Alliance Gastroenterology Group LLC
NPI 1215759501 · Gastroenterology Physician · Libertyville, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alliance Gastroenterology Group LLC is a Gastroenterology Physician organization in Libertyville, IL (NPI 1215759501).
Provider details
- NPI number
- 1215759501
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dalia Thomas, Chief Operating Officer(847) 909-2088
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
1 yr 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
- 2024-10-28
- Last updated
- 2024-10-28
- Certified
- 2024-10-28
Frequently asked questions
- What is Alliance Gastroenterology Group LLC's NPI number?
- Alliance Gastroenterology Group LLC's National Provider Identifier (NPI) is 1215759501, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alliance Gastroenterology Group LLC?
- Alliance Gastroenterology Group LLC is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Alliance Gastroenterology Group LLC located?
- Alliance Gastroenterology Group LLC's practice location on file with NPPES is 1795 N Butterfield Rd Ste 201, Libertyville, IL 60048-1212.
- What is Alliance Gastroenterology Group LLC's phone number?
- The practice phone number listed in the NPPES registry for Alliance Gastroenterology Group LLC is (847) 500-9380.
- Does Alliance Gastroenterology Group LLC accept Medicare?
- Alliance Gastroenterology Group LLC 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 Alliance Gastroenterology Group LLC?
- The authorized official listed on Alliance Gastroenterology Group LLC's NPPES record is Dalia Thomas, Chief Operating Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alliance Gastroenterology Group LLC's NPI active?
- Yes — Alliance Gastroenterology Group LLC's NPI (1215759501) is active in the NPPES registry as of the last update on 2024-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.