Louis Chae-Wook Lim, MD
Anesthesiology Physician · Fullerton, CA
Louis Chae-Wook Lim, MD is an anesthesiology physician with a practice address in Fullerton, California, and NPI 1952353831, issued on May 17, 2006. Check the license (California A80343, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Louis Chae-Wook Lim
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A80343 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Valencia Mesa Dr, Fullerton, CA 92835
- Phone
- (714) 871-3280
- Enumerated
- May 17, 2006
- Record last updated
- Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (714) 447-6490
- Medicaid ID
- 00A803430 CA
- Medicare enrollment
- Enrolled (PECOS I20041019001382); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 101 E Valencia Mesa Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Abbott, MDEmergency Medicine Physician1518907864
- Nelson Aguinaga, RN, FNPFamily Nurse Practitioner1043909609
- Jonathon Ahn, MDAnesthesiology Physician1053803882
- Sora Ahn, RNCritical Care Medicine Registered Nurse1730026493
- Sherry Ansari, DPTPhysical Medicine & Rehabilitation Physician1467972992
- Tandeep Bains, PHARM.D.Pharmacist1568958114
Verify Louis Chae-Wook Lim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average anesthesiology physician in 2024
26 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $244.04
2 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 17,774 providers of this specialty with any payment received $669.59 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.
Bills Medicare through one group practice
- Allied Anesthesia Medical Group IncFullerton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis Chae-Wook Lim among 7,571 anesthesiology physician records in California
Louis Chae-Wook Lim, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2000 · median 2006 among the 4,868 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Fullerton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Bergman, DOFullerton, CA 928351801848866
- Richard Bollin, MDFullerton, CA 928351306898366
- Joseph Cochoit, MDFullerton, CA 928351679525612
- Renato Delcarmen, MDFullerton, CA 928351710938964
- Philip Demman, MDFullerton, CA 928351750332938
- Donald Galligan, DOFullerton, CA 928351205888245
- Michael Lillie, MDFullerton, CA 928351740231927
- John Maccarthy, MDFullerton, CA 928351013969591
Common questions
What is Louis Chae-Wook Lim, MD's NPI number?
Louis Chae-Wook Lim, MD's National Provider Identifier (NPI) is 1952353831, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Chae-Wook Lim, MD located?
The NPPES record lists a practice address at 101 E Valencia Mesa Dr, Fullerton, CA, 92835. Phone: (714) 871-3280. Providers update this record themselves, so call before visiting.
How can I verify Louis Chae-Wook Lim, MD's license?
NPPES lists California license number A80343, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis Chae-Wook Lim, MD prescribe under Medicare Part D?
In 2024, Louis Chae-Wook Lim, MD had 26 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
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.