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GASTROINTESTINAL ASSOCIATES, P.A.
NPI 1093765604
Internal Medicine - Gastroenterology in Flowood, MS

Active since May 12, 2006
2510 LAKELAND DR, FLOWOOD, MS 39232(601) 355-1234(601) 326-3566 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 4, 2026, Jun 11, 2025, Jun 18, 2016 (3 updates tracked since 2016).

About Gastrointestinal Associates, P.a. NPPES

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

GASTROINTESTINAL ASSOCIATES, P.A. (NPI 1093765604) is a healthcare organization registered as a gastroenterology in Flowood, Mississippi and active in the NPI registry since May 2006. The organization maintains 4 additional practice locations and lists Pierce D. Dotherow, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1093765604
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTROINTESTINAL ASSOCIATES, P.A.
Location Address2510 LAKELAND DRFlowood, MS 39232-9513
Mailing Address2510 Lakeland DrFlowood, MS 39232-9513 · (601) 355-1234 · Fax (601) 326-3566
Phone(601) 355-1234
Fax(601) 326-3566
Organization SubpartNo
Authorized OfficialPierce D. DotherowAuthorized Official · (601) 355-1234
Enumeration DateMay 12, 2006
Last NPPES UpdateJune 4, 20263 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1093765604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X
2510 LAKELAND DR, Flowood, MS 39232
Open in Google Maps ↗

Secondary Practice Locations 4

Location 11815 Mission 66Vicksburg, MS 39180-3709 · Phone (601) 355-1234
Location 2300 3rd Ave SEMagee, MS 39111-3665 · Phone (601) 355-1234
Location 3100 Methodist Hospital BlvdHattiesburg, MS 39402-1295 · Phone (601) 268-5185
Location 4106 Highland WayMadison, MS 39110-6929 · Phone (601) 355-1234

Other Identifiers 1

Medicaid09011758MS

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 MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastrointestinal Associates, P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

109

Medicare enrollment records show 109 clinicians reassign Medicare billing to Gastrointestinal Associates, P.A., which bills Medicare for the services they deliver. Of these, 50 practice at this address and 68 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 8

Gastroenterology37
Nurse Practitioner33
Certified Registered Nurse Anesthetist (CRNA)32
Pathology3
Emergency Medicine1
Internal Medicine1
Pediatric Medicine1
Registered Dietitian or Nutrition Professional1

Nearest to this location (20)

See all 109
Anna Griffin, FNP-C
Nurse Practitioner
NPI 1447017736
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Abbie Kalem, FNP
Nurse Practitioner
NPI 1992304885
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Kathryn Parvin, NP-C
Nurse Practitioner
NPI 1376157099
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Ernest Weeks, M.D.
Gastroenterology
NPI 1134330822
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Tina Gregg, NP-C
Nurse Practitioner
NPI 1649463050
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Charles Hall, M.D.
Gastroenterology
NPI 1568534832
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Kymberly Holy, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1609819028
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Melody Lewis, NP-C
Nurse Practitioner
NPI 1427282854
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Jane Claire Williams, M.D.
Gastroenterology
NPI 1578760534
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Lee Woods, C.R.N.A.
Certified Registered Nurse Anesthetist (CRNA)
NPI 1639142870
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Cynthia Wright, MD
Gastroenterology
NPI 1417945668
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Mary Young Lowry, M.D.
Pediatric Medicine
NPI 1285952465
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Reed Hogan, M.D.
Gastroenterology
NPI 1356504682
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Richard Benson, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1962662825
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Stewart Boyd, M.D.
Gastroenterology
NPI 1194954578
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Keith Brown, M.D.
Pathology
NPI 1376710756
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Kristi Clayton, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1255423844
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Amanda Covault, CRNA
Certified Registered Nurse Anesthetist (CRNA)
NPI 1154385490
2510 LAKELAND DRIVE
Brandon, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Samuel Hensley, MD
Pathology
NPI 1801884234
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
Jason Jones, M.D.
Pathology
NPI 1407115397
2510 LAKELAND DR
Flowood, MS 39232
(601) 355-1234
✔ PECOS✔ Accepts MedicareSame address
See all 109 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gastrointestinal Associates, P.A.'s NPI number?

The NPI number for Gastrointestinal Associates, P.A. is 1093765604. It was assigned to this organization in the NPPES registry on May 12, 2006.

Where is Gastrointestinal Associates, P.A. located?

Gastrointestinal Associates, P.A. is located at 2510 Lakeland Dr, Flowood, MS 39232. The listed phone number is (601) 355-1234.

What is Gastrointestinal Associates, P.A.'s specialty?

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

Is Gastrointestinal Associates, P.A. enrolled in Medicare?

Yes. Gastrointestinal Associates, P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastrointestinal Associates, P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 109 clinicians in 8 Medicare specialties reassign their Medicare billing to Gastrointestinal Associates, P.A.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (37), Nurse Practitioner (33) and Certified Registered Nurse Anesthetist (CRNA) (32). Of these, 50 practice at this address and 68 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Gastrointestinal Associates, P.A. accept?

Health plans from Cigna Healthcare and Molina Healthcare list Gastrointestinal Associates, P.A. 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 Gastrointestinal Associates, P.A. was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.