Po Zhao, MD

Medicare activity in 2024

Official CMS public-use data for Po Zhao, 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. Pathology examination of tissue using a microscope, intermediate complexity (88305)1,110 services
2. Special stained specimen slides to examine tissue, each additional procedure (88341)650 services
3. Evaluation of fine needle aspirate with interpretation and report (88173)375 services
4. Cell examination of specimen, selective cellular enhancement technique (88112)216 services
5. Special stained specimen slides to examine tissue, initial procedure (88342)210 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%
• Arthritis48%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)39%
• Diabetes36%
• Ischemic heart disease36%

Hospitals where Po Zhao works

Medicare's Facility Affiliation Data lists Po Zhao 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

Practice locations

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

• 110 Irving St NWWashington, DC 20010 (202) 877‑7000
• 25500 Point Lookout RdLeonardtown, MD 20650 (240) 434‑4088
• 3800 Reservoir Rd NWWashington, DC 20007 (202) 444‑2000

Group practices

Medicare enrollment lists Po Zhao as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Pathologyprimary

Find other Pathology doctors in District of Columbia →

Other pathologists in Washington

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

• Robert Jones, MD
• Mica D. Grantham, MD
• Kaihui Liang, MD
• Rashmi T. Samdani, MD
• Wen Lee, MD
• Zhonghua Liu, MD
• Andrea Richardson, MD
• Sarah Karram, MD

All pathologists in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Dwain Skinner, MD
• Megan K. Ramaika, MNT
• Megan Milliner, PA
• Kaitlyn Colliton, CNA
• Ronald F. Sher, MD
• Anita Tammara, 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