GREATER BALTIMORE MEDICAL CENTER, INC.
NPI 1205658036
Colon & Rectal Surgery in Bel Air, MD

Active since October 31, 2024
208 PLUMTREE RD STE G, BEL AIR, MD 21015(443) 569-5642 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 24, 2026, Jan 29, 2026, Dec 16, 2024 (3 updates tracked since 2024).

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 1205658036), doing business as The Endoscopy Center At Bel Air, is a healthcare organization registered as a colon & rectal surgery in Bel Air, Maryland and active in the NPI registry since October 2024. The organization lists Peter Carl Ostasewski, Cfo, as its authorized official.

NPPES Registry Identity

NPI1205658036
Entity TypeOrganization
Primary Taxonomy208C00000X
Legal Business NameGREATER BALTIMORE MEDICAL CENTER, INC.
Location Address208 PLUMTREE RD STE GBel Air, MD 21015-6056
Mailing Address6701 N Charles StBaltimore, MD 21204-6808 · (443) 849-2435
Organization SubpartNo
Authorized OfficialPeter Carl OstasewskiCfo · (717) 531-1159
Enumeration DateOctober 31, 2024
Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
✔ NPI 1205658036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
208 PLUMTREE RD STE G, Bel Air, MD 21015

Other Names 1

Doing Business AsThe Endoscopy Center At Bel Air

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)

Greater Baltimore Medical Center, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

443

Medicare enrollment records show 443 clinicians reassign Medicare billing to Greater Baltimore Medical Center, Inc., which bills Medicare for the services they deliver. Of these, 16 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 38

Nurse Practitioner92
Hospitalist50
Internal Medicine40
Family Practice29
Otolaryngology26
Obstetrics/Gynecology23
Critical Care (Intensivists)21
Cardiovascular Disease (Cardiology)16
30 other specialties146

Nearest to this location (20)

See all 443
Internal Medicine
NPI 1245598739
500 UPPER CHESAPEAKE DR ADULT HOSPITALIST DEPT
Bel Air, MD 21014
(443) 643-1500
✔ PECOS✔ Accepts Medicare1.4 mi
Otolaryngology
NPI 1477624682
520 UPPER CHESAPEAKE DR SUITE 206
Bel Air, MD 21014
(410) 879-9100
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1316405772
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1000
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1932670122
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1500
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1881281350
520 UPPER CHESAPEAKE DR STE 301
Bel Air, MD 21014
(410) 939-3121
✔ PECOS✔ Accepts Medicare1.5 mi
Hospitalist
NPI 1033529433
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1000
✔ PECOS✔ Accepts Medicare1.5 mi
Hospitalist
NPI 1831402932
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1500
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1942740287
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1000
✔ PECOS✔ Accepts Medicare1.5 mi
Nurse Practitioner
NPI 1154978393
500 UPPER CHESAPEAKE DR
Bel Air, MD 21014
(443) 643-1000
✔ PECOS✔ Accepts Medicare1.5 mi
Physical Therapist in Private Practice
NPI 1306476429
620 W MACPHAIL RD STE 105
Bel Air, MD 21014
(410) 273-9776
2.1 mi
Nurse Practitioner
NPI 1124721667
1505 E CHURCHVILLE RD
Bel Air, MD 21014
(410) 420-6970
✔ PECOS✔ Accepts Medicare3.2 mi
Nurse Practitioner
NPI 1003476748
128 LUCCA LN
Abingdon, MD 21009
(240) 354-4087
✔ PECOS✔ Accepts Medicare3.5 mi
Nurse Practitioner
NPI 1710615174
916 FELICIA CT
Bel Air, MD 21014
(410) 967-4543
✔ PECOS✔ Accepts Medicare3.6 mi
Nurse Practitioner
NPI 1700538527
7902 REDSTONE RD
Kingsville, MD 21087
(443) 690-6347
✔ PECOS✔ Accepts Medicare5.2 mi
Nurse Practitioner
NPI 1285460535
709 ENGLISH IVY WAY
Aberdeen, MD 21001
(443) 655-6567
✔ PECOS✔ Accepts Medicare5.6 mi
Nurse Practitioner
NPI 1154323319
19 WALNUT LN
Aberdeen, MD 21001
(410) 272-3233
✔ PECOS✔ Accepts Medicare8.9 mi
Family Practice
NPI 1528053048
3718 NORRISVILLE RD SUITE C
Jarrettsville, MD 21084
(410) 692-5292
✔ PECOS✔ Accepts Medicare11 mi
Cardiovascular Disease (Cardiology)
NPI 1063415388
4924 CAMPBELL BLVD STE 110
Baltimore, MD 21236
(443) 442-2000
✔ PECOS11 mi
Obstetrics/Gynecology
NPI 1083777379
8615 RIDGELYS CHOICE DR STE 105
Baltimore, MD 21236
(443) 813-0827
✔ PECOS✔ Accepts Medicare12 mi
Nurse Practitioner
NPI 1306582630
302 BARROWS CT
Havre De Grace, MD 21078
(443) 619-1124
✔ PECOS12 mi
See all 443 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 Greater Baltimore Medical Center, Inc.'s NPI number?

The NPI number for Greater Baltimore Medical Center, Inc. is 1205658036. It was assigned to this organization in the NPPES registry on October 31, 2024. The provider is doing business as The Endoscopy Center at Bel Air.

Where is Greater Baltimore Medical Center, Inc. located?

Greater Baltimore Medical Center, Inc. is located at 208 Plumtree Rd Ste G, Bel Air, MD 21015. The listed phone number is (443) 569-5642.

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

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Greater Baltimore Medical Center, Inc. enrolled in Medicare?

Yes. Greater Baltimore Medical Center, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greater Baltimore Medical Center, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 443 clinicians in 38 Medicare specialties reassign their Medicare billing to Greater Baltimore Medical Center, Inc.. 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 Nurse Practitioner (92), Hospitalist (50) and Internal Medicine (40). Of these, 16 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 3 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.