Carrol Hyun
NPI 1548409857 · Clinical Social Worker · Pasadena, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carrol Hyun is a Clinical Social Worker provider in Pasadena, CA (NPI 1548409857).
Provider details
- NPI number
- 1548409857
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2009-02-10
- Last updated
- 2021-11-30
- Certified
- 2021-11-30
Frequently asked questions
- What is Carrol Hyun's NPI number?
- Carrol Hyun's National Provider Identifier (NPI) is 1548409857, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carrol Hyun's specialty?
- Carrol Hyun is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Carrol Hyun located?
- Carrol Hyun's practice location on file with NPPES is 479 Cypress Ave, Pasadena, CA 91103-3309.
- What is Carrol Hyun's phone number?
- The practice phone number listed in the NPPES registry for Carrol Hyun is (818) 434-4138.
- Does Carrol Hyun accept Medicare?
- Carrol Hyun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carrol Hyun's NPI active?
- Yes — Carrol Hyun's NPI (1548409857) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.