Katherine Wei, MD
NPI 1639707557 · Diagnostic Radiology Physician · Downey, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Wei, MD is a Diagnostic Radiology Physician provider in Downey, CA (NPI 1639707557).
Provider details
- NPI number
- 1639707557
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A177555 (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
6 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
- 2020-03-27
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Katherine Wei's NPI number?
- Katherine Wei's National Provider Identifier (NPI) is 1639707557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Wei's specialty?
- Katherine Wei is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine Wei located?
- Katherine Wei's practice location on file with NPPES is 11411 Brookshire Ave Ste 101, Downey, CA 90241-5008.
- What is Katherine Wei's phone number?
- The practice phone number listed in the NPPES registry for Katherine Wei is (562) 869-9192.
- Does Katherine Wei accept Medicare?
- Katherine Wei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Wei's NPI active?
- Yes — Katherine Wei's NPI (1639707557) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.