Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GREATER BALTIMORE MEDICAL CENTER, INC.
NPI 1275355240
Internal Medicine - Gastroenterology in Lutherville, MD

Q: What is Greater Baltimore Medical Center, Inc.'s specialty?

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

Active since October 30, 2024CLIA 21D2141864 · Waiver

10803 FALLS RD PAVILION III, STE 3100, LUTHERVILLE, MD 21093(410) 616-7650 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 24, 2026, Dec 20, 2024 (2 updates tracked since 2024).

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About Greater Baltimore Medical Center, Inc. NPPES

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

GREATER BALTIMORE MEDICAL CENTER, INC. (NPI 1275355240), doing business as Gbmc Gastroenterology At Jhh Greenspring Surgcenter, is a healthcare organization registered as a gastroenterology in Lutherville, Maryland and active in the NPI registry since October 2024. The organization holds a CLIA Waiver certificate valid through December 25, 2027 and lists Peter Carl Ostasewski, Cfo, as its authorized official.

NPPES Registry Identity

NPI1275355240

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGREATER BALTIMORE MEDICAL CENTER, INC.

Location Address10803 FALLS RD PAVILION III, STE 3100Lutherville, MD 21093-4582

Mailing Address6701 N Charles StBaltimore, MD 21204-6808

Phone(410) 616-7650

Organization SubpartNo

Authorized OfficialPeter Carl OstasewskiCfo · (717) 531-1159

Enumeration DateOctober 30, 2024

Last NPPES UpdateJuly 24, 20262 updates tracked since enumeration

NPPES CertifiedJuly 24, 2026

✔ NPI 1275355240 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.

10803 FALLS RD PAVILION III, Lutherville, MD 21093

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Other Names 1

Doing Business AsGbmc Gastroenterology At Jhh Greenspring Surgcenter

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

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 21D2141864

Gbmc Gastroenterology · Baltimore, MD

Active · expires Dec 25, 2027

CLIA Number21D2141864

Laboratory TypePhysician Office

Certificate Effective DateDecember 26, 2025

Certificate Expiration DateDecember 25, 2027

Laboratory DirectorNiraj Jani MD

Laboratory Phone(443) 849-3400

Laboratory LocationGbmc Gastroenterology6565 N Charles Street Suite 512, Baltimore, MD 21204

CLIA data matches this NPI record on: Name

This certificate is issued to a laboratory to perform only waived tests.

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 Greater Baltimore Medical Center, Inc.'s NPI number?

The NPI number for Greater Baltimore Medical Center, Inc. is 1275355240. It was assigned to this organization in the NPPES registry on October 30, 2024. The provider is doing business as GBMC Gastroenterology at JHH Greenspring SurgCenter.

Where is Greater Baltimore Medical Center, Inc. located?

Greater Baltimore Medical Center, Inc. is located at 10803 Falls Rd Pavilion III Ste 3100, Lutherville, MD 21093. The listed phone number is (410) 616-7650.

What is Greater Baltimore Medical Center, Inc.'s specialty?

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

Does Greater Baltimore Medical Center, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D2141864) is associated with this NPI, valid through December 25, 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 Greater Baltimore Medical Center, Inc. was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.