Howard S. Liu, MD

Medicare activity in 2024

Official CMS public-use data for Howard S. 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. Ct scan head or brain without contrast (70450)548 services
2. Mri scan of brain without contrast (70551)266 services
3. X-ray of chest, 1 view (71045)256 services
4. Mri scan of brain before and after contrast (70553)222 services
5. Ct scan of upper spine without contrast (72125)221 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%
• Arthritis59%
• Ischemic heart disease38%
• Anxiety33%
• Depression28%

Hospitals where Howard S. Liu works

Medicare's Facility Affiliation Data lists Howard S. 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.

• Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
• Stamford HospitalStamford, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070006

Practice locations

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

• 1 Hospital PlzStamford, CT 06902 (203) 276‑1000
• 148 E Ave, Suite 1mNorwalk, CT 06851 (203) 276‑4311

Group practices

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

• Stamford Health Medical Group Inc444 clinicians in the group
• Stamford Health-Norwalk Radiology LLC16 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in Connecticut →

Other radiologists in Stamford

Clinicians with the same Medicare primary specialty in Stamford, CT — not a recommendation.

• Ogonna K. Nwawka, MD
• Evan S. Wasserman, MD
• Bryan M. Lazzara, MD
• Eric A. Bogner, MD
• Qadus Awan, MD
• Meghan E. Sahr, MD
• Shari T. Jawetz, MD
• Tal Delman, MD

All radiologists in Stamford →

Other clinicians in Stamford Health Medical Group Inc

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

• Sylvie Rosenbloom, NP
• Kwen R. Ortega-Lingiah, MD
• Evan S. Wasserman, MD
• Bryan M. Lazzara, MD
• Kevin D. Miller, MD
• Tammie Tam, 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