WILLIAM HON-WAI YONG MD
NPI 1578560520
Pathology - Anatomic Pathology & Clinical Pathology in Los Angeles, CA

Q: What is William Yong's NPI number?

The NPI number for William Yong is 1578560520. It was assigned to this individual provider in the NPPES registry on July 6, 2005.

Q: What is William Yong's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Yong was last updated on November 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since July 06, 2005PECOS EnrolledAccepts Medicare Assignment

10833 LE CONTE AVE, CHS B-186, LOS ANGELES, CA 90095(310) 794-1355 Get Directions Write a Review

NPPES record last updated: November 30, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About William Hon-wai Yong Md NPPES

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

WILLIAM HON-WAI YONG MD (NPI 1578560520) is an individual anatomic pathology & clinical pathology provider in Los Angeles, California, licensed in California (G81305) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1991).

NPPES Registry Identity

NPI1578560520

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameWILLIAM HON-WAI YONGCredential: MD

Location Address10833 LE CONTE AVE, CHS B-186Los Angeles, CA 90095-3075

Mailing Address5767 W. Century Blvd, #400Los Angeles, CA 90045-5655 · (310) 794-1355

Phone(310) 794-1355

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1991

Enumeration DateJuly 6, 2005

Last NPPES UpdateNovember 30, 2010

✔ NPI 1578560520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in CA · G81305

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.

Also ListedSpecialistTaxonomy 174400000X · License G81305 (CA)

10833 LE CONTE AVE, Los Angeles, CA 90095

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Other Identifiers 3

Medicaid00G813050CA

Medicare PINWG81305BCA

Medicare UPING86420CA

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

William Hon-wai Yong 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 ID3779586144

PECOS Enrollment IDI20060824000583

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 12

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.

Antibody evaluation, each additional single antibody stain procedure 88350

An antibody evaluation involves testing a sample of your body fluid (like blood) to identify specific antibodies. Each additional single antibody stain procedure is a separate test for another specific antibody. This helps in diagnosing various health conditions by understanding your body's immune response.

255 services25 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.

121 services33 patients

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.

109 services62 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

100 services29 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

68 services57 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

62 services38 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

52 services33 patients

Antibody evaluation, initial single antibody stain procedure 88346

An antibody evaluation, initial single antibody stain procedure is a laboratory test. It's designed to identify specific proteins, or antibodies, in your body. This can help diagnose certain conditions or monitor your immune system's response to treatments. The procedure involves staining a single type of antibody for detection.

31 services25 patients

Electron microscopy for diagnosis 88348

Electron microscopy is a diagnostic tool providing detailed images of tiny structures within the body, much smaller than those visible with regular microscopes. It aids in identifying diseases at a cellular level, enhancing accuracy of diagnosis.

31 services25 patients

Special stained specimen slides to examine tissue and frozen preparation of specimen including interpretation and report 88314

This process involves staining tissue samples on slides to highlight different elements and examine them under a microscope. In some cases, the specimen is quickly frozen to preserve its structure. A detailed report is provided after interpretation of the results.

28 services24 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

27 services25 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

27 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

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.

DR. JENNIFER A FULCHER M.D., PH.D.

Internal Medicine (Infectious Disease)

10833 LE CONTE AVE, CHS 37-121
LOS ANGELES, CA 90095

Los Angeles County (310) 825-7225

LEE HAROLD HILBORNE MD

Pathology (Anatomic Pathology & Clinical Pathology)

10833 LE CONTE AVE, STE B-186 CHS
LOS ANGELES, CA 90095

Los Angeles County (310) 794-8285

PETER TONTONOZ MD

Pathology (Anatomic Pathology)

10833 LE CONTE AVE, STE B-186 CHS
LOS ANGELES, CA 90095

Los Angeles County (310) 794-8285

HSIN Y LEE MD

Radiology (Diagnostic Radiology)

10833 LE CONTE AVE
LOS ANGELES, CA 90095

Los Angeles County (310) 825-4721

COLIN J. WELLS MD

Radiology (Diagnostic Radiology)

10833 LE CONTE AVE
LOS ANGELES, CA 90095

Los Angeles County (310) 301-6800

RODNEY L TEICHNER MD

Anesthesiology

10833 LE CONTE AVE
LOS ANGELES, CA 90095

Los Angeles County (310) 825-9111

DR. LLOYD EDWARD GREASER III M.D.

Radiology (Diagnostic Radiology)

10833 LE CONTE AVE, DEPARTMENT OF RADIOLOGY
LOS ANGELES, CA 90095

Los Angeles County (310) 825-4321

BRANDON KEN ITAGAKI M.D.

Internal Medicine

10833 LE CONTE AVE
LOS ANGELES, CA 90095

Los Angeles County (310) 825-8307

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 William Yong's NPI number?

The NPI number for William Yong is 1578560520. It was assigned to this individual provider in the NPPES registry on July 6, 2005.

Where is William Yong located?

William Yong practices at 10833 Le Conte Ave Chs B-186, Los Angeles, CA 90095. The listed phone number is (310) 794-1355.

What is William Yong's specialty?

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

Is William Yong enrolled in Medicare?

Yes. William Yong 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.

When was this NPI record last updated?

The NPPES record for William Yong was last updated on November 30, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.