NPPES file of Aug 9, 2026

Steven Jo Ken Lum, M.D.

Anatomic Pathology & Clinical Pathology Physician · Anaheim, CA

Steven Jo Ken Lum, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Anaheim, California, and NPI 1932305190, issued on Jun 25, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932305190
Name
Steven Jo Ken Lum
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
MDR - 4378 HI
Self-reported in NPPES; status is on the state search
Practice location
1111 W LA Palma Ave, Anaheim, CA 92801
Phone
(714) 999-6075
Enumerated
Jun 25, 2007
Record last updated
Jan 20, 2023
Fax
(714) 999-3822
Medicare enrollment
Enrolled (PECOS I20100715000434); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →

Also registered at 1111 W LA Palma Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ruke Achoja, MDAnesthesiology Physician1700143914
  2. Katherine Atienza, RNGastroenterology Registered Nurse1386500221
  3. Sheryn Atkinson, RNCommunity Health Registered Nurse1285252387
  4. Lupita Cervantes RoblesClinical Social Worker1982482717
  5. Bharat Chauhan, M.D.Infectious Disease Physician1730243759
  6. Tara Chiazza, LCSWSocial Worker1306056353

Verify Steven Jo Ken Lum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Pathology Associates OF Anaheim A Professional Medical CorporationAnaheim, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Jo Ken Lum among 1,554 anatomic pathology & clinical pathology physician records in California

Steven Jo Ken Lum, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 43% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2003 · median 2003 among the 891 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

All 1,554 in California → Every provider in Anaheim → Anatomic Pathology & Clinical Pathology Physician nationwide →

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Jaklyn McClendon, M.D.Anaheim, CA 928011104889617
  2. Terry Welsh, MDAnaheim, CA 928011700881786
  3. Lei Zhang, M.D.Anaheim, CA 928011164683389
  4. Ali Ali, M.D.Anaheim, CA 928041598786113
  5. Robert Schmidt, M.D.Anaheim, CA 928041679519912
  6. Stephen Koh, M.D., PH.D.Anaheim, CA 928061003057316
  7. Jason Scapa, M.D.Anaheim, CA 928061982099230
  8. David Huebner-Chan, MDAnaheim, CA 928071134290190

Common questions

What is Steven Jo Ken Lum, M.D.'s NPI number?

Steven Jo Ken Lum, M.D.'s National Provider Identifier (NPI) is 1932305190, issued on Jun 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Steven Jo Ken Lum, M.D. located?

The NPPES record lists a practice address at 1111 W LA Palma Ave, Anaheim, CA, 92801. Phone: (714) 999-6075. Providers update this record themselves, so call before visiting.

How can I verify Steven Jo Ken Lum, M.D.'s license?

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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.