Dr. Michael A. Lam, MD
- Medicare services, 2024
- 486
- Medicare patients, 2024
- 332
- Part D claims, 2024
- 565
- Hospital affiliations
- 3
- Industry payments
- $281
- Practice address
- 4500 Memorial Drive, Belleville, IL 62226
- Practice phone
- Call (618) 233-7750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lam's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael A. Lam is a cardiologist in Belleville, Illinois
Dr. Lam practices at Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health.
Dr. Lam's NPI, 1336190883, was assigned on May 12, 2006. Dr. Lam holds North Carolina license 2008-01675.
- NPI
- 1336190883NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062492390
- NPI enumeration date
- May 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 233-7750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael A. Lam practices at Memorial Hospital in Belleville in Belleville, Illinois
Dr. Lam's primary practice is Memorial Hospital in Belleville, at 4500 Memorial Drive, Belleville, IL 62226 in St. Clair County. The practice phone is (618) 233-7750.
- Memorial Hospital in Belleville4500 Memorial Drive, Belleville, IL 62226 · St. Clair CountyPhone(618) 233-7750
Source: Dmand AI Affiliation Data
Dr. Michael A. Lam is affiliated with 4 sites of care and 9 medical groups
Dr. Lam's primary practice is Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health. Dr. Lam is also affiliated with OhioHealth Mansfield Hospital. The medical group on file is BJC Medical Group. Dmand AI also links Dr. Lam to 1 more hospital, 8 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael A. Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hospital in Belleville | Available with a free account |
| +3 more sites and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael A. Lam is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Lam's licenses on file in 4 states: North Carolina, Georgia, Kentucky and South Carolina.
Specialties and state licenses
- Cardiovascular disease, North CarolinaPrimary
- Georgia license
- Kentucky license
- South Carolina license
Cardiologists near Dr. Lam
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Michael A. Lam billed Medicare for 486 services in 2024
CMS data shows 486 Medicare services from Dr. Lam across 4 procedure codes in 2024, for 332 Medicare patients. Medicare paid $37,014 for them. Every service was in an office.
Dr. Lam's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 732024: 353384%
- Tests and treatments
- 2022: 292024: 133359%
Dr. Lam compared with the Illinois median for cardiologists, 2024
- Dr. Lam
- Illinois median
- Medicare services
- 486vs 1,93675% below
- Medicare patients
- 332vs 1,02368% below
- Part D claims
- 400vs 1,50273% below
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Lam's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lam and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael A. Lam treated 332 Medicare patients in 2024, average age 74
CMS counts 332 Medicare patients who saw Dr. Lam in 2024. The largest group is 65 to 74, with 147 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lam's median patient age at 71, with 49% women.
Dr. Lam's Medicare patients by age, 2024
Dr. Lam's Medicare patients by sex, 2024
- Women18857%
- Men14443%
Chronic conditions among Dr. Lam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis57%
- Ischemic heart disease42%
- Diabetes35%
- Atrial fibrillation26%
- Anxiety25%
- Chronic kidney disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael A. Lam wrote 565 Medicare Part D claims in 2024
In 2024, Dr. Lam wrote 565 Medicare Part D claims for 188 patients. 83% of them were for generic drugs. CMS names the drug for 400 of them, across 12 drugs with 11 or more claims each, at $42,714 in total drug cost. In 2023, CMS named 36 claims across 2 drugs.
Dr. Lam's Part D claims by kind of drug, 2024
- Generic467 claims83%
- Brand-name98 claims17%
Dr. Lam's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 362024: 4001011%
Drugs named by CMS: 12 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael A. Lam takes part in Medicare
Dr. Lam accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Michael A. Lam received $281 in industry payments from 2016 to 2024
CMS Open Payments shows 17 general payments to Dr. Lam from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $53.
General payments to Dr. Lam by program year, 2016 to 2024
Companies that paid Dr. Lam the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael A. Lam's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Michael A. Lam
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Michael A. Lam's NPI number?
Dr. Michael A. Lam's NPI number is 1336190883. It was assigned on May 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael A. Lam?
Dr. Michael A. Lam is a cardiologist in Belleville, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Michael A. Lam practice?
Dr. Lam practices at 4500 Memorial Drive, Belleville, IL 62226. Dr. Lam's primary practice is Memorial Hospital in Belleville in Belleville, Illinois, part of BJC Health. Dmand AI also links Dr. Lam to 1 hospital, 8 medical groups and 1 group practice or clinic.
What is Dr. Michael A. Lam's office phone number?
The practice phone on file for Dr. Lam is (618) 233-7750.
What is Dr. Michael A. Lam's medical license number?
Dr. Lam holds North Carolina license 2008-01675, one of the licenses on file in 4 states.
Which states has Dr. Michael A. Lam been licensed in?
Dmand AI has state licenses on file for Dr. Lam in North Carolina, Georgia, Kentucky and South Carolina.
Which hospitals is Dr. Michael A. Lam affiliated with?
Dr. Lam practices at Memorial Hospital in Belleville in Belleville, Illinois. Dr. Lam is also affiliated with OhioHealth Mansfield Hospital. Dmand AI links Dr. Lam to 1 more hospital.
What medical group is Dr. Michael A. Lam part of?
Dr. Lam is linked to BJC Medical Group. Dmand AI links Dr. Lam to 8 more medical groups.
Does Dr. Michael A. Lam accept Medicare?
Yes. CMS data shows Dr. Lam billed Medicare for 486 services in 2024, and Dr. Lam accepts Medicare assignment.
How many Medicare patients does Dr. Michael A. Lam see?
CMS counts 332 Medicare patients who saw Dr. Lam in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Michael A. Lam bill to Medicare?
In 2024, Dr. Lam's most billed Medicare services were office visit, new patient (99204), heart test or procedure (93000) and office visit, established patient (99213).
What drugs does Dr. Michael A. Lam prescribe most?
In 2024 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Eliquis.
Has Dr. Michael A. Lam received payments from drug or device companies?
CMS Open Payments shows $281 in general payments to Dr. Lam from 10 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. Michael A. Lam been practicing?
Dr. Lam graduated from medical school in 1976, 50 years ago.
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