Maryann E. Amirshahi, MD

Medicare activity in 2024

Official CMS public-use data for Maryann E. Amirshahi, 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. Emergency department visit with high level of medical decision making (99285)81 services
2. Critical care, first 30-74 minutes (99291)35 services
3. Emergency department visit with low level of medical decision making (99283)34 services
4. Emergency department visit with moderate level of medical decision making (99284)14 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%
• Diabetes52%
• Arthritis51%
• Ischemic heart disease48%
• Chronic kidney disease45%

Hospitals where Maryann E. Amirshahi works

Medicare's Facility Affiliation Data lists Maryann E. Amirshahi 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.

• MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210062
• MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090011

Practice locations

Addresses where Maryann E. Amirshahi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

• 1406 Crain S Hwy 106Glen Burnie, MD 21061 (410) 768‑6440
• 25500 Point Lookout RdLeonardtown, MD 20650 (240) 434‑4088
• 29955 Three Notch Rd, 100 Mmg at Charlotte HallCharlotte Hall, MD 20622 (301) 290‑5300
• 3800 Reservoir Rd NWWashington, DC 20007 (202) 444‑2000
• 5601 Lloch Raven BlvdBaltimore, MD 21239

Group practices

Medicare enrollment lists Maryann E. Amirshahi as a member of this group (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

• Emergency Medicineprimary

Find other Emergency Medicine doctors in Maryland →

Other emergency medicine doctors in Glen Burnie

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

• Michael E. Perraut, MD
• Daniel Dabbah, MD
• Colleen E. Holley, MD
• Bonnie J. Kerr, MD
• Lulu Wang, MD
• Alisa M. Larbalestrier, MD
• Rachel Mallalieu, DO
• Alfred G. Jump, MD

All emergency medicine doctors in Glen Burnie →

Other clinicians in MedStar Medical Group II LLC

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

• Jordyn D. Bethea, PA
• Danny Shearer, MD
• Mildred K. Myrtil, NP
• Douglas Heater, CNA
• Zakiya N. Lockhart, MD
• Maalini Suresh, 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