Elie Portnoy, MD

Medicare activity in 2024

Official CMS public-use data for Elie Portnoy, 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. X-ray of chest, 1 view (71045)367 services
2. X-ray of chest, 2 views (71046)168 services
3. Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (99152)67 services
4. X-ray of abdomen, 1 view (74018)64 services
5. X-ray of knee, 1-2 views (73560)54 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 blood pressure75%
• High cholesterol75%
• Arthritis59%
• Ischemic heart disease51%
• Diabetes49%
• Chronic kidney disease49%

Hospitals where Elie Portnoy works

Medicare's Facility Affiliation Data lists Elie Portnoy 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.

• Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210029
• The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009

Practice locations

Addresses where Elie Portnoy is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.

• 10803 Falls RdLutherville, MD 21093
• 10803 Falls Rd Pavilion III, Greenspring Station AscLutherville, MD 21093 (410) 955‑6108
• 11055 Little Patuxent PkwyColumbia, MD 21044 (443) 574‑5800
• 4940 Eastern AveBaltimore, MD 21224
• 5755 Cedar LnColumbia, MD 21044 (410) 740‑7890

Group practices

Medicare enrollment lists Elie Portnoy as a member of these groups (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group
• Johns Hopkins University713 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Maryland →

Other radiologists in Lutherville

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

• Katarzyna J. Macura, MD
• Vivek Yedavalli, MD
• Alice Goldman, MD
• Claire E. Brookmeyer, MD
• Francisco Brito Encarnacion, MD
• Emily B. Ambinder, MD
• Joanne Trapeni, DO
• Elie Saad, MD

All radiologists in Lutherville →

Other clinicians in Johns Hopkins University

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

• Jesse Stokum, MD
• Megan Mastalerz, CP
• Hugh Calkins, MD
• Stasia S. Reynolds, MD
• Carey D. Roesler, PA
• Christina M. Lackner, PA

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