Zachary Zimmer, MD

Medicare activity in 2024

Official CMS public-use data for Zachary Zimmer, 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. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)614 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)241 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)172 services
4. Aspiration and/or injection of fluid from large joint (20610)144 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)51 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).

• Arthritis75%
• High cholesterol72%
• High blood pressure69%
• Ischemic heart disease33%
• Diabetes30%
• Depression25%

Hospitals where Zachary Zimmer works

Medicare's Facility Affiliation Data lists Zachary Zimmer 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.

• George Washington University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 090001

Practice locations

Addresses where Zachary Zimmer is enrolled with Medicare (CMS data updated October 2, 2026).

• 2300 M St NWWashington, DC 20037 (202) 677‑6990
• 610 Professional Dr, Suite 270Gaithersburg, MD 20879 (301) 926‑0200

Group practices

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

• Medical Faculty Associates, Inc672 clinicians in the group
• Precision Orthopedics and Sports Medicine43 clinicians in the group

Specialties

• Sports Medicineprimary

Find other Sports Medicine doctors in District of Columbia →

Other sports medicine doctors in Washington

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

• Phillip P. Cozzi, DO
• Daniel Hampton, MD
• Steven J. Svoboda, MD
• Chenai Nettey, MD
• John P. Tabacco, MD

All sports medicine doctors in Washington →

Other clinicians in Medical Faculty Associates, Inc

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

• Shabnam Samankan, MD
• Steven W. Boyce, MD
• Kathryn Abell, DO
• Ted L. Rothstein, MD
• Deyanira J. Prastein, MD
• Arhita Dasgupta, 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