Stephen T Ang MD Sc
NPI 1427331891 · Gastroenterology Physician · Centralia, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen T Ang MD Sc is a Gastroenterology Physician organization in Centralia, IL (NPI 1427331891).
Provider details
- NPI number
- 1427331891
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Stephen Ang, Physician(618) 532-1688
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
- 2011-09-22
- Last updated
- 2011-10-27
Frequently asked questions
- What is Stephen T Ang MD Sc's NPI number?
- Stephen T Ang MD Sc's National Provider Identifier (NPI) is 1427331891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen T Ang MD Sc?
- Stephen T Ang MD Sc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen T Ang MD Sc located?
- Stephen T Ang MD Sc's practice location on file with NPPES is 1054 Martin Luther King Dr, Centralia, IL 62801-3000.
- What is Stephen T Ang MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Stephen T Ang MD Sc is (618) 532-1688.
- Does Stephen T Ang MD Sc accept Medicare?
- Stephen T Ang MD Sc 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 Stephen T Ang MD Sc?
- The authorized official listed on Stephen T Ang MD Sc's NPPES record is Stephen Ang, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen T Ang MD Sc's NPI active?
- Yes — Stephen T Ang MD Sc's NPI (1427331891) is active in the NPPES registry as of the last update on 2011-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.