S L Yang MD Ltd
NPI 1427135805 · Obstetrics & Gynecology Physician · Oak Lawn, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
S L Yang MD Ltd is a Obstetrics & Gynecology Physician organization in Oak Lawn, IL (NPI 1427135805).
Provider details
- NPI number
- 1427135805
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sen Lian Yang, President(708) 389-6541
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Reproductive Endocrinology Physician207VE0102X
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
- 2006-11-01
- Last updated
- 2007-10-06
Frequently asked questions
- What is S L Yang MD Ltd's NPI number?
- S L Yang MD Ltd's National Provider Identifier (NPI) is 1427135805, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is S L Yang MD Ltd?
- S L Yang MD Ltd is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is S L Yang MD Ltd located?
- S L Yang MD Ltd's practice location on file with NPPES is 9706 Southwest Highway, Oak Lawn, IL 60453-1779.
- What is S L Yang MD Ltd's phone number?
- The practice phone number listed in the NPPES registry for S L Yang MD Ltd is (708) 422-2120.
- Does S L Yang MD Ltd accept Medicare?
- S L Yang MD Ltd 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 S L Yang MD Ltd?
- The authorized official listed on S L Yang MD Ltd's NPPES record is Sen Lian Yang, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is S L Yang MD Ltd's NPI active?
- Yes — S L Yang MD Ltd's NPI (1427135805) is active in the NPPES registry as of the last update on 2007-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.