Gastroenterology Services, Ltd
NPI 1205966678 · Gastroenterology Physician · Downers Grove, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gastroenterology Services, Ltd is a Gastroenterology Physician organization in Downers Grove, IL (NPI 1205966678).
Provider details
- NPI number
- 1205966678
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- David Gerard, Co-Owner(630) 969-1167
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
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
- 2007-03-06
- Last updated
- 2008-04-28
Frequently asked questions
- What is Gastroenterology Services, Ltd's NPI number?
- Gastroenterology Services, Ltd's National Provider Identifier (NPI) is 1205966678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gastroenterology Services, Ltd?
- Gastroenterology Services, Ltd is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gastroenterology Services, Ltd located?
- Gastroenterology Services, Ltd's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is Gastroenterology Services, Ltd's phone number?
- The practice phone number listed in the NPPES registry for Gastroenterology Services, Ltd is (630) 969-1167.
- Does Gastroenterology Services, Ltd accept Medicare?
- Gastroenterology Services, 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 Gastroenterology Services, Ltd?
- The authorized official listed on Gastroenterology Services, Ltd's NPPES record is David Gerard, Co-Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gastroenterology Services, Ltd's NPI active?
- Yes — Gastroenterology Services, Ltd's NPI (1205966678) is active in the NPPES registry as of the last update on 2008-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.