Are you Dr. Ng? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 4-50 Sutter St, Suite 1306, San Francisco, CA 94108
About Dr. Ng
Judy W. Ng, MD is a healthcare provider in San Francisco, CA specializing in dermatology. Judy trained at University of California, San Francisco School of Medicine, graduating in 1998. Medicare claims data shows Judy provided 1,674 services to 828 patients. The services billed most often include therapy procedure using ultraviolet radiation with tar or petroleum jelly application, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and destruction of precancer skin growth, 2-14 growths. This provider record is associated with NPI 1720059579.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (415) 781-4083
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4-50 SUTTER ST SUITE 1306
San Francisco, CA 94108
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune and connective tissue
Cancer care
Pediatric and genetic
Rashes & allergy
Wounds & skin
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Infections
Skin growths
Procedures & services
Bladder & bowel
Cosmetic & plastics
Cosmetic dermatology
Diagnostic procedures
- Dermoscopy
- Excisional skin biopsy
- Punch biopsy
- Shave biopsy
- Skin scraping for fungal or mite testing
- Patch testing
- Skin biopsy
Lesion treatment
- Chemical treatment of skin lesions
- Incision and drainage of an abscess
- Intralesional medication injection
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
Medical dermatology treatment
Skin and Scars
Skin cancer surgery
Skin growths
Wound Care
Most searched procedures
Cosmetic
Cosmetic and minor surgery
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Procedures Most Often Billed to Medicare
1,674 services · 828 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of precancer skin growth, 2-14 growths | Procedure | 17003 |
238 | Less often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
142 | As often as other peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
50 | Less often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
47 | Less often than most peers in Dermatology |
| Injection into skin growth, more than 7 growths | Procedure | 11901 |
37 | As often as other peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
16 | Less often than most peers in Dermatology |
| Therapy procedure using ultraviolet radiation with tar or petroleum jelly application | Treatment | 96910 |
413 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
366 | As often as other peers in Dermatology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
133 | More often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
112 | As often as other peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists in San Francisco 8
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1998 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Destruction of precancer skin growth, 2-14 growths 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Ng's specialty?
Dr. Ng is a dermatologist (skin doctor) in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Dr. Ng?
Dr. Ng is listed at 4-50 Sutter St Suite 1306, San Francisco, CA 94108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ng?
The number on file is (415) 781-4083. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ng?
Dr. Ng's National Provider Identifier is 1720059579. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Ng's medical education?
Dr. Ng attended University of California, San Francisco School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ng have?
Dr. Ng has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ng known for?
According to Medicare billing data, Dr. Ng performs procedures including destruction of precancer skin growth, 2-14 growths, destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 1 growth; provides treatments such as therapy procedure using ultraviolet radiation with tar or petroleum jelly application, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ng's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ng. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.