Orest Horodysky, MD
NPI 1689749475 · Internal Medicine Physician · Mokena, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Orest Horodysky, MD is a Internal Medicine Physician provider in Mokena, IL (NPI 1689749475).
Provider details
- NPI number
- 1689749475
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036055839 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
542 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $94 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 108 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $129 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 81 | $8 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 65 | $19 |
| Hemoglobin A1c Level83036 | 29 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 56 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 278 | 81 |
| Levothyroxine Sodium | 176 | 53 |
| Lisinopril | 163 | 51 |
| Metformin Hcl | 140 | 49 |
| Hydrochlorothiazide | 90 | 28 |
| Alprazolam | 89 | 18 |
| Amlodipine Besylate | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$490 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2022-03-01
- Certified
- 2022-03-01
Frequently asked questions
- What is Orest Horodysky's NPI number?
- Orest Horodysky's National Provider Identifier (NPI) is 1689749475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Orest Horodysky's specialty?
- Orest Horodysky is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Orest Horodysky located?
- Orest Horodysky's practice location on file with NPPES is 21205 Owens Rd Ste 3, Mokena, IL 60448-2023.
- What is Orest Horodysky's phone number?
- The practice phone number listed in the NPPES registry for Orest Horodysky is (815) 469-2123.
- Does Orest Horodysky accept Medicare?
- Orest Horodysky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Orest Horodysky's NPI active?
- Yes — Orest Horodysky's NPI (1689749475) is active in the NPPES registry as of the last update on 2022-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.