Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Marcus Wesley Lum, MD

Individual provider Family Medicine Physician · NPI 1003839242

Marcus Wesley Lum, MD is a Family Practice in LA Mirada, California. Qualified in 1990, 36 years ago. Practices with Imperial Primary Care Medical Group, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
36
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

15034 Imperial Hwy
LA Mirada, CA 90638-1301
Phone: (562) 902-3000
Fax: (562) 902-9563
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G073347 (CA)

Record details

NPI number1003839242
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESJuly 8, 2007
Mailing address15034 Imperial Hwy, La Mirada, CA 90638-1301

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Imperial Primary Care Medical Group — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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