Joanne J. Liu, MD

Medicare activity in 2024

Official CMS public-use data for Joanne J. Liu, 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. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)11 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 pressure73%

Hospitals where Joanne J. Liu works

Medicare's Facility Affiliation Data lists Joanne J. Liu 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 Georgetown University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090004
• Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005

Practice locations

Addresses where Joanne J. Liu is enrolled with Medicare (CMS data updated October 2, 2026).

• 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
• 1805 Columbia Rd NW, Mmg Adams MorganWashington, DC 20009 (202) 797‑4950
• 6410 Rockledge Dr, Suite 600Bethesda, MD 20817

Group practices

Medicare enrollment lists Joanne J. Liu as a member of these groups (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group
• Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in District of Columbia →

Other family doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

• Drew Q. Martin, DO
• Lori M. Newman, MD
• Evan J. Smith, DO
• Alison Bartleman, MD
• Natasha W. Lewry Beauvais, MD
• Aklecia A. McVoy, MD
• Anju Menon, MD
• Tonya T. Hailes, MD

All family doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Dawnielle C. Kilby-Robb, MD
• Amin Razmjou, MD
• Katie Z. Topper, NP
• Marissa Hay, NP
• Gideon C. Yeager, NP
• Stephen Chin, DO

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