Joan Chen
NPI 1437736154 · Emergency Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Chen is a Emergency Medicine Physician provider in Oakland, CA (NPI 1437736154).
Provider details
- NPI number
- 1437736154
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A202387 (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
5 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.
Practice location
Mailing address
Additional practice locations (1)
- 1 Gustave L Levy PlNew York, NY 10029-6504Phone: (212) 824-8069
Registry dates
- Enumerated
- 2021-03-27
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Joan Chen's NPI number?
- Joan Chen's National Provider Identifier (NPI) is 1437736154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Chen's specialty?
- Joan Chen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Chen located?
- Joan Chen's practice location on file with NPPES is 1411 E 31st St, Oakland, CA 94602-1018.
- What is Joan Chen's phone number?
- The practice phone number listed in the NPPES registry for Joan Chen is (510) 437-4800.
- Does Joan Chen accept Medicare?
- Joan Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Chen's NPI active?
- Yes — Joan Chen's NPI (1437736154) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.