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ADULT GASTROENTEROLOGY ASSOCIATES INC
NPI 1306884812
Internal Medicine - Gastroenterology in Tulsa, OK

Active since June 04, 2006
4200 E SKELLY DR STE 700, TULSA, OK 74135(918) 438-7050(918) 221-0835 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 19, 2025, Mar 29, 2016 (2 updates tracked since 2016).

About Adult Gastroenterology Associates Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADULT GASTROENTEROLOGY ASSOCIATES INC (NPI 1306884812) is a healthcare organization registered as a gastroenterology in Tulsa, Oklahoma and active in the NPI registry since June 2006. The organization lists Douglas B Kliewer, Physician, as its authorized official.

NPPES Registry Identity

NPI1306884812
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameADULT GASTROENTEROLOGY ASSOCIATES INC
Location Address4200 E SKELLY DR STE 700Tulsa, OK 74135-3256
Mailing AddressPo Box 305Lowell, AR 72745-0305 · (918) 438-7050 · Fax (918) 221-0835
Phone(918) 438-7050
Fax(918) 221-0835
Organization SubpartNo
Authorized OfficialDouglas B KliewerPhysician · (918) 481-4700
Enumeration DateJune 4, 2006
Last NPPES UpdateMarch 19, 20252 updates tracked since enumeration
NPPES CertifiedMarch 19, 2025
✔ NPI 1306884812 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
4200 E SKELLY DR STE 700, Tulsa, OK 74135
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Other Identifiers 1

Medicaid100740890AOK

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARKHAM L NIGHTENGALE M. D.
Internal Medicine (Gastroenterology)
4200 E SKELLY DR STE 700
TULSA, OK 74135
Tulsa County (918) 438-7050
DR. AATISH MUKESH PATEL M.D.
Internal Medicine (Gastroenterology)
4200 E SKELLY DR STE 700
TULSA, OK 74135
Tulsa County (918) 481-4700
DUSHYANT SINGH MD LLC
Internal Medicine (Gastroenterology)
4200 E SKELLY DR STE 700
TULSA, OK 74135
Tulsa County (918) 438-7050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adult Gastroenterology Associates Inc's NPI number?

The NPI number for Adult Gastroenterology Associates Inc is 1306884812. It was assigned to this organization in the NPPES registry on June 4, 2006.

Where is Adult Gastroenterology Associates Inc located?

Adult Gastroenterology Associates Inc is located at 4200 E Skelly Dr Ste 700, Tulsa, OK 74135. The listed phone number is (918) 438-7050.

What is Adult Gastroenterology Associates Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

What insurance does Adult Gastroenterology Associates Inc accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma list Adult Gastroenterology Associates Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Adult Gastroenterology Associates Inc was last updated on March 19, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.