MENG CHEN MD
NPI 1497190714
Internal Medicine - Allergy & Immunology in Stanford, CA
About Meng Chen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MENG CHEN MD (NPI 1497190714) is an individual allergy & immunology provider in Stanford, California, licensed in California (A133233) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Meng 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.
Medicare Billing Reassignments
2Medicare enrollment records show Meng Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
San Leandro, CA 94577
- Reassigned Medicare billing, California enrollment
- 204 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
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 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, 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 Meng Chen's NPI number?
The NPI number for Meng Chen is 1497190714. It was assigned to this individual provider in the NPPES registry on April 30, 2013.
Where is Meng Chen located?
Meng Chen practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Meng Chen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.
Is Meng Chen enrolled in Medicare?
Yes. Meng 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.
Which organizations bill Medicare for Meng Chen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Meng Chen reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Knd Development 59, LLC (San Leandro, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Meng Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Meng Chen was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.