Dennis J. Park, DO
NPI 1639220445ActiveIndividual· Internal Medicine· Oakbrook Terrace, IL
Internal Medicine (DO) with Select Rehabilitation, LLC and 1 other group, practicing in Oakbrook Terrace, Illinois. Their prescriptions cost Medicare Part D more than their services did: $416,680 for 7,169 claims, against $82,412 paid for services in 2024. Lists Northwestern Medicine Central Dupage Hospital as a hospital affiliation.
Overview
| NPI | 1639220445 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 16, 2007 |
| Last updated in NPPES | Mar 17, 2021 |
| Certified by provider | Mar 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036.133095 | IL |
| Internal Medicine | 207R00000X | 602 | NE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 315 |
|---|---|
| Services billed | 1,201 across 30 procedure codes |
| Paid by Medicare | $82,412 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,169 · 9,914 30-day fills |
|---|---|
| Patients | 427 |
| Total drug cost | $416,680 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Vpa PCRenton, WA · 178 clinicians
Hospital affiliation
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Other facilities
- Crystal Home Health Care, LLCHome health agency · Des Plaines, IL
- Illinois Home Health Care of NapervilleHome health agency · Naperville, IL
- Resilience Home Health, LLCHome health agency · Aurora, IL
- Lighthouse Hospice Care LLCHospice · Naperville, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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