CHUNG-KWAN YEN DDS
NPI 1447356597
Dentist - Oral and Maxillofacial Surgery in Palo Alto, CA
About Chung-kwan Yen Dds NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHUNG-KWAN YEN DDS (NPI 1447356597) is an individual oral and maxillofacial surgery provider in Palo Alto, California, licensed in California (032210) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Milpitas, and is a graduate of Emory University School Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
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
Chung-kwan Yen Dds 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 Chung-kwan Yen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94304 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.
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 Chung-kwan Yen's NPI number?
The NPI number for Chung-kwan Yen is 1447356597. It was assigned to this individual provider in the NPPES registry on September 16, 2006.
Where is Chung-kwan Yen located?
Chung-kwan Yen practices at 725 Welch Rd, Palo Alto, CA 94304. The listed phone number is (650) 497-8000.
What is Chung-kwan Yen's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is Chung-kwan Yen enrolled in Medicare?
Yes. Chung-kwan Yen 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 Chung-kwan Yen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chung-kwan Yen reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Chung-kwan Yen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chung-kwan Yen accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Chung-kwan Yen 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.
When was this NPI record last updated?
The NPPES record for Chung-kwan Yen was last updated on April 29, 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.
# Chung-Kwan Yen, DDS · NPI 1447356597
Oral and Maxillofacial Surgery provider in Palo Alto, California. Individual provider, active in the CMS NPPES registry since September 16, 2006.
## Identity
- **NPI:** 1447356597 (Entity type: Individual)
- **Enumerated:** September 16, 2006
- **Primary specialty:** Dentist - Oral and Maxillofacial Surgery · taxonomy 1223S0112X
- **State license:** 032210 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 725 WELCH RD, Palo Alto, CA 94304-1601
- **Phone:** (650) 497-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 1984
## Record status
- **NPPES last updated:** April 29, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1447356597) · Data from the CMS NPPES public registry.