RYAN CHANG NPI 1164985263

NPI Information

  • NPI: 1164985263
  • Provider Name: RYAN CHANG
  • Classification: Internal Medicine - 207RX0202X
  • Specialization: Medical Oncology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 218 DE ANZA BLVD
    SAN MATEO, CA
    ZIP 94402
  • Phone: (415) 514-7520

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NPI Details

Ryan Chang is a medical oncology internal medicine in San Mateo, CA with 7 years of experience. The provider is an internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer. Ryan Chang NPI is 1164985263. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduation Year:2019

The provider's business location address is:

218 DE ANZA BLVD
SAN MATEO, CA
ZIP 94402-913
Phone: (415) 514-7520

The NPI 1164985263 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The enumeration date for this NPI number is 4/8/2019 and was last updated on 8/28/2024.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RX0202XInternal MedicineMedical OncologyA179941CALIFORNIAYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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