Catherine Yim, MD
NPI 1821190927 · Diagnostic Radiology Physician · Sylmar, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Catherine Yim, MD is a Diagnostic Radiology Physician provider in Sylmar, CA (NPI 1821190927).
Provider details
- NPI number
- 1821190927
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A74155 (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
- 2006-09-01
- Last updated
- 2008-11-05
Frequently asked questions
- What is Catherine Yim's NPI number?
- Catherine Yim's National Provider Identifier (NPI) is 1821190927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Yim's specialty?
- Catherine Yim is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Yim located?
- Catherine Yim's practice location on file with NPPES is 14445 Olive View Drive, Sylmar, CA 91342.
- What is Catherine Yim's phone number?
- The practice phone number listed in the NPPES registry for Catherine Yim is (818) 364-4078.
- Does Catherine Yim accept Medicare?
- Catherine Yim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Catherine Yim's NPI active?
- Yes — Catherine Yim's NPI (1821190927) is active in the NPPES registry as of the last update on 2008-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.