Stacey J. Keen, MD

Medicare activity in 2024

Official CMS public-use data for Stacey J. Keen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Injection, gadoterate meglumine, 0.1 ml (A9575)3,690 services
2. Screening 3d breast mammography (77063)2,329 services
3. Screening mammography (77067)2,325 services
4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)243 services
5. Diagnostic mammography of 1 breast (77065)186 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure71%
• Arthritis46%
• Diabetes25%
• Osteoporosis23%
• Anxiety21%

Hospitals where Stacey J. Keen works

Medicare's Facility Affiliation Data lists Stacey J. Keen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210044

Practice locations

Addresses where Stacey J. Keen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 23; the Medicare profile lists all.

• 104 Plumtree RdBel Air, MD 21015
• 116 Defense Hwy, Suite Ll100Annapolis, MD 21401
• 1209 York Rd, Suite 100Lutherville, MD 21093
• 122 Defense Hwy, Suite 102Annapolis, MD 21401 (888) 972‑9700
• 124 Sister Pierre DrTowson, MD 21204

Group practices

Medicare enrollment lists Stacey J. Keen as a member of this group (CMS data updated October 2, 2026).

• Advanced Radiology P A188 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Maryland →

Other radiologists in Bel Air

Clinicians with the same Medicare primary specialty in Bel Air, MD — not a recommendation.

• Margaret A. Lynch Nyhan, MD
• Howard A. Sachs, MD
• Allison L. Oldfield, MD
• Paul D. Bailey, MD
• Haleema Javid, MD
• Maria A. Manning, MD
• Michael Schonberger, MD
• Penny H. Saxon, MD

All radiologists in Bel Air →

Other clinicians in Advanced Radiology P A

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Margaret A. Lynch Nyhan, MD
• Allison L. Oldfield, MD
• Stephen M. Pomerantz, MD
• Donna Decosta, MD
• Alula Tesfay, MD
• Anna Cherian, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians