Gretchen L. Brandt, MD

Medicare activity in 2024

Official CMS public-use data for Gretchen L. Brandt, 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)26 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%
• Diabetes75%
• Chronic kidney disease75%
• High cholesterol74%
• Heart failure50%
• Arthritis43%

Hospitals where Gretchen L. Brandt works

Medicare's Facility Affiliation Data lists Gretchen L. Brandt 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.

• Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
• 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 Gretchen L. Brandt is enrolled with Medicare (CMS data updated October 2, 2026).

• 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
• 14139 Potomac Mills RdWoodbridge, VA 22192 (703) 257‑3000

Group practices

Medicare enrollment lists Gretchen L. Brandt as a member of this group (CMS data updated October 2, 2026).

• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Largo

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

• Farzam Ayazi, MD
• John Gracely, DO
• Meena Noori, DO
• Megha Patel, MD
• Yvette D. Roberson, MD
• Onyekachi W. Egwim, MD
• Rachel A. Burchard, MD
• Jesus A. Henson, MD

All internal medicine doctors in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

• Ratih B. Sudharto, MD
• Sos A. Mboijana, MD
• Richard Liu, MD
• Richa Katyal, MD
• Jemilat Badamas, MD
• Maria-Ramona Evidente, 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