Matthew Lam
- Medicare services, 2020
- 25
- Part D claims, 2021
- 266
- Hospital affiliations
- 1
- Industry payments
- $813
- Insurance carriers
- 5
- Practice address
- 10535 Hospital Way, Mather, CA 95655
- Practice phone
- Call (800) 382-8387
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Matthew 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.
Matthew Lam is a cardiologist in Mather, California
Matthew Lam practices at Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
Matthew Lam's NPI, 1932593563, was assigned on March 20, 2015. Matthew Lam graduated from University of Toledo College of Medicine and Life Sciences in 2015. Matthew Lam's Arizona license number on file is 56715.
- NPI
- 1932593563NPI Registry (opens in a new tab)
- NPI enumeration date
- March 20, 2015
- NPI status
- Active
- Practice phone
- (800) 382-8387
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Matthew Lam practices at Sacramento VA Medical Center in Mather, California
Matthew Lam's primary practice is Sacramento VA Medical Center, at 10535 Hospital Way, Mather, CA 95655 in Sacramento County. The practice phone is (800) 382-8387.
- Sacramento VA Medical Center10535 Hospital Way, Mather, CA 95655 · Sacramento CountyPhone(800) 382-8387
Source: Dmand AI Affiliation Data
Matthew Lam is affiliated with 1 site of care
Matthew Lam's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration. Matthew Lam's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Matthew Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Lam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sacramento VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Matthew Lam is one of 2,375 cardiologists in California
Cardiovascular disease is Matthew Lam's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Matthew Lam is board certified in cardiovascular disease by the American Board of Internal Medicine. Dmand AI has Matthew Lam's licenses on file in 2 states: Arizona and California.
Specialties and state licenses
- Cardiovascular disease, ArizonaPrimary
- California license
Cardiologists near Matthew 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
Matthew Lam billed Medicare for 25 services in 2020
CMS data shows 25 Medicare services from Matthew Lam across 1 procedure code in 2020, all of them office visits. Medicare paid $1,833 for them. Every service was in an office.
Matthew Lam's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 552020: 2555%
Matthew Lam compared with the California median for cardiologists, 2020
- Matthew Lam
- California median
- Medicare services
- 25vs 1,56098% below
- Part D claims
- 266vs 1,41081% below
Medians across 2,237 cardiologists in California with Dmand AI profiles that report each measure.
Matthew Lam's most billed Medicare procedure codes, 2020
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 Matthew Lam and other cardiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Matthew Lam's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Matthew Lam's median patient age at 71, with 6% women.
Matthew 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
- Women6%
- Men94%
Source: Dmand AI Patient Panel Data
Matthew Lam wrote 266 Medicare Part D claims in 2021
In 2021, Matthew Lam wrote 266 Medicare Part D claims. They cover 11 drugs, with $48,112 in total drug cost. In 2020, CMS named 281 claims across 10 drugs.
Matthew Lam's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 2812021: 2665%
Drugs named by CMS: 11 in 2021, 10 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Matthew Lam received $813 in industry payments from 2018 to 2025
CMS Open Payments shows 13 general payments to Matthew Lam from 8 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 91% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $346.
General payments to Matthew Lam by program year, 2018 to 2025
General payments to Matthew Lam by kind, 2018 to 2025
- Food and beverage$73891%
- Education$759%
Companies that paid Matthew Lam the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Matthew Lam graduated from University of Toledo College of Medicine and Life Sciences
Matthew Lam graduated from University of Toledo College of Medicine and Life Sciences in 2015.
- Medical school
- Board certified in cardiovascular disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Matthew Lam accepts plans from 5 insurance carriers
Matthew Lam is in network with 5 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- Blue Cross and Blue Shield of Kansas City
- EMI Health
- HCSC
Plan types Matthew Lam accepts, by number of carriers
- PPO3
- HMO2
- EPO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Matthew 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Matthew 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 Matthew Lam's NPI number?
Matthew Lam's NPI number is 1932593563. It was assigned on March 20, 2015, and it is active in the NPI Registry.
What does Matthew Lam specialize in?
Matthew Lam is a cardiologist in Mather, California. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Matthew Lam practice?
Matthew Lam practices at 10535 Hospital Way, Mather, CA 95655. Matthew Lam's primary practice is Sacramento VA Medical Center in Mather, California, part of Veterans Health Administration.
What is Matthew Lam's office phone number?
The practice phone on file for Matthew Lam is (800) 382-8387.
What is Matthew Lam's medical license number?
Matthew Lam's Arizona license number on file is 56715, one of the licenses on file in 2 states.
Which states has Matthew Lam been licensed in?
Dmand AI has state licenses on file for Matthew Lam in Arizona (2018 to 2023) and California (2016 to 2026).
Which hospitals is Matthew Lam affiliated with?
Matthew Lam practices at Sacramento VA Medical Center in Mather, California.
Does Matthew Lam accept Medicare?
Yes. CMS data shows Matthew Lam billed Medicare for 25 services in 2020.
Is Matthew Lam board certified?
Yes. Matthew Lam is board certified in cardiovascular disease by the American Board of Internal Medicine.
What services does Matthew Lam bill to Medicare?
In 2020, Matthew Lam's most billed Medicare services were office visit, established patient (99214).
Show 5 more questionsShow fewer questions
Where did Matthew Lam go to medical school?
Matthew Lam graduated from University of Toledo College of Medicine and Life Sciences in 2015.
What drugs does Matthew Lam prescribe most?
In 2021 Medicare Part D data, Matthew Lam's most prescribed drugs by claims were Eliquis, Rosuvastatin Calcium and Atorvastatin Calcium.
Has Matthew Lam received payments from drug or device companies?
CMS Open Payments shows $813 in general payments to Matthew Lam from 8 companies from 2018 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Matthew Lam been practicing?
Matthew Lam graduated from medical school in 2015, 11 years ago.
What insurance does Matthew Lam accept?
Matthew Lam is in network with 5 carriers, including United Healthcare, Aetna and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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