Judy Ng, MD
NPI 1720059579 · Dermatology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judy Ng, MD is a Dermatology Physician provider in San Francisco, CA (NPI 1720059579).
Provider details
- NPI number
- 1720059579
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- A78745 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,674 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Ultraviolet Radiation With Tar Or Petroleum Jelly Application96910 | 413 | $145 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 366 | $97 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 238 | $8 |
| Destruction of Skin Growth, 1-14 Growths17110 | 142 | $132 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 133 | $119 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 321 | 146 |
| Gabapentin | 293 | 116 |
| Tacrolimus | 223 | 99 |
| Ketoconazole | 197 | 98 |
| Fluocinonide | 183 | 92 |
| Triamcinolone Acetonide | 143 | 80 |
| Hydrocortisone | 125 | 69 |
| Calcipotriene |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,227 across 157 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Judy Ng's NPI number?
- Judy Ng's National Provider Identifier (NPI) is 1720059579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Ng's specialty?
- Judy Ng is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Ng located?
- Judy Ng's practice location on file with NPPES is 4-50 Sutter St, San Francisco, CA 94108-4006.
- What is Judy Ng's phone number?
- The practice phone number listed in the NPPES registry for Judy Ng is (415) 781-4083.
- Does Judy Ng accept Medicare?
- Judy Ng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judy Ng's NPI active?
- Yes — Judy Ng's NPI (1720059579) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.