Diana Ilinskiy, M.D.
Hospitalist Physician · Lake Forest, IL
Diana Ilinskiy, M.D. is a hospitalist physician with a practice address in Lake Forest, Illinois, and NPI 1598991218, issued on Jun 9, 2009. Check the license (Illinois 036126092, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diana Ilinskiy
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036126092 IL
036.126092 IL
Self-reported in NPPES; status is on the state search - Practice location
- 800 N Westmoreland RD Ste 102, Lake Forest, IL 60045
- Phone
- (847) 535-7181
- Enumerated
- Jun 9, 2009
- Record last updated
- Jul 21, 2022
- Fax
- (847) 535-7184
- Medicare enrollment
- Enrolled (PECOS I20100706000174); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 800 N Westmoreland RD Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Chiren, PA-CPhysician Assistant1790423713
- Colleen Kirby, PA-CPhysician Assistant1659072908
- Michael Kolozsvary-Kiss, M.D.Internal Medicine Physician1760829733
- Alex Labby, MDOtolaryngology Physician1639502560
- Keith Leitzen, M.D.Otolaryngology Physician1174754139
- Christina Rosean, AU.D.Audiologist1336518687
Verify Diana Ilinskiy 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 036126092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average hospitalist physician in 2024
163 Medicare Part D claims for 70 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.
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).
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).
Diana Ilinskiy among 1,535 hospitalist physician records in Illinois
Diana Ilinskiy, M.D. is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 26% of them.
- NPI issued2009 · 26% of these records are older, 70% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2002 · median 2013 among the 1,339 with a school on file
- Record last updated2022 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 hospitalist physician records list a practice address in Lake Forest
They are 36 of the 821 NPPES records with a practice address in Lake Forest, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Lake Forest → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Arinola Awomolo, MDLake Forest, IL 600451982049458
- Mohamed Bayoumi, M.D.Lake Forest, IL 600451053758029
- Vikram Devisetty, M.D., M.B.A., M.P.H.Lake Forest, IL 600451013108059
- Javier Gonzalez, MDLake Forest, IL 600451902223209
- Alice Jacob, M.D.Lake Forest, IL 600451235438508
- Kartik KamariaLake Forest, IL 600451295178804
- Nelly Kvirikadze, MDLake Forest, IL 600451932291069
- Yien Li, M.D.Lake Forest, IL 600451861768590
Common questions
What is Diana Ilinskiy, M.D.'s NPI number?
Diana Ilinskiy, M.D.'s National Provider Identifier (NPI) is 1598991218, issued on Jun 9, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Diana Ilinskiy, M.D. located?
The NPPES record lists a practice address at 800 N Westmoreland RD Ste 102, Lake Forest, IL, 60045. Phone: (847) 535-7181. Providers update this record themselves, so call before visiting.
How can I verify Diana Ilinskiy, M.D.'s license?
NPPES lists Illinois license number 036126092, 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 Diana Ilinskiy, M.D. prescribe under Medicare Part D?
In 2024, Diana Ilinskiy, M.D. had 163 Medicare Part D claims for 70 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Diana Ilinskiy, M.D.'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.