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ADVANCED GASTROENTEROLOGY ASSOCIATES LLC
NPI 1770810038
Internal Medicine - Gastroenterology in North Bethesda, MD

Active since November 06, 2009
10846 ANTIGUA TER, #203, NORTH BETHESDA, MD 20852(301) 770-5711 Get Directions Write a Review

NPPES record last updated: November 6, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Advanced Gastroenterology Associates Llc NPPES

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

ADVANCED GASTROENTEROLOGY ASSOCIATES LLC (NPI 1770810038) is a healthcare organization registered as a gastroenterology in North Bethesda, Maryland and active in the NPI registry since November 2009. The organization lists Homayoon Mahjoob, Sole Mbr, as its authorized official.

NPPES Registry Identity

NPI1770810038
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameADVANCED GI ASSOCIATES LLC
Location Address10846 ANTIGUA TER, #203North Bethesda, MD 20852-5532
Mailing Address10846 Antigua Ter, #203North Bethesda, MD 20852-5532 · (301) 770-5711
Phone(301) 770-5711
Organization SubpartNo
Authorized OfficialHomayoon MahjoobSole Mbr · (301) 770-5711
Enumeration DateNovember 6, 2009
✔ NPI 1770810038 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 MD · D0058186
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.
10846 ANTIGUA TER, North Bethesda, MD 20852
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Other Names 1

Other NameAdvanced Gastroenterology Associates Llc

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)

Advanced Gastroenterology Associates Llc 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 Advanced Gastroenterology Associates LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Homayoon Mahjoob, M.D.
Gastroenterology
NPI 1740494178
12150 ANNAPOLIS RD STE 312
Glenn Dale, MD 20769
(301) 352-7771
✔ PECOS✔ Accepts Medicare18 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 Advanced Gi Associates LLC's NPI number?

The NPI number for Advanced Gi Associates LLC is 1770810038. It was assigned to this organization in the NPPES registry on November 6, 2009. The provider is also known as Advanced Gastroenterology Associates LLC.

Where is Advanced Gi Associates LLC located?

Advanced Gi Associates LLC is located at 10846 Antigua Ter #203, North Bethesda, MD 20852. The listed phone number is (301) 770-5711.

What is Advanced Gi Associates LLC's specialty?

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

Is Advanced Gi Associates LLC enrolled in Medicare?

Yes. Advanced Gi Associates LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Advanced Gi Associates LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Advanced Gi Associates LLC. 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 Advanced Gi Associates LLC was last updated on November 6, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.