NPPES file of Aug 9, 2026

Korosh Sharain, MD

Cardiovascular Disease Physician · Lake Forest, IL

Korosh Sharain, MD is a cardiovascular disease physician with a practice address in Lake Forest, Illinois, and NPI 1285075820, issued on Jul 11, 2013. Check the license (Illinois 036157280, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285075820
Name
Korosh Sharain
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
036157280 IL
58211 MN
Self-reported in NPPES; status is on the state search
Practice location
1000 N Westmoreland RD # Level1, Lake Forest, IL 60045
Phone
(847) 534-3278
Enumerated
Jul 11, 2013
Record last updated
Sep 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 535-8590
Medicare enrollment
Enrolled (PECOS I20210726001266); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Westmoreland RD # Level1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Anderson, PA-CPhysician Assistant1275236895
  2. Mariam Anis, M.D.Pulmonary Disease Physician1013274349
  3. Natalie Autenzio, APRN, CNPNurse Practitioner1144986571
  4. Amina BashaEndocrinology, Diabetes & Metabolism Physician1588195168
  5. Alyssa Brown, DNP, AGACNP-BCNurse Practitioner1497475594
  6. Madeline Ellis, DNP, AG-ACNP-BCNurse Practitioner1104653997

Verify Korosh Sharain in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036157280
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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41% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

1,802 Medicare Part D claims for 242 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Korosh Sharain1,802
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium185 claims
  2. Metoprolol Succinate154 claims
  3. Losartan Potassium128 claims
  4. Eliquis116 claims
  5. Carvedilol105 claims
  6. Amlodipine Besylate88 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.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $354.63

4 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Korosh Sharain$354.63
  2. Specialty average$3,819.56

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

  1. 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).

Korosh Sharain among 1,073 cardiovascular disease physician records in Illinois

Korosh Sharain, MD is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.

  • NPI issued2013 · 70% of these records are older, 26% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2013 · median 2001 among the 688 with a school on file
  • Record last updated2021 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. John Benge, MDLake Forest, IL 600451285628859
  2. Ian Cohen, M.D.Lake Forest, IL 600451912944133
  3. Eileen Kelly, M.D.Lake Forest, IL 600451720179583
  4. Jay Kleiman, M.D.Lake Forest, IL 600451275722373
  5. John Somberg, MDLake Bluff, IL 600441447358924
  6. Pantila Bateman, M.D.Lake Zurich, IL 600471699940361
  7. Namra ButtLake Zurich, IL 600471861855504
  8. Abdul Khan, M.D.Lake Zurich, IL 600471578501888

Common questions

What is Korosh Sharain, MD's NPI number?

Korosh Sharain, MD's National Provider Identifier (NPI) is 1285075820, issued on Jul 11, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Korosh Sharain, MD located?

The NPPES record lists a practice address at 1000 N Westmoreland RD # Level1, Lake Forest, IL, 60045. Phone: (847) 534-3278. Providers update this record themselves, so call before visiting.

How can I verify Korosh Sharain, MD's license?

NPPES lists Illinois license number 036157280, 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 Korosh Sharain, MD prescribe under Medicare Part D?

In 2024, Korosh Sharain, MD had 1,802 Medicare Part D claims for 242 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Korosh Sharain, 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.