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Active NPI 1033122601 Individual Practitioner Male Practitioner

Dr. Michael C Lam , MD

Internal Medicine • Corona, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Lam, MD is a certified Internal Medicine practicing in Corona, CA. With approximately 31 years of clinical experience since completing medical education in 1995, Dr. Lam delivers high-quality medical care to the local community at 720 MAGNOLIA AVE STE B2.

Dr. Lam maintains professional affiliations with County Of Riverside, Pcg Medical Institute Corp and accepts Medicare assignment.

Frequently performed procedures and clinical services include telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

720 Magnolia Ave Ste B2

Corona, CA 928793119

Telephone 9513398229
Fax 9513398231
Associated Practice Facility / Clinic
🏢 Michael C Lam Md Inc Facility NPI 1730230251

Medicare Profile & Education

Medical School

Other

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Corona, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
31 Yrs +7.2 yrs vs City Avg
City Avg: 23.8 Yrs
State Avg: 26.6 Yrs
Regional Practice Density
55 Specialists

Practicing in Corona, CA (18502 Statewide)

Telehealth Adoption Rate
27.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
35.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Lam (31 Years) 31 Yrs
Corona Specialty Average (23.8 Years) 23.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2020)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99442 Telephone medical discussion with physician, 11-20 minutes
17 15 $122.00 $79.18

Medical Specialties & State Licenses

CMS Verified: 2026-05-12
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CA A62691

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.

Hospital & Practice Group Affiliations

County Of Riverside

2813 S Main St, Corona, CA 928825942

Phone: 9512725445

Pcg Medical Institute Corp

11922 Seacrest Dr, Garden Grove, CA 928401937

Phone: 6576670078

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location May 12, 2026

Registered at 720 MAGNOLIA AVE STE B2, CORONA, CA 928793119 (Tel: 9513398229)

📍
Updated Business Mailing Address May 12, 2026

Registered at 720 MAGNOLIA AVE STE B2, CORONA, CA 928793119 (Tel: 9513398229)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 2499 E LAKESHORE DR, LAKE ELSINORE, CA 925304446 (Tel: 9514714200)

📍
Updated Business Mailing Address July 08, 2007

Registered at PO BOX 7849, RIVERSIDE, CA 925137849 (Tel: 9513585222)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL LAM, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #A62691 in CA)

🟢
Initial NPI Registration & Enumeration August 14, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1033122601
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 14, 2006
Last Update: May 12, 2026
Sole Proprietor: Yes

Mailing Address

720 Magnolia Ave Ste B2

Corona, CA 928793119

Phone: 9513398229

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.