Lynna Yang
NPI 1457964660 · Internal Medicine Physician · Chicago, IL
Lynna Yang is a Internal Medicine Physician provider in Chicago, IL (NPI 1457964660).
Provider details
- NPI number
- 1457964660
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
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
5 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
- 2020-08-26
- Last updated
- 2025-06-27
- Certified
- 2025-06-17
Frequently asked questions
- What is Lynna Yang's NPI number?
- Lynna Yang's National Provider Identifier (NPI) is 1457964660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynna Yang's specialty?
- Lynna Yang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lynna Yang located?
- Lynna Yang's practice location on file with NPPES is 836 W Wellington Ave, Chicago, IL 60657-5147.
- What is Lynna Yang's phone number?
- The practice phone number listed in the NPPES registry for Lynna Yang is (312) 766-4949.
- Is Lynna Yang's NPI active?
- Yes — Lynna Yang's NPI (1457964660) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.