Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. CHANGGAO YANG MD
NPI 1366435638
Pathology - Anatomic Pathology & Clinical Pathology in Seal Beach, CA

Active since August 23, 2005PECOS Enrolled
0/100
CMS Quality Rating
3030 OLD RANCH PKWY, SUITE 430, SEAL BEACH, CA 90740(562) 799-8900(562) 799-8901 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 22, 2026, Jan 10, 2026 (2 updates tracked since 2026).

About Mr. Changgao Yang Md NPPES

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

MR. CHANGGAO YANG MD (NPI 1366435638) is an individual anatomic pathology & clinical pathology provider in Seal Beach, California, licensed in California (A062281) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1366435638
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameMR. CHANGGAO YANGCredential: MD
Location Address3030 OLD RANCH PKWY, SUITE 430Seal Beach, CA 90740-2765
Mailing Address3030 Old Ranch Pkwy Ste 430Seal Beach, CA 90740-2760 · (562) 799-8900 · Fax (562) 799-8901
Fax(562) 799-8901
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateAugust 23, 2005
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1366435638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · A062281
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 ListedPathology · HematologyTaxonomy 207ZH0000X · License A062281 (CA)
Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X · License A062281 (CA)
3030 OLD RANCH PKWY, Seal Beach, CA 90740

Other Identifiers 4

Other05D1012129Clia
OtherCDF-90013865CA · Cdph
Medicaid00A62281CA
Other05D2225611Clia

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

Mr. Changgao Yang 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 ID6406751197
PECOS Enrollment IDI20051221000681
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 28

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.

Flow cytometry technique for dna or cell analysis, each additional marker 88185
Flow cytometry is a technique that helps analyze the physical and chemical characteristics of cells or particles. When an additional marker is used, it aids in identifying specific cell types or stages of disease. This helps in precise diagnosis and treatment planning.
4,778 services149 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.
1,445 services430 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.
978 services432 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.
786 services101 patients
Special stained specimen slides to examine tissue, each multiplex procedure 88344
Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.
742 services130 patients
Chromosome analysis for genetic defects, additional specialized banding technique 88283
Chromosome analysis is a test that examines chromosomes in a sample of cells. This helps identify genetic defects that could lead to certain diseases. The additional specialized banding technique allows for a more detailed view of the chromosomes, making it easier to spot any abnormalities.
581 services116 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90740 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.

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

Other Providers at the Same Location NPPES

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

Clinical Medical Laboratory
3030 OLD RANCH PKWY, SUITE 430
SEAL BEACH, CA 90740

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 Changgao Yang's NPI number?

The NPI number for Changgao Yang is 1366435638. It was assigned to this individual provider in the NPPES registry on August 23, 2005.

Where is Changgao Yang located?

Changgao Yang practices at 3030 Old Ranch Pkwy Suite 430, Seal Beach, CA 90740. The listed phone number is (562) 799-8900.

What is Changgao Yang's specialty?

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

Is Changgao Yang enrolled in Medicare?

Yes. Changgao Yang 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 Changgao Yang was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.