CHIA-YEN LIEN
NPI 1023145067
Internal Medicine in Lakewood, CO
About Chia-yen Lien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHIA-YEN LIEN (NPI 1023145067) is an individual internal medicine provider in Lakewood, Colorado, licensed in Colorado (40557) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Chia-yen Lien 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 Reassignment
Medicare enrollment records show Chia-yen Lien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 80226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Chia-yen Lien's NPI number?
The NPI number for Chia-yen Lien is 1023145067. It was assigned to this individual provider in the NPPES registry on February 27, 2007.
Where is Chia-yen Lien located?
Chia-yen Lien practices at 8383 W Alameda Ave, Lakewood, CO 80226. The listed phone number is (303) 338-4545.
What is Chia-yen Lien's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Chia-yen Lien enrolled in Medicare?
Yes. Chia-yen Lien 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 organization bills Medicare for Chia-yen Lien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chia-yen Lien reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The 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 Chia-yen Lien'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 Chia-yen Lien was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Chia-Yen Lien · NPI 1023145067
Internal Medicine physician in Lakewood, Colorado. Individual provider, active in the CMS NPPES registry since February 27, 2007.
## Identity
- **NPI:** 1023145067 (Entity type: Individual)
- **Enumerated:** February 27, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 40557 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 8383 W ALAMEDA AVE, Lakewood, CO 80226-3007
- **Phone:** (303) 338-4545
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** December 14, 2021
- **Other identifiers:** Other 013873
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Source: [NPI Profile](https://npiprofile.com/npi/1023145067) · Data from the CMS NPPES public registry.