CAROL WEICHI CHEN MD
NPI 1700147030
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Stanford, CA
About Carol Weichi Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAROL WEICHI CHEN MD (NPI 1700147030) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Stanford, California, licensed in California (A160709) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
Secondary Practice Locations 2
Accepted Insurance
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
Carol Weichi Chen 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 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.
PALO ALTO, CA 94305
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 Carol Chen's NPI number?
The NPI number for Carol Chen is 1700147030. It was assigned to this individual provider in the NPPES registry on June 4, 2012.
Where is Carol Chen located?
Carol Chen practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Carol Chen's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Carol Chen enrolled in Medicare?
Yes. Carol Chen 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.
What insurance does Carol Chen accept?
Health plans from McLaren Health Plan Community list Carol Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Carol Chen affiliated with any hospitals?
According to CMS data, Carol Chen is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Carol Chen was last updated on July 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
