Yonsei Medical Group, Inc.
NPI 1598351314 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yonsei Medical Group, Inc. is a Internal Medicine Physician organization in Los Angeles, CA (NPI 1598351314).
Provider details
- NPI number
- 1598351314
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Justin Rheem, President(213) 381-3630
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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)
- 15435 S Western Ave Ste 204Gardena, CA 90249-4324Phone: (213) 381-3630
Registry dates
- Enumerated
- 2020-12-16
- Last updated
- 2020-12-16
- Certified
- 2020-12-16
Frequently asked questions
- What is Yonsei Medical Group, Inc.'s NPI number?
- Yonsei Medical Group, Inc.'s National Provider Identifier (NPI) is 1598351314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Yonsei Medical Group, Inc.?
- Yonsei Medical Group, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Yonsei Medical Group, Inc. located?
- Yonsei Medical Group, Inc.'s practice location on file with NPPES is 505 S Virgil Ave Ste 106, Los Angeles, CA 90020-1407.
- What is Yonsei Medical Group, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Yonsei Medical Group, Inc. is (213) 381-3630.
- Does Yonsei Medical Group, Inc. accept Medicare?
- Yonsei Medical Group, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Yonsei Medical Group, Inc.?
- The authorized official listed on Yonsei Medical Group, Inc.'s NPPES record is Justin Rheem, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Yonsei Medical Group, Inc.'s NPI active?
- Yes — Yonsei Medical Group, Inc.'s NPI (1598351314) is active in the NPPES registry as of the last update on 2020-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.