DR. WARREN CHOW MD
NPI 1093822017
Internal Medicine - Hematology & Oncology in Orange, CA
About Dr. Warren Chow Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WARREN CHOW MD (NPI 1093822017) is an individual hematology & oncology provider in Orange, California, licensed in California (G61354) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (1986).
NPPES Registry Identity
Specialties & Licenses 3
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Other Identifiers 1
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. Warren Chow 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.
Areas of Expertise CMS Part B claims 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92868 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Warren Chow's NPI number?
The NPI number for Warren Chow is 1093822017. It was assigned to this individual provider in the NPPES registry on August 24, 2006.
Where is Warren Chow located?
Warren Chow practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-5153.
What is Warren Chow's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Warren Chow enrolled in Medicare?
Yes. Warren Chow 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 Warren Chow was last updated on March 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
