DR. JOHN CHAO-CHUN LIN MD
NPI 1629042379
Pediatrics - Pediatric Critical Care Medicine in Saint Louis, MO
About Dr. John Chao-chun Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHAO-CHUN LIN MD (NPI 1629042379) is an individual pediatric critical care medicine provider in Saint Louis, Missouri, licensed in Missouri (2011016078) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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
Dr. John Chao-chun Lin 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
3Medicare enrollment records show John Lin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63110
- Reassigned Medicare billing, Missouri enrollment
- 628 clinicians in this Medicare group
Richland, WA 99352
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: The Association Of Chrmc And University Physicians
- 1,443 clinicians in this Medicare group
Seattle, WA 98104
- Reassigned Medicare billing, Washington enrollment
- 4,364 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.
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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 John Lin's NPI number?
The NPI number for John Lin is 1629042379. It was assigned to this individual provider in the NPPES registry on February 16, 2006.
Where is John Lin located?
John Lin practices at 1 Childrens Pl Div Ped Critical Care Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2527.
What is John Lin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is John Lin enrolled in Medicare?
Yes. John Lin 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 John Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Lin reassigns Medicare benefits to 3 organizations: Washington University (Saint Louis, MO), Association Of Chmc And University Physicians (Richland, WA) and The Association Of University Physicians (Seattle, WA). 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 John Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Lin accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list John Lin 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 John Lin was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Dr. John Chao-Chun Lin, MD · NPI 1629042379
Pediatric Critical Care Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since February 16, 2006.
## Identity
- **NPI:** 1629042379 (Entity type: Individual)
- **Enumerated:** February 16, 2006
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** 2011016078 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 CHILDRENS PL, DIV PED CRITICAL CARE MED, Saint Louis, MO 63110-1002
- **Phone:** (314) 454-2527 · **Fax:** (314) 747-8880
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Washington University (NPI 1194765685, Saint Louis, MO); Association Of Chmc And University Physicians (NPI 1851680664, Richland, WA); The Association Of University Physicians (NPI 1023041159, Seattle, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** April 17, 2025
- **Other identifiers:** Medicaid 204391700 (MO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1629042379) · Data from the CMS NPPES public registry.