John K. Lam, M.D.
Trauma Surgery Physician · Chico, CA
John K. Lam, M.D. is a trauma surgery physician with a practice address in Chico, California, and NPI 1174759955, issued on Jun 7, 2009. Check the license (California A122862, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John K. Lam
- Credential
- M.D.
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License numbers
- A122862 CA
4301090742 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1531 Esplanade, Chico, CA 95926
- Phone
- (530) 332-6021
- Enumerated
- Jun 7, 2009
- Record last updated
- Feb 20, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (530) 893-6983
- Medicare enrollment
- Enrolled (PECOS I20180402001240); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1531 Esplanade
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abifadel, PHARM.D.Pharmacotherapy Pharmacist1427245455
- Bruce Aikin, MDEmergency Medicine Physician1679583074
- Mark Allen, M.D.Psychiatry Physician1114155256
- Francisco Alvarez, M.D.Hospitalist Physician1588690648
- Kelley Alvarez, P.A.Physician Assistant1912393448
- Travis Anderson, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1730456468
Verify John K. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122862Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average trauma surgery physician in 2024
14 Medicare Part D claims, against an average of 48 among the 447 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $5,067.39
17 payments; by number, the most common kind was food and beverage; 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.
Bills Medicare through one group practice
- Franciscan Medical GroupTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Trauma Surgery Physician providers in California
There are 146 trauma surgery physician records in California.
Other trauma surgery physician records in California
- Amir Amiri, M.D.Sacramento, CA1184605644
- Anthony Anagnostou, MDEureka, CA1427450568
- John Anderson, M.D.Sacramento, CA1184607921
- Zane Ashman, M.D.Loma Linda, CA1891137915
- Uma Bagga, M.D.Orange, CA1710207840
- Naveen BalanOakland, CA1669979134
- Shana Ballow, DOFresno, CA1275821936
- William Bandy, MDChico, CA1629080445
- Vishal Bansal, M.D.San Diego, CA1194889410
- Cristobal Barrios, MDOrange, CA1164624839
Common questions
What is John K. Lam, M.D.'s NPI number?
John K. Lam, M.D.'s National Provider Identifier (NPI) is 1174759955, issued on Jun 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John K. Lam, M.D. located?
The NPPES record lists a practice address at 1531 Esplanade, Chico, CA, 95926. Phone: (530) 332-6021. Providers update this record themselves, so call before visiting.
How can I verify John K. Lam, M.D.'s license?
NPPES lists California license number A122862, 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 John K. Lam, M.D. prescribe under Medicare Part D?
In 2024, John K. Lam, M.D. had 14 Medicare Part D claims; the average among trauma surgery physician prescribers was 48. 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.