GREATER BALTIMORE MEDICAL CENTER, INC.
NPI 1609725977
Radiology - Radiation Oncology in Baltimore, MD

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

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Active since January 28, 2026

6701 N CHARLES ST STE 1400, BALTIMORE, MD 21204(443) 849-2540(443) 849-2595 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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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 1609725977) is a healthcare organization registered as a radiation oncology in Baltimore, Maryland and active in the NPI registry since January 2026. The organization lists Joshua Campbell, Vp Finance And Reimbursement, as its authorized official.

NPPES Registry Identity

NPI1609725977

Entity TypeOrganization

Primary Taxonomy2085R0001X

Legal Business NameGREATER BALTIMORE MEDICAL CENTER, INC.

Location Address6701 N CHARLES ST STE 1400Baltimore, MD 21204-6808

Mailing Address6701 N. Charles Street, S. Chapman Building, Suite 102Baltimore, MD 21204-6808

Phone(443) 849-2540

Fax(443) 849-2595

Organization SubpartNo

Authorized OfficialJoshua CampbellVp Finance And Reimbursement · (443) 849-3844

Enumeration DateJanuary 28, 2026

NPPES CertifiedJanuary 28, 2026

✔ NPI 1609725977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

6701 N CHARLES ST STE 1400, Baltimore, MD 21204

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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, 3 practice at this address and 323 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

Ayesha Khan, M.D.

Internal Medicine

NPI 1184251779

6701 N CHARLES ST STE 502
Towson, MD 21204

(443) 849-4086

✔ PECOS✔ Accepts MedicareSame address

Jigar Shah, M.D.

Hospitalist

NPI 1578792420

6701 N CHARLES ST STE 5202
Baltimore, MD 21204

(443) 849-8046

✔ PECOS✔ Accepts MedicareSame address

Theodore Bailey, MD

Infectious Disease

NPI 1275785842

6701 N CHARLES ST STE 5100
Baltimore, MD 21204

(443) 849-2327

✔ PECOS✔ Accepts MedicareSame address

Tristan Flack, D.O.

Internal Medicine

NPI 1750720074

6701 N CHARLES ST
Baltimore, MD 21204

(443) 849-2682

✔ PECOS✔ Accepts Medicare0.3 mi

Philip Shaheen, M.D.

Hospice/Palliative Care

NPI 1003850108

6701 N CHARLES ST SUITE 4105
Baltimore, MD 21204

(443) 849-6255

✔ PECOS0.3 mi

Oluyemi Abiodun, MD

Hospitalist

NPI 1942628060

6701 N CHARLES ST
Baltimore, MD 21204

(443) 849-2000

✔ PECOS✔ Accepts Medicare0.3 mi

Cathleen Barenski, ACNP

Nurse Practitioner

NPI 1477740397

6701 N CHARLES ST STE 5104
Baltimore, MD 21204

(443) 849-6123

✔ PECOS✔ Accepts Medicare0.3 mi

Jason Black, M.D.

Geriatric Medicine

NPI 1245259902

6701 N CHARLES ST STE 4105
Baltimore, MD 21204

(443) 849-3184

✔ PECOS✔ Accepts Medicare0.3 mi

Gang Chen, M.D., PH.D.

Hematology/Oncology

NPI 1417390576

6701 N CHARLES ST
Towson, MD 21204

(443) 804-2730

✔ PECOS✔ Accepts Medicare0.3 mi

Kara Gerstmyer, CRNA

Certified Registered Nurse Anesthetist (CRNA)

NPI 1588086516

6701 N CHARLES ST
Baltimore, MD 21204

(410) 296-4616

✔ Accepts Medicare0.3 mi

Shama Jari, M.D.

Obstetrics/Gynecology

NPI 1255388401

6701 N CHARLES ST STE 2310
Baltimore, MD 21204

(443) 849-3082

✔ PECOS✔ Accepts Medicare0.3 mi

Antonie Kline, M.D.

Pediatric Medicine

NPI 1154347425

6701 N CHARLES ST ROOM 2326
Baltimore, MD 21204

(443) 849-3192

✔ PECOS✔ Accepts Medicare0.3 mi

Suhali Kundu, MD

Critical Care (Intensivists)

NPI 1508362716

6701 N CHARLES ST
Towson, MD 21204

(443) 849-2000

✔ PECOS✔ Accepts Medicare0.3 mi

Michael Sellman, M.D.

Neurology

NPI 1104870104

6701 N CHARLES ST SUITE 1650
Towson, MD 21204

(410) 347-1891

✔ PECOS✔ Accepts Medicare0.3 mi

Geoffrey Neuner, MD

Radiation Oncology

NPI 1548464001

6701 N CHARLES ST SUITE 1400
Baltimore, MD 21204

(443) 849-2540

✔ PECOS✔ Accepts Medicare0.5 mi

Ji Hyun Rhee

Pulmonary Disease

NPI 1740593136

6701 N CHARLES ST
Baltimore, MD 21204

(443) 849-3901

✔ PECOS✔ Accepts Medicare0.5 mi

Allison Ashcraft, MS, RD, LDN

Registered Dietitian or Nutrition Professional

NPI 1629653878

6535 N CHARLES ST STE 405
Baltimore, MD 21204

(443) 849-2036

✔ Accepts Medicare0.5 mi

John Flowers, M.D.

General Surgery

NPI 1891735965

6535 N CHARLES ST STE 125
Baltimore, MD 21204

(410) 821-6260

✔ PECOS✔ Accepts Medicare0.5 mi

Regina Presley, AU.D., CCC/A

Qualified Audiologist

NPI 1619902244

6535 N CHARLES ST STE 250
Baltimore, MD 21204

(443) 849-8400

0.5 mi

Valerie Cabrera Leon, MD

Colorectal Surgery (Proctology)

NPI 1235686288

6535 N CHARLES ST STE 445
Towson, MD 21204

(443) 849-6910

✔ PECOS✔ Accepts Medicare0.5 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 1609725977. It was assigned to this organization in the NPPES registry on January 28, 2026.

Where is Greater Baltimore Medical Center, Inc. located?

Greater Baltimore Medical Center, Inc. is located at 6701 N Charles St Ste 1400, Baltimore, MD 21204. The listed phone number is (443) 849-2540.

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

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

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, 3 practice at this address and 323 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 January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.