Adult Gastroenterology Associates Inc
NPI 1306884812 · Gastroenterology Physician · Tulsa, OK
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Adult Gastroenterology Associates Inc is a Gastroenterology Physician organization in Tulsa, OK (NPI 1306884812).
Provider details
- NPI number
- 1306884812
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Douglas Kliewer, Physician(918) 481-4700
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
20 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
- 2006-06-04
- Last updated
- 2025-03-19
- Certified
- 2025-03-19
Frequently asked questions
- What is Adult Gastroenterology Associates Inc's NPI number?
- Adult Gastroenterology Associates Inc's National Provider Identifier (NPI) is 1306884812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Adult Gastroenterology Associates Inc?
- Adult Gastroenterology Associates Inc is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Adult Gastroenterology Associates Inc located?
- Adult Gastroenterology Associates Inc's practice location on file with NPPES is 4200 E Skelly Dr Ste 700, Tulsa, OK 74135-3256.
- What is Adult Gastroenterology Associates Inc's phone number?
- The practice phone number listed in the NPPES registry for Adult Gastroenterology Associates Inc is (918) 438-7050.
- Does Adult Gastroenterology Associates Inc accept Medicare?
- Adult Gastroenterology Associates Inc 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 Adult Gastroenterology Associates Inc?
- The authorized official listed on Adult Gastroenterology Associates Inc's NPPES record is Douglas Kliewer, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Adult Gastroenterology Associates Inc's NPI active?
- Yes — Adult Gastroenterology Associates Inc's NPI (1306884812) is active in the NPPES registry as of the last update on 2025-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.