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GASTRO CENTER OF MARYLAND LLC
NPI 1164609111
Internal Medicine - Gastroenterology in Columbia, MD

Active since January 22, 2008CLIA 21D2009557 · Accreditation
7120 MINSTREL WAY, SUITE 100, COLUMBIA, MD 21045(410) 290-6677 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 24, 2025, Jun 12, 2025 (2 updates tracked since 2025).

About Gastro Center Of Maryland Llc NPPES

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

GASTRO CENTER OF MARYLAND LLC (NPI 1164609111), doing business as Midatlantic Center For Digestive & Liver Dis, is a healthcare organization registered as a gastroenterology in Columbia, Maryland and active in the NPI registry since January 2008. The organization holds an CLIA Accreditation certificate valid through January 26, 2027 and lists Rudra Rai, Owner/ President, as its authorized official.

NPPES Registry Identity

NPI1164609111
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGASTRO CENTER OF MARYLAND LLC
Location Address7120 MINSTREL WAY, SUITE 100Columbia, MD 21045-5248
Mailing Address7120 Minstrel Way Ste 100Columbia, MD 21045-5274 · (410) 290-6677 · Fax (410) 290-6676
Phone(410) 290-6677
Organization SubpartNo
Authorized OfficialRudra RaiOwner/ President · (410) 290-6677
Enumeration DateJanuary 22, 2008
Last NPPES UpdateNovember 24, 20252 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
✔ NPI 1164609111 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MD · D0044427
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 ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X
7120 MINSTREL WAY, Columbia, MD 21045
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Other Names 1

Former Legal Business NameMidatlantic Center For Digestive & Liver Dis

Other Identifiers 1

Medicaid282701800MD

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

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

Clinicians Billing Medicare Through This Organization

39

Medicare enrollment records show 39 clinicians reassign Medicare billing to Gastro Center Of Maryland LLC, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Gastroenterology17
Nurse Practitioner10
Pathology9
Internal Medicine3

Nearest to this location (20)

See all 39
Sonam Bhandari, FNP
Nurse Practitioner
NPI 1093578031
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(516) 765-1665
✔ PECOS✔ Accepts MedicareSame address
Robert Byrne, M.D.
Gastroenterology
NPI 1508200882
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Eduardo Castillo Del Castillo, M.D.
Gastroenterology
NPI 1275743221
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(844) 814-5742
✔ PECOS✔ Accepts MedicareSame address
Hannah Clevenger, CRNP
Nurse Practitioner
NPI 1225786700
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Priscilla Lobo
Nurse Practitioner
NPI 1851173132
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOSSame address
Alexander Mamunes
Gastroenterology
NPI 1205368891
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(615) 322-0128
✔ PECOS✔ Accepts MedicareSame address
Monica Passi, M.D.
Gastroenterology
NPI 1568859031
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Pia Prakash, M.D.
Gastroenterology
NPI 1629395686
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Jennie Robinson, CRNP
Nurse Practitioner
NPI 1043057078
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOSSame address
Rushi Talati, MD, MBA
Internal Medicine
NPI 1578825832
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Jennie Zhang, D.O
Internal Medicine
NPI 1245687599
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Shaffer Mok, M.D.
Gastroenterology
NPI 1275878787
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Monica Patel, MD, MBA
Gastroenterology
NPI 1871112706
7120 MINSTREL WAY STE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOSSame address
Neha Rajpal, MD
Gastroenterology
NPI 1902425838
7120 MINSTREL WAY STE 200
Columbia, MD 21045
(410) 290-6677
✔ PECOSSame address
Rudrajit Rai, MD
Gastroenterology
NPI 1346213824
7120 MINSTREL WAY SUITE 100
Columbia, MD 21045
(410) 290-6677
✔ PECOS✔ Accepts MedicareSame address
Vincent Sutliff, MD
Gastroenterology
NPI 1205896727
8329 CHERRY LANE
Laurel, MD 20707
(301) 953-3535
✔ PECOS6.1 mi
Michael Ballo, M.D.
Pathology
NPI 1780648550
700 GEIPE RD STE 230
Catonsville, MD 21228
(410) 247-7500
✔ PECOS✔ Accepts Medicare8.5 mi
Nabil Ashraf, M.D.
Pathology
NPI 1568723153
11921 BOURNEFIELD WAY STE 100
Silver Spring, MD 20904
(240) 737-0080
✔ PECOS✔ Accepts Medicare11 mi
Sandra Simmons, DNP, CRNP, FNP-C
Nurse Practitioner
NPI 1174352462
3405 OLANDWOOD CT STE 102
Olney, MD 20832
(410) 290-6677
✔ PECOS12 mi
Thi Khuc, MD
Internal Medicine
NPI 1538692652
22 S GREENE ST # N3W156
Baltimore, MD 21201
(410) 328-5089
✔ PECOS✔ Accepts Medicare14 mi
See all 39 clinicians

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

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 Accreditation 21D2009557

Gastro Center Of Maryland, LLC · Columbia, MD
Active · expires Jan 26, 2027
CLIA Number21D2009557
Laboratory TypePhysician Office
Certificate Effective DateJanuary 27, 2025
Certificate Expiration DateJanuary 26, 2027
Laboratory DirectorDr. Michael Ballo
Laboratory Phone(410) 290-6677
Laboratory LocationGastro Center Of Maryland, LLC7120 Minstrel Way, Suite 204, Columbia, MD 21045
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

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 Gastro Center Of Maryland LLC's NPI number?

The NPI number for Gastro Center Of Maryland LLC is 1164609111. It was assigned to this organization in the NPPES registry on January 22, 2008. The provider was formerly known as MidAtlantic Center for Digestive & Liver Dis.

Where is Gastro Center Of Maryland LLC located?

Gastro Center Of Maryland LLC is located at 7120 Minstrel Way Suite 100, Columbia, MD 21045. The listed phone number is (410) 290-6677.

What is Gastro Center Of Maryland LLC's specialty?

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

Is Gastro Center Of Maryland LLC enrolled in Medicare?

Yes. Gastro Center Of Maryland LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastro Center Of Maryland LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 39 clinicians in 4 Medicare specialties reassign their Medicare billing to Gastro Center Of Maryland 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. The largest specialties are Gastroenterology (17), Nurse Practitioner (10) and Pathology (9). Of these, 15 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Gastro Center Of Maryland LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 21D2009557) is associated with this NPI, valid through January 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gastro Center Of Maryland LLC was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.