Medicare?
- Joseph Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Wu's NPI active?
- Yes — Joseph Wu's NPI (1386797884) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.