DR. DIANNA NG MD
NPI 1942599873
Pathology - Anatomic Pathology & Clinical Pathology in San Francisco, CA

Active since March 31, 2011PECOS EnrolledAccepts Medicare Assignment
76.15/100
CMS Quality Rating
185 BERRY ST, SUITE 100, SAN FRANCISCO, CA 94107(415) 353-7359 Get Directions Write a Review

NPPES record last updated: June 23, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 23, 2020, Jun 12, 2020, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Dianna Ng Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DIANNA NG MD (NPI 1942599873) is an individual anatomic pathology & clinical pathology provider in San Francisco, California, licensed in California (A123180) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Suny/stony Brook University Hospital, and maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1942599873
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. DIANNA NGCredential: MD
Location Address185 BERRY ST, SUITE 100San Francisco, CA 94107-5705
Mailing Address185 Berry St, Suite 100San Francisco, CA 94107-5705
Sole ProprietorNo
Medical School CMSNew York University School Of MedicineGraduated 2011
Enumeration DateMarch 31, 2011
Last NPPES UpdateJune 23, 20204 updates tracked since enumeration
NPPES CertifiedJune 23, 2020
NPI 1942599873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in CA · A123180
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
185 BERRY ST, San Francisco, CA 94107

Secondary Practice Location 1

Location 1400 Parnassus AveSan Francisco, CA 94143-2202 · Phone (415) 476-1000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Dianna Ng Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618108911
PECOS Enrollment IDI20201023001779
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
245 services198 patients
Cell examination of specimen, selective cellular enhancement technique 88112
Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.
199 services178 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
163 services52 patients
Evaluation of fine needle aspirate with interpretation and report 88173
This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.
142 services100 patients
Evaluation of fine needle aspirate 88172
Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).
128 services89 patients
Pathology cytologic examination of specimen during surgery, initial site 88333
A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.
123 services121 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY
4/5 CMS rating
OwnershipGovernment - State
CMS Certification Number330393
LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
185 BERRY ST, SUITE 100
SAN FRANCISCO, CA 94107
Family Medicine
185 BERRY ST, LOBBY 1, SUITE 1000
SAN FRANCISCO, CA 94107
General Acute Care Hospital
185 BERRY ST, SUITE 300
SAN FRANCISCO, CA 94107
Pathology (Anatomic Pathology & Clinical Pathology)
185 BERRY ST
SAN FRANCISCO, CA 94107
Clinic/Center (Medical Specialty)
185 BERRY ST, SUITE 4801
SAN FRANCISCO, CA 94107
Student in an Organized Health Care Education/Training Program
185 BERRY ST
SAN FRANCISCO, CA 94107
Student in an Organized Health Care Education/Training Program
185 BERRY ST
SAN FRANCISCO, CA 94107
Pathology (Anatomic Pathology)
185 BERRY ST, SUITE 100
SAN FRANCISCO, CA 94107

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dianna Ng's NPI number?

The NPI number for Dianna Ng is 1942599873. It was assigned to this individual provider in the NPPES registry on March 31, 2011.

Where is Dianna Ng located?

Dianna Ng practices at 185 Berry St Suite 100, San Francisco, CA 94107. The listed phone number is (415) 353-7359.

What is Dianna Ng's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Dianna Ng enrolled in Medicare?

Yes. Dianna Ng is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Dianna Ng affiliated with any hospitals?

According to CMS data, Dianna Ng is affiliated with Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Dianna Ng was last updated on June 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.