Joan Chen
NPI 1053320507 · Anesthesiology Physician · Fremont, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Chen is a Anesthesiology Physician provider in Fremont, CA (NPI 1053320507).
Provider details
- NPI number
- 1053320507
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
- License
- A71493 (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
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2008-05-29
Frequently asked questions
- What is Joan Chen's NPI number?
- Joan Chen's National Provider Identifier (NPI) is 1053320507, 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 Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Chen located?
- Joan Chen's practice location on file with NPPES is 2000 Mowry Ave, Fremont, CA 94538-1716.
- What is Joan Chen's phone number?
- The practice phone number listed in the NPPES registry for Joan Chen is (510) 797-1111.
- 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 (1053320507) is active in the NPPES registry as of the last update on 2008-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.