Physician Profile
Nancy Y. Greenland, MD practices cytopathology in San Francisco, CA. Nancy is a 2014 graduate of Stanford University School of Medicine. Nancy is also listed as specializing in anatomic & clinical pathology. According to Medicare claims data, Nancy cared for 1,571 Medicare patients across 2,221 services. 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1825 4TH ST # 4034
San Francisco, CA 94143
Within 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.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
2,221 services · 1,571 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
49 | As often as other peers in Cytopathology |
| Fine needle aspiration biopsy, first growth | Procedure | 10021 |
12 | Too few peers to compare |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
529 | More often than most peers in Cytopathology |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
421 | More than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
286 | More often than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
273 | More than most peers in Cytopathology |
| Special stained specimen slides to examine tissue, each multiplex procedure | Lab test | 88344 |
115 | More often than most peers in Cytopathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
92 | As often as other peers in Cytopathology |
| Evaluation of fine needle aspirate | Lab test | 88172 |
91 | More often than most peers in Cytopathology |
| Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | Billing code | G0416 |
61 | More often than most peers in Cytopathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Greenland is a cytopathology in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Greenland is listed at 1825 4Th St # 4034, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 353-7043. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Greenland's National Provider Identifier is 1427476712. 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
Dr. Greenland attended Stanford University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Greenland has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Greenland performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth and fine needle aspiration biopsy, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greenland. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.