DR. CHIAJUNG KAREN LU M.D.
NPI 1730470477
Surgery - Trauma Surgery in Lewiston, ME
About Dr. Chiajung Karen Lu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHIAJUNG KAREN LU M.D. (NPI 1730470477) is an individual trauma surgery provider in Lewiston, Maine, licensed in Maine (MD21566) and active in the NPI registry since April 2011. She is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and is a graduate of Pennsylvania State University College Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
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. Chiajung Karen Lu M.d. 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 Chiajung Lu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 563 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Central Maine Medical Center
Acute Care Hospitals · Lewiston, MEMedicare 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 9
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 Chiajung Lu's NPI number?
The NPI number for Chiajung Lu is 1730470477. It was assigned to this individual provider in the NPPES registry on April 28, 2011.
Where is Chiajung Lu located?
Chiajung Lu practices at 12 High St Ste 401, Lewiston, ME 04240. The listed phone number is (207) 795-5767.
What is Chiajung Lu's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Trauma Surgery, with taxonomy code 2086S0127X.
Is Chiajung Lu enrolled in Medicare?
Yes. Chiajung Lu 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 Chiajung Lu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Chiajung Lu reassigns Medicare benefits to 3 organizations: Central Maine Medical Center (Lewiston, ME), Bridgton Hospital (Bridgton, ME) and Rumford Hospital (Rumford, ME). 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 Chiajung Lu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Chiajung Lu accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Chiajung Lu 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 Chiajung Lu affiliated with any hospitals?
According to CMS data, Chiajung Lu is affiliated with Central Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Chiajung Lu was last updated on July 21, 2022. 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.
# Dr. Chiajung Karen Lu, M.D. · NPI 1730470477
Trauma Surgery physician in Lewiston, Maine. Individual provider, active in the CMS NPPES registry since April 28, 2011.
## Identity
- **NPI:** 1730470477 (Entity type: Individual)
- **Enumerated:** April 28, 2011
- **Primary specialty:** Surgery - Trauma Surgery · taxonomy 2086S0127X
- **State license:** MD21566 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 12 HIGH ST STE 401, Lewiston, ME 04240-7690
- **Phone:** (207) 795-5767 · **Fax:** (207) 795-2732
## 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): Central Maine Medical Center (NPI 1689653487, Lewiston, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Rumford Hospital (NPI 1205991122, Rumford, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2011
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1730470477) · Data from the CMS NPPES public registry.