Specialty Directory

Internal Medicine in Lake Forest, IL

Federal CMS data for 24 internal medicine providers practicing in Lake Forest, IL. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.

24
Providers
Median industry payments
$525
24
Internal Medicine Providers
in Lake Forest, IL
$525
Median Industry Payments
per provider (2018–2024)
734
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only Medicare fee-for-service patients (typically 65+). This does not represent total practice volume. Industry payments span multiple years and payment types; disclosure alone establishes neither wrongdoing nor legality. Internal Medicine includes multiple subspecialties with different practice patterns. Learn more →

Internal Medicine Providers

NPPES · Open Payments · Medicare
Provider Medicare Volume Beneficiaries* Top Procedure Industry Payments Payment Type Coverage
ONKKA, PATRICK M.D. 91,616 Iron infusion (Injectafer) $1,320 (2018-2023) Very High
SUN, JULIA M.D. 32,396 Iron infusion (Injectafer) $80,410 (2019-2023) Very High
SHARAIN, KOROSH MD 7,940 EKG interpretation and report $795 (2022-2024) Very High
BAZAVAN, MUGUREL MD 7,497 EKG interpretation and report $1,153 (2018-2024) Very High
CORMIER, ELISABETH MD 1,418 Skin and tissue removal, 20 sq cm or less $370 (2020-2024) Very High
RHO, JASON M.D. 1,397 Office visit, established patient (30-39 min) $1,030 (2018-2024) Very High
SCHAFFEL, GARY M.D. 1,127 Office visit, established patient (20-29 min) $520 (2022-2024) Very High
ANEZ DE GOMEZ, CRISTINA MD 986 Office visit, established patient, complex (40-54 min) $560 (2018-2023) Very High
LASIN, STEVEN MD 982 Office visit, established patient (20-29 min) $601 (2022-2024) Very High
SALAZAR, VIVIAN 952 Office visit, established patient (30-39 min) $199 (2018-2019) Very High
PARK, DAVID MD 904 Hospital follow-up visit, moderate complexity $153 (2018-2024) Very High
ILINSKIY, DIANA M.D. 749 Hospital follow-up visit, moderate complexity $88 (2022-2022) Very High
HUSAIN, FAISAL MD 718 Hospital follow-up visit, moderate complexity $88 (2022-2022) Very High
SOMMERFELD, MICHAEL MD 665 Office visit, established patient (20-29 min) $1,559 (2018-2024) Very High
TARIGOPULA, MADHUSUDHAN M.D. 664 Hospital follow-up visit, moderate complexity $202 (2018-2019) Very High
CONNOLLY, SEAN M.D. 636 Hospital follow-up visit, high complexity $248 (2019-2021) Very High
GARTI, JASON M.D. 621 Office visit, established patient (20-29 min) $25 (2024-2024) Very High
HELLER, MICHAEL MD 589 Sedation by physician, initial 15 minutes $8,245 (2018-2024) Very High
DEVISETTY, VIKRAM M.D., M.B.A., M.P.H. 549 Hospital follow-up visit, moderate complexity $0 High
NGUYEN, JENNIFER MD 449 Hospital follow-up visit, moderate complexity $530 (2018-2024) Very High
CHARNEY, KIRA M.D. 351 Hospital follow-up visit, moderate complexity $88 (2022-2022) Very High
DIMOND, JENNIFER MD 280 Office visit, established patient (20-29 min) $63 (2022-2024) Very High
WROBLEWSKI, IGOR M.D. 54 Initial hospital admission, moderate complexity $2,042 (2019-2024) Very High
SACHDEVA, AMIT M.D. 15 EKG interpretation and report $2,943 (2018-2024) Very High
Note: Internal Medicine encompasses multiple subspecialties with different practice patterns. Differences in payment amounts and procedure volumes may reflect subspecialty focus rather than practice quality. Consider viewing individual profiles for full context.

By Practice Pattern

Internal Medicine encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.

Clinical Cardiology (18)

ProviderMedicare VolumeIndustry Payments
BAZAVAN, MUGUREL 7,497 $1,153
CORMIER, ELISABETH 1,418 $370
RHO, JASON 1,397 $1,030
SCHAFFEL, GARY 1,127 $520
ANEZ DE GOMEZ, CRISTINA 986 $560
LASIN, STEVEN 982 $601
SALAZAR, VIVIAN 952 $199
PARK, DAVID 904 $153
ILINSKIY, DIANA 749 $88
HUSAIN, FAISAL 718 $88

Mixed Practice (5)

ProviderMedicare VolumeIndustry Payments
ONKKA, PATRICK 91,616 $1,320
SUN, JULIA 32,396 $80,410
HELLER, MICHAEL 589 $8,245
WROBLEWSKI, IGOR 54 $2,042
SACHDEVA, AMIT 15 $2,943

Cardiac & Cardiac (1)

ProviderMedicare VolumeIndustry Payments
SHARAIN, KOROSH 7,940 $795
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →