1. Home
  2. Directory
  3. Michigan
  4. Farmington
  5. Internal Medicine
  6. NPI Profile

SOUTH OAKLAND GASTROENTEROLOGY ASSOCIATES PC
NPI 1316919616
Internal Medicine - Gastroenterology in Farmington, MI

Active since February 02, 2006CLIA 23D0865820 · Waiver
23133 ORCHARD LAKE RD STE 200, FARMINGTON, MI 48336(248) 579-9220(248) 426-7350 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2025, Jan 13, 2016 (2 updates tracked since 2016).

About South Oakland Gastroenterology Associates Pc NPPES

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

SOUTH OAKLAND GASTROENTEROLOGY ASSOCIATES PC (NPI 1316919616) is a healthcare organization registered as a gastroenterology in Farmington, Michigan and active in the NPI registry since February 2006. The organization holds a CLIA Waiver certificate valid through October 13, 2026 and lists Jolian Sam Kathawa, Managing Member, as its authorized official.

NPPES Registry Identity

NPI1316919616
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameSOUTH OAKLAND GASTROENTEROLOGY ASSOCIATES PC
Location Address23133 ORCHARD LAKE RD STE 200Farmington, MI 48336-3279
Mailing AddressPo Box 72737Cleveland, OH 44192-0002 · (248) 579-9220 · Fax (248) 426-7350
Phone(248) 579-9220
Fax(248) 426-7350
Organization SubpartNo
Authorized OfficialJolian Sam KathawaManaging Member · (248) 579-9220
Enumeration DateFebruary 2, 2006
Last NPPES UpdateOctober 28, 20252 updates tracked since enumeration
NPPES CertifiedOctober 28, 2025
✔ NPI 1316919616 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MI · 5101006198
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.
23133 ORCHARD LAKE RD STE 200, Farmington, MI 48336
Open in Google Maps ↗

Other Identifiers 1

Medicaid1316919616MI

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 Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 23D0865820

South Oakland Gastroenterology Associates · Farmington, MI
Active · expires Oct 13, 2026
CLIA Number23D0865820
Laboratory TypePhysician Office
Certificate Effective DateOctober 14, 2024
Certificate Expiration DateOctober 13, 2026
Laboratory DirectorMariquit D. Sendelbach
Laboratory Phone(248) 579-9220
Laboratory LocationSouth Oakland Gastroenterology Associates23133 Orchard Lake Road Suite 200, Farmington, MI 48336
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 9

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

DR. JARED GRODMAN DO
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 579-9220
JOLIAN SAM KATHAWA D.O.
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON, MI 48336
Oakland County (248) 579-9220
BRUCE F ARNOLD M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON, MI 48336
Oakland County (248) 579-9220
OLGA BRUSHABER DO
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 471-8950
STEVEN R KLEIN D.O.
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 579-9220
WILLIAM R RAMINICK D.O.
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 579-9220
MARIQUIT DUMAGUIN SENDELBACH D.O.
Internal Medicine (Gastroenterology)
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 471-8982
DR. KATIE HILL MACFARLANE D.O.
Internal Medicine
23133 ORCHARD LAKE RD STE 200
FARMINGTON HILLS, MI 48336
Oakland County (248) 579-9220

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 South Oakland Gastroenterology Associates PC's NPI number?

The NPI number for South Oakland Gastroenterology Associates PC is 1316919616. It was assigned to this organization in the NPPES registry on February 2, 2006.

Where is South Oakland Gastroenterology Associates PC located?

South Oakland Gastroenterology Associates PC is located at 23133 Orchard Lake Rd Ste 200, Farmington, MI 48336. The listed phone number is (248) 579-9220.

What is South Oakland Gastroenterology Associates PC's specialty?

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

Does South Oakland Gastroenterology Associates PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0865820) is associated with this NPI, valid through October 13, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does South Oakland Gastroenterology Associates PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list South Oakland Gastroenterology Associates PC 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 South Oakland Gastroenterology Associates PC was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.