Maaza S. Abdi, MD

Medicare activity in 2024

Official CMS public-use data for Maaza S. Abdi, 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. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)64 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)59 services
3. Biopsy of anus with magnification and chemical agent enhancement using an endoscope (46607)55 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)48 services
5. Biopsy of large bowel using a flexible endoscope (45380)38 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%
• Arthritis42%
• Diabetes36%
• Ischemic heart disease32%
• Depression31%

Hospitals where Maaza S. Abdi works

Medicare's Facility Affiliation Data lists Maaza S. Abdi 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 Maaza S. Abdi is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

• 2360 W Joppa Rd, Joppa ConcourseLutherville, MD 21093
• 4940 Eastern AveBaltimore, MD 21224
• 5450 Knoll N DrColumbia, MD 21045 (443) 546‑1700
• 5601 Lloch Raven BlvdBaltimore, MD 21239 (443) 444‑4714
• 600 N Wolf StBaltimore, MD 21287

Group practices

Medicare enrollment lists Maaza S. Abdi as a member of this group (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in Maryland →

Other gastroenterologists in Lutherville

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

• Tsion Abdi, MD
• Richard Desi, MD
• Sudhir K. Dutta, MD
• Marshall Bedine, MD
• Vikesh Singh, MD
• Patrick A. Hyatt, MD
• Saowanee Ngamruengphong, MD
• Hazel Veloso, MD

All gastroenterologists in Lutherville →

Other clinicians in Johns Hopkins University

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

• Megan McAuliffe, CNA
• William Taber, MD
• Justin O. Benabdallah, MD
• Caridad De La Uz, MD
• Kelly J. Lafaro, MD
• Benjamin C. Johnson, 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