NPPES file of Aug 9, 2026

Orest Rostyslaw Horodysky, MD

Internal Medicine Physician · Mokena, IL

Orest Rostyslaw Horodysky, MD is an internal medicine physician with a practice address in Mokena, Illinois, and NPI 1689749475, issued on Nov 21, 2006. Check the license (Illinois 036055839, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689749475
Name
Orest Rostyslaw Horodysky
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036055839 IL
Self-reported in NPPES; status is on the state search
Practice location
21205 Owens RD Ste 3, Mokena, IL 60448
Phone
(815) 469-2123
Enumerated
Nov 21, 2006
Record last updated
Mar 1, 2022
Fax
(815) 469-2149
Medicaid ID
036055839 IL
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 21205 Owens RD Ste 3

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

  1. Steven Antonini, MDPediatrics Physician1114004652
  2. Michael Demaertelaere, DOFamily Medicine Physician1982779237
  3. Aileen Donausky, MDPediatrics Physician1356416143
  4. Jennifer Johnson, NP-CFamily Nurse Practitioner1346792397
  5. Julie Limon, MDFamily Medicine Physician1770635989
  6. Theresa Sawyer, FNP-BCNurse Practitioner1376178889

Verify Orest Rostyslaw Horodysky 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 036055839
    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

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6% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,976 Medicare Part D claims for 337 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 134 claims were for opioids.

  1. Orest Horodysky2,976
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium278 claims
  2. Levothyroxine Sodium176 claims
  3. Lisinopril163 claims
  4. Metformin Hcl140 claims
  5. Hydrochlorothiazide90 claims
  6. Alprazolam89 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.

Industry payments in 2024: $490.42

18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Orest Horodysky$490.42
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

6 internal medicine physician records list a practice address in Mokena

They are 6 of the 523 NPPES records with a practice address in Mokena, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Orest Rostyslaw Horodysky, MD's NPI number?

Orest Rostyslaw Horodysky, MD's National Provider Identifier (NPI) is 1689749475, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Orest Rostyslaw Horodysky, MD located?

The NPPES record lists a practice address at 21205 Owens RD Ste 3, Mokena, IL, 60448. Phone: (815) 469-2123. Providers update this record themselves, so call before visiting.

How can I verify Orest Rostyslaw Horodysky, MD's license?

NPPES lists Illinois license number 036055839, 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 Orest Rostyslaw Horodysky, MD prescribe under Medicare Part D?

In 2024, Orest Rostyslaw Horodysky, MD had 2,976 Medicare Part D claims for 337 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.