Elisabeth K. Cormier, MD
Internal Medicine Physician · Lake Forest, IL
Elisabeth K. Cormier, MD is an internal medicine physician with a practice address in Lake Forest, Illinois, and NPI 1891781241, issued on Sep 21, 2005. Check the license (Illinois 036076935, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Elisabeth K. Cormier
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036076935 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Westmoreland RD, Lake Forest, IL 60045
- Phone
- (847) 998-0862
- Enumerated
- Sep 21, 2005
- Record last updated
- Jul 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 036-076-935 IL
- Medicare enrollment
- Enrolled (PECOS I20150828000890); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1000 N Westmoreland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohammed Alzoubaidi, MBBS,MPHPulmonary Disease Physician1184880031
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Verify Elisabeth K. Cormier 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 036076935Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
329 Medicare Part D claims for 104 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Pentoxifylline158 claims
- Cephalexin28 claims
- Triamcinolone Acetonide25 claims
- Nystop18 claims
- Doxycycline Hyclate14 claims
- Nystatin12 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $248.37
5 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. 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
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elisabeth K. Cormier among 7,238 internal medicine physician records in Illinois
Elisabeth K. Cormier, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1986 · median 2003 among the 3,580 with a school on file
- Record last updated2019 · 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
- Jason Garti, M.D.Lake Forest, IL 600451003890500
- Sam Hull, MDLake Forest, IL 600451053319277
- Steven Lasin, MDLake Forest, IL 600451477574945
- 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 Elisabeth K. Cormier, MD's NPI number?
Elisabeth K. Cormier, MD's National Provider Identifier (NPI) is 1891781241, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Elisabeth K. Cormier, MD located?
The NPPES record lists a practice address at 1000 N Westmoreland RD, Lake Forest, IL, 60045. Phone: (847) 998-0862. Providers update this record themselves, so call before visiting.
How can I verify Elisabeth K. Cormier, MD's license?
NPPES lists Illinois license number 036076935, 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 Elisabeth K. Cormier, MD prescribe under Medicare Part D?
In 2024, Elisabeth K. Cormier, MD had 329 Medicare Part D claims for 104 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Elisabeth K. Cormier, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.