1. Home
  2. Directory
  3. California
  4. Corona
  5. Internal Medicine
  6. NPI Profile

MICHAEL C LAM MD INC
NPI 1730230251
Internal Medicine in Corona, CA

Active since January 12, 2007
720 MAGNOLIA AVE STE B2, CORONA, CA 92879(714) 454-1757 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Michael C Lam Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL C LAM MD INC (NPI 1730230251) is a healthcare organization registered as an internal medicine in Corona, California and active in the NPI registry since January 2007. The organization lists Michael C Lam, Owner, as its authorized official.

NPPES Registry Identity

NPI1730230251
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL C LAM MD INC
Location Address720 MAGNOLIA AVE STE B2Corona, CA 92879-3119
Mailing Address720 Magnolia Ave Ste B2Corona, CA 92879-3119 · (714) 454-1757
Phone(714) 454-1757
Organization SubpartNo
Authorized OfficialMichael C LamOwner · (714) 544-2370
Enumeration DateJanuary 12, 2007
Last NPPES UpdateNovember 17, 2025
NPPES CertifiedNovember 17, 2025
✔ NPI 1730230251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A62691
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
720 MAGNOLIA AVE STE B2, Corona, CA 92879
Open in Google Maps ↗

Other Identifiers 1

OtherA62691CA · Ca Medical License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. MICHAEL C LAM M.D.
Internal Medicine
720 MAGNOLIA AVE STE B2
CORONA, CA 92879
Riverside County (951) 339-8229

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael C Lam MD Inc's NPI number?

The NPI number for Michael C Lam MD Inc is 1730230251. It was assigned to this organization in the NPPES registry on January 12, 2007.

Where is Michael C Lam MD Inc located?

Michael C Lam MD Inc is located at 720 Magnolia Ave Ste B2, Corona, CA 92879. The listed phone number is (714) 454-1757.

What is Michael C Lam MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Michael C Lam MD Inc was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.