Steven Matthew Lasin, MD
Internal Medicine Physician · Lake Forest, IL
Steven Matthew Lasin, MD is an internal medicine physician with a practice address in Lake Forest, Illinois, and NPI 1477574945, issued on Jul 21, 2006. Check the license (Illinois 036084162, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Steven Matthew Lasin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036084162 IL
Self-reported in NPPES; status is on the state search - Practice location
- 990 S Waukegan RD Ste 200, Lake Forest, IL 60045
- Phone
- (847) 234-8100
- Enumerated
- Jul 21, 2006
- Record last updated
- May 14, 2026
- Fax
- (847) 234-8199
- Medicare enrollment
- Enrolled (PECOS I20050823000794); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1989
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 990 S Waukegan RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Freint, M.D.Otolaryngology Physician1174501514
- Gary Schaffel, M.D.Internal Medicine Physician1336123884
Verify Steven Matthew Lasin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036084162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average internal medicine physician in 2024
6,397 Medicare Part D claims for 273 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 72 claims were for opioids.
Most prescribed
- Atorvastatin Calcium485 claims
- Amlodipine Besylate328 claims
- Metoprolol Succinate258 claims
- Levothyroxine Sodium222 claims
- Eliquis151 claims
- Escitalopram Oxalate150 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $491.55
9 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Forward Focus Medical Care LLCLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Matthew Lasin among 7,238 internal medicine physician records in Illinois
Steven Matthew Lasin, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1989 · median 2003 among the 3,580 with a school on file
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 internal medicine physician records list a practice address in Lake Forest
They are 25 of the 821 NPPES records with a practice address in Lake Forest, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Lake Forest → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Scott Braunlich, M.D.Lake Forest, IL 600451487638904
- Elisabeth Cormier, MDLake Forest, IL 600451891781241
- Jason Garti, M.D.Lake Forest, IL 600451003890500
- Sam Hull, MDLake Forest, IL 600451053319277
- Barry Levin, M.D.Lake Forest, IL 600451043324254
- Han Chung NgLake Forest, IL 600451558476622
- Amar Peruri, MDLake Forest, IL 600451184726499
- Mark Rudberg, MD MPHLake Forest, IL 600451295838647
Common questions
What is Steven Matthew Lasin, MD's NPI number?
Steven Matthew Lasin, MD's National Provider Identifier (NPI) is 1477574945, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Matthew Lasin, MD located?
The NPPES record lists a practice address at 990 S Waukegan RD Ste 200, Lake Forest, IL, 60045. Phone: (847) 234-8100. Providers update this record themselves, so call before visiting.
How can I verify Steven Matthew Lasin, MD's license?
NPPES lists Illinois license number 036084162, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Steven Matthew Lasin, MD prescribe under Medicare Part D?
In 2024, Steven Matthew Lasin, MD had 6,397 Medicare Part D claims for 273 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.