Jiyun Lee, MD
NPI 1972207991 · Internal Medicine Physician · Sylmar, CA
Jiyun Lee, MD is a Internal Medicine Physician provider in Sylmar, CA (NPI 1972207991).
Provider details
- NPI number
- 1972207991
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A198032 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-03-27
- Last updated
- 2026-04-23
- Certified
- 2026-04-23
Frequently asked questions
- What is Jiyun Lee's NPI number?
- Jiyun Lee's National Provider Identifier (NPI) is 1972207991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jiyun Lee's specialty?
- Jiyun Lee is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jiyun Lee located?
- Jiyun Lee's practice location on file with NPPES is 14445 Olive View Dr, Sylmar, CA 91342-1437.
- What is Jiyun Lee's phone number?
- The practice phone number listed in the NPPES registry for Jiyun Lee is (747) 210-3000.
- Is Jiyun Lee's NPI active?
- Yes — Jiyun Lee's NPI (1972207991) is active in the NPPES registry as of the last update on 2026-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.