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Edit this profileWhere to find Dianna Ng, MD
- San Francisco location main office
185 Berry St, Suite 100, San Francisco, CA 94107 - San Francisco location
400 Parnassus Ave, San Francisco, CA 94143
About Dr. Ng
Dianna Ng, MD is a healthcare provider in San Francisco, CA specializing in anatomic & clinical pathology. Dianna trained at New York University School of Medicine, graduating in 2011. Medicare claims data shows Dianna provided 1,469 services to 1,093 patients. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, cell examination of specimen, selective cellular enhancement technique, and special stained specimen slides to examine tissue, each additional procedure. This provider record is associated with NPI 1942599873.
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) 353-7359
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
185 BERRY ST SUITE 100
San Francisco, CA 94107
400 Parnassus Ave
San Francisco, CA 94143
Conditions Evaluated or Diagnosed
Within Anatomic & Clinical Pathology 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 & Joint
Blood cancer
Blood chemistry
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Procedures & services
Pathology Consultations
Biopsy & Tissue Testing
- Bone Marrow Biopsy Testing
- Colon Polyp Biopsy Examination
- Fine Needle Aspiration Biopsy
- Frozen Section During Surgery
- Skin Biopsy Lab Review
- Special Tissue Staining
- Thyroid Biopsy Examination
Blood chemistry
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
Inflammation testing
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
- Blood Clotting Test
- Cholesterol screening
- Hemoglobin A1c Test
- Kidney Function Blood Test
- Liver Function Blood Test
- Routine blood work
- Thyroid Blood Test
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
Procedures Most Often Billed to Medicare
1,469 services · 1,093 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
43 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
245 | Less often than most peers in Anatomic & Clinical Pathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
199 | More often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
163 | As often as other peers in Anatomic & Clinical Pathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
142 | More than most peers in Anatomic & Clinical Pathology |
| Evaluation of fine needle aspirate | Lab test | 88172 |
128 | More than most peers in Anatomic & Clinical Pathology |
| Pathology cytologic examination of specimen during surgery, initial site | Lab test | 88333 |
123 | More than most peers in Anatomic & Clinical Pathology |
| Cell examination of specimen, concentration technique | Lab test | 88108 |
105 | More often than most peers in Anatomic & Clinical Pathology |
| Pap test, evaluation of fine needle aspirate, immediate, each additional evaluation episode | Lab test | 88177 |
102 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology cytologic examination of specimen during surgery, each additional site | Lab test | 88334 |
75 | More often than most peers in Anatomic & Clinical Pathology |
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 anatomic & clinical pathology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anatomic & clinical pathology specialists in San Francisco 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at New York University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at New York University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 7
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Ng's specialty?
Dr. Ng is an anatomic & clinical pathology in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Ng?
Dr. Ng is listed at 185 Berry St Suite 100, San Francisco, CA 94107. 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) 353-7359. 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 1942599873. 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 New York University School of Medicine, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ng have?
Dr. Ng has 15 years experience. Calculated from a graduation year of 2011, 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 fine needle aspiration biopsy using ultrasound guidance, first growth, 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.