GASTROINTESTINAL ASSOCIATES OF MARYLAND PA
NPI 1770565731
Internal Medicine - Gastroenterology in Oxon Hill, MD

Q: What is Gastrointestinal Associates Of Maryland PA's specialty?

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

Active since November 16, 2005

6710 OXON HILL RD STE 305, OXON HILL, MD 20745(301) 292-2300(301) 292-8025 Get Directions Write a Review

NPPES record last updated: February 5, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

On this page

About Gastrointestinal Associates Of Maryland Pa NPPES

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

GASTROINTESTINAL ASSOCIATES OF MARYLAND PA (NPI 1770565731) is a healthcare organization registered as a gastroenterology in Oxon Hill, Maryland and active in the NPI registry since November 2005. The organization lists Legina Michelle Gray, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1770565731

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGASTROINTESTINAL ASSOCIATES OF MARYLAND PA

Location Address6710 OXON HILL RD STE 305Oxon Hill, MD 20745-1117

Mailing Address12070 Old Line Ctr, Ste 200Waldorf, MD 20602-2503 · (301) 645-8035 · Fax (301) 645-5229

Phone(301) 292-2300

Fax(301) 292-8025

Organization SubpartNo

Authorized OfficialLegina Michelle GrayPractice Administrator · (301) 645-8035

Enumeration DateNovember 16, 2005

Last NPPES UpdateFebruary 5, 2018

✔ NPI 1770565731 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.

6710 OXON HILL RD STE 305, Oxon Hill, MD 20745

Open in Google Maps ↗

Other Identifiers 2

Medicaid155700900MD

Medicaid035197200DC

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

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 Of Maryland Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gastrointestinal Associates Of Maryland PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Lornette Mills, MD

Gastroenterology

NPI 1689673741

12070 OLD LINE CTR STE 200
Waldorf, MD 20602

(301) 645-8035

✔ PECOS✔ Accepts Medicare14 mi

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 Of Maryland PA's NPI number?

The NPI number for Gastrointestinal Associates Of Maryland PA is 1770565731. It was assigned to this organization in the NPPES registry on November 16, 2005.

Where is Gastrointestinal Associates Of Maryland PA located?

Gastrointestinal Associates Of Maryland PA is located at 6710 Oxon Hill Rd Ste 305, Oxon Hill, MD 20745. The listed phone number is (301) 292-2300.

What is Gastrointestinal Associates Of Maryland PA's specialty?

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

Is Gastrointestinal Associates Of Maryland PA enrolled in Medicare?

Yes. Gastrointestinal Associates Of Maryland PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastrointestinal Associates Of Maryland PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Gastrointestinal Associates Of Maryland PA. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gastrointestinal Associates Of Maryland PA was last updated on February 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.