Judy W. Ng, MD

Medicare activity in 2024

Official CMS public-use data for Judy W. Ng, 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. Therapy procedure using ultraviolet radiation with tar or petroleum jelly application (96910)413 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)366 services
3. Destruction of precancer skin growth, 2-14 growths (17003)238 services
4. Destruction of skin growth, 1-14 growths (17110)142 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)133 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 pressure63%
• Arthritis40%
• Diabetes29%
• Osteoporosis21%
• Chronic kidney disease17%

Hospitals where Judy W. Ng works

Medicare's Facility Affiliation Data lists Judy W. Ng 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.

• Chinese HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050407

Practice locations

Addresses where Judy W. Ng is enrolled with Medicare (CMS data updated October 2, 2026).

• 450 Sutter St, Suite 1306San Francisco, CA 94108 (415) 781‑4083

Group practices

Medicare enrollment lists Judy W. Ng as a member of this group (CMS data updated October 2, 2026).

• Norman H Epstein MD, John H Epstein MD, and Denny L Tuffanelli MD, Inc3 clinicians in the group

Specialties

• Dermatologyprimary

Find other Dermatology doctors in California →

Other dermatologists in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

• Timothy G. Berger, MD
• Laura B. Pincus, MD
• Kristina Liu, MD
• Adam N. Zakaria, MD
• Joanna H. Tu, MD
• Jack Resneck, MD
• Inder P. Dhillon, MD
• Katrina Abuabara, MD

All dermatologists in San Francisco →

Other clinicians in Norman H Epstein MD, John H Epstein MD, and Denny L Tuffanelli MD, Inc

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

• Lucia R. Tuffanelli, MD
• Richard F. Burroughs, 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