Joseph Ou
NPI 1477084382 · Family Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Ou is a Family Medicine Physician provider in Oakland, CA (NPI 1477084382).
Provider details
- NPI number
- 1477084382
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 20A18203 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 277 | 120 |
| Amlodipine Besylate | 217 | 89 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 142 | 60 |
| Losartan Potassium | 140 | 58 |
| Lisinopril | 131 | 56 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 104 | 27 |
Practice location
Mailing address
Additional practice locations (1)
- 1775 W LexingtonSuite 100Cincinnati, OH 45212-3589Phone: (513) 977-6758
Registry dates
- Enumerated
- 2017-03-22
- Last updated
- 2021-12-17
- Certified
- 2020-12-11
Frequently asked questions
- What is Joseph Ou's NPI number?
- Joseph Ou's National Provider Identifier (NPI) is 1477084382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Ou's specialty?
- Joseph Ou is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Ou located?
- Joseph Ou's practice location on file with NPPES is 1800 Harrison St Fl 7, Oakland, CA 94612-3466.
- What is Joseph Ou's phone number?
- The practice phone number listed in the NPPES registry for Joseph Ou is (510) 625-5356.
- Does Joseph Ou accept Medicare?
- Joseph Ou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Ou's NPI active?
- Yes — Joseph Ou's NPI (1477084382) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.