Warren Wai Lam, MEDICAL DOCTOR
Diagnostic Radiology Physician · Pasadena, CA
Warren Wai Lam, MEDICAL DOCTOR is a diagnostic radiology physician with a practice address in Pasadena, California, and NPI 1114917143, issued on Oct 21, 2005. Check the license (California G76496, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Warren Wai Lam
- Credential
- MEDICAL DOCTOR
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G76496 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 397-5139
- Enumerated
- Oct 21, 2005
- Record last updated
- Oct 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (626) 447-1058
- Medicaid ID
- 00G764960 CA
- Medicare enrollment
- Enrolled (PECOS I20050916000498); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Warren Wai Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G76496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 85.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $19.57
1 payment: food and beverage; the largest payer was Philips North America LLC. The 8,048 providers of this specialty with any payment received $2,488.38 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 2 group practices
- Cedars-Sinai Medical Care FoundationArcadia, CA
- Radiant Imaging IncPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Warren Wai Lam among 4,500 diagnostic radiology physician records in California
Warren Wai Lam, MEDICAL DOCTOR is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2004 among the 3,130 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Pasadena → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Bryan, M.D.Pasadena, CA 911051336138791
- Jon Foran, MEDICAL DOCTORPasadena, CA 911051417946526
- Christopher Hedley, MEDICAL DOCTORPasadena, CA 911051417946534
- Andrew King, MEDICAL DOCTORPasadena, CA 911051588653554
- Vivian McCorvey, M.D.Pasadena, CA 911051992788566
- Una Morris, M.D.Pasadena, CA 911051821187410
- Leonard Petrus, MEDICAL DOCTORPasadena, CA 911051679562680
- Michael Quinn, M.D.Pasadena, CA 911051578535134
Common questions
What is Warren Wai Lam, MEDICAL DOCTOR's NPI number?
Warren Wai Lam, MEDICAL DOCTOR's National Provider Identifier (NPI) is 1114917143, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Warren Wai Lam, MEDICAL DOCTOR located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 397-5139. Providers update this record themselves, so call before visiting.
How can I verify Warren Wai Lam, MEDICAL DOCTOR's license?
NPPES lists California license number G76496, 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.
What is Warren Wai Lam, MEDICAL DOCTOR's MIPS final score?
The 2023 MIPS final score is 85.1 of 100. 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.