Dr. Korosh Sharain, MD
- Medicare services, 2024
- 9,466
- Medicare patients, 2024
- 4,742
- Part D claims, 2024
- 1,802
- MIPS score, 2024
- 95
- Hospital affiliations
- 5
- Practice address
- 1000 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (847) 234-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Catherine Gratz Griffin Lake Forest Hospital
Lake Forest, Illinois
Find Dr. Sharain'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. Korosh Sharain is a cardiologist in Lake Forest, Illinois
Dr. Sharain practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois.
Dr. Sharain's NPI, 1285075820, was assigned on July 11, 2013. Dr. Sharain graduated from Loyola University of Chicago, Stritch School of Medicine in 2013. Dr. Sharain holds Illinois license 036157280.
- NPI
- 1285075820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173765435
- NPI enumeration date
- July 11, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 234-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Korosh Sharain practices at Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois
Dr. Sharain's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital, at 1000 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (847) 234-5600.
- Northwestern Catherine Gratz Griffin Lake Forest Hospital1000 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(847) 234-5600
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Korosh Sharain is affiliated with 6 sites of care and 1 medical group
Dr. Sharain's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dr. Sharain is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Sharain to 4 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Korosh Sharain's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sharain practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Catherine Gratz Griffin Lake Forest Hospital | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Korosh Sharain is one of 908 cardiologists in Illinois
Cardiovascular disease is Dr. Sharain's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Sharain's licenses on file in 2 states: Illinois and Minnesota.
Specialties and state licenses
- Cardiovascular disease, IllinoisPrimary
- Internal medicine, Minnesota
Cardiologists near Dr. Sharain
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. Korosh Sharain billed Medicare for 9,466 services in 2024
CMS data shows 9,466 Medicare services from Dr. Sharain across 31 procedure codes in 2024, for 4,742 Medicare patients. Medicare paid $259,836 for them.
Dr. Sharain's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6,7152024: 7,88417%
- Office and hospital visits
- 2023: 5252024: 70033%
- Imaging
- 2023: 4592024: 4394%
- Other services
- 2023: 942024: 298217%
- Lab and pathology
- 2023: 1472024: 1451%
Where Dr. Sharain's Medicare services took place, 2024
- In an office2,40825%
- In a facility7,05875%
Dr. Sharain compared with the Illinois median for cardiologists, 2024
- Dr. Sharain
- Illinois median
- Medicare services
- 9,466vs 1,9364.9 times
- Medicare patients
- 4,742vs 1,0234.6 times
- Part D claims
- 1,619vs 1,5028% above
Medians across 906 cardiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Sharain'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.
Need commercial claims for Dr. Sharain?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sharain and other cardiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Korosh Sharain treated 4,742 Medicare patients in 2024, average age 76
CMS counts 4,742 Medicare patients who saw Dr. Sharain in 2024. The largest group is 75 to 84, with 1,766 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sharain's median patient age at 67, with 56% women.
Dr. Sharain's Medicare patients by age, 2024
Dr. Sharain's Medicare patients by sex, 2024
- Women2,54654%
- Men2,19646%
Chronic conditions among Dr. Sharain's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease46%
- Diabetes34%
- Atrial fibrillation33%
- Chronic kidney disease32%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sharain's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Korosh Sharain wrote 1,802 Medicare Part D claims in 2024
In 2024, Dr. Sharain wrote 1,802 Medicare Part D claims for 242 patients. 84% of them were for generic drugs. CMS names the drug for 1,619 of them, across 28 drugs with 11 or more claims each, at $405,893 in total drug cost. In 2023, CMS named 1,112 claims across 25 drugs.
Dr. Sharain's Part D claims by kind of drug, 2024
- Generic1,512 claims84%
- Brand-name290 claims16%
Dr. Sharain'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: 1,1122024: 1,61946%
Drugs named by CMS: 28 in 2024, 25 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
Dr. Korosh Sharain scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Sharain for performance year 2024, reported through an alternative payment model (APM). Dr. Sharain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sharain as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Sharain's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Korosh Sharain received $1,063 in industry payments from 2017 to 2025
CMS Open Payments shows 15 general payments to Dr. Sharain from 7 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $346.
General payments to Dr. Sharain by program year, 2017 to 2025
Companies that paid Dr. Sharain the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Korosh Sharain graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Sharain graduated from Loyola University of Chicago, Stritch School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Korosh Sharain'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Korosh Sharain
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. Korosh Sharain's NPI number?
Dr. Korosh Sharain's NPI number is 1285075820. It was assigned on July 11, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Korosh Sharain?
Dr. Korosh Sharain is a cardiologist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Korosh Sharain practice?
Dr. Sharain practices at 1000 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Sharain's primary practice is Northwestern Catherine Gratz Griffin Lake Forest Hospital in Lake Forest, Illinois. Dmand AI also links Dr. Sharain to 4 hospitals.
What is Dr. Korosh Sharain's office phone number?
The practice phone on file for Dr. Sharain is (847) 234-5600.
What is Dr. Korosh Sharain's medical license number?
Dr. Sharain holds Illinois license 036157280, one of the licenses on file in 2 states.
Which states has Dr. Korosh Sharain been licensed in?
Dmand AI has state licenses on file for Dr. Sharain in Illinois and Minnesota.
Which hospitals is Dr. Korosh Sharain affiliated with?
Dr. Sharain is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Sharain to 4 more hospitals.
What medical group is Dr. Korosh Sharain part of?
Dr. Sharain is linked to Northwestern Medical Faculty Foundation.
Does Dr. Korosh Sharain accept Medicare?
Yes. CMS data shows Dr. Sharain billed Medicare for 9,466 services in 2024, and Dr. Sharain accepts Medicare assignment.
Does Dr. Korosh Sharain offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sharain as offering telehealth services.
Show 7 more questionsShow fewer questions
What is Dr. Korosh Sharain's MIPS score?
Dr. Sharain's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Korosh Sharain see?
CMS counts 4,742 Medicare patients who saw Dr. Sharain in 2024, with an average age of 76.
What services does Dr. Korosh Sharain bill to Medicare?
In 2024, Dr. Sharain's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93306) and nuclear medicine (78452).
Where did Dr. Korosh Sharain go to medical school?
Dr. Sharain graduated from Loyola University of Chicago, Stritch School of Medicine in 2013.
What drugs does Dr. Korosh Sharain prescribe most?
In 2024 Medicare Part D data, Dr. Sharain's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Losartan Potassium.
Has Dr. Korosh Sharain received payments from drug or device companies?
CMS Open Payments shows $1,063 in general payments to Dr. Sharain from 7 companies from 2017 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Korosh Sharain been practicing?
Dr. Sharain graduated from medical school in 2013, 13 years ago.
Selling to cardiovascular disease practices?
See cardiologists in Illinois by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card