Chiajung Karen Lu, M.D.
Trauma Surgery Physician · Lewiston, ME
Chiajung Karen Lu, M.D. is a trauma surgery physician with a practice address in Lewiston, Maine, and NPI 1730470477, issued on Apr 28, 2011. Check the license (Maine MD21566, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Chiajung Karen Lu
- Credential
- M.D.
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- MD21566 ME
Self-reported in NPPES; status is on the state search - Practice location
- 12 High St Ste 401, Lewiston, ME 04240
- Phone
- (207) 795-5767
- Enumerated
- Apr 28, 2011
- Record last updated
- Jul 21, 2022
- Fax
- (207) 795-2732
- Medicare enrollment
- Enrolled (PECOS I20170922001171); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest trauma surgery physician records → All 10 in Maine → Look up another NPI →
Also registered at 12 High St Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Boro, M.D.Surgery Physician1346574027
- Heather Carpenter, NPNurse Practitioner1649603366
- Sandra CollinsRegistered Dietitian1649981523
- Alyssa Gunville, PASurgical Physician Assistant1134773294
- Scott Johnson, MDSurgery Physician1104896133
- David Lewis, M.D.Surgery Physician1003096116
Verify Chiajung Karen Lu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD21566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average trauma surgery physician in 2024
53 Medicare Part D claims for 52 beneficiaries, against an average of 48 among the 447 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 50 claims were for opioids.
Most prescribed
- Oxycodone Hcl50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $740.96
6 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 762 providers of this specialty with any payment received $2,324.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Central Maine Medical CenterLewiston, ME · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Chiajung Karen Lu among 10 trauma surgery physician records in Maine
Chiajung Karen Lu, M.D. is one of 10 trauma surgery physician records with a practice address in Maine. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 80% of them.
- NPI issued2011 · 80% of these records are older, 10% newer
- In a Medicare fileYes · 50% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Record last updated2022 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0127X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Trauma Surgery Physician providers in Maine
There are 10 trauma surgery physician records in Maine.
All 10 in Maine → Every provider in Lewiston → Trauma Surgery Physician nationwide →
The 8 trauma surgery physician records with the nearest ZIP codes
- David Burke, MDLewiston, ME 042401033130612
- Larry Hopperstead, MDLewiston, ME 042401346229077
- Brad Cushing, MDPortland, ME 041021184718694
- Gene Grindlinger, MDPortland, ME 041021629134184
- Amy Fenwick, MDBangor, ME 044011881894012
- Mark Grant, MDBangor, ME 044011669610960
- Thomas Nowakowski, M.D.Bangor, ME 044011023351368
- Sherry Page, M.D.Bangor, ME 044011376654210
Common questions
What is Chiajung Karen Lu, M.D.'s NPI number?
Chiajung Karen Lu, M.D.'s National Provider Identifier (NPI) is 1730470477, issued on Apr 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Chiajung Karen Lu, M.D. located?
The NPPES record lists a practice address at 12 High St Ste 401, Lewiston, ME, 04240. Phone: (207) 795-5767. Providers update this record themselves, so call before visiting.
How can I verify Chiajung Karen Lu, M.D.'s license?
NPPES lists Maine license number MD21566, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chiajung Karen Lu, M.D. prescribe under Medicare Part D?
In 2024, Chiajung Karen Lu, M.D. had 53 Medicare Part D claims for 52 beneficiaries; the average among trauma surgery physician prescribers was 48. Part D covers Medicare prescriptions only.
What is Chiajung Karen Lu, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.