Quick answers
- Does Jessica Oakley accept Medicare assignment?
- Yes. Medicare's clinician data says Jessica Oakley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Jessica Oakley see?
- In 2024, CMS data shows 91 Original Medicare patients and 113 services for Jessica Oakley. This counts Original Medicare only and measures volume, not quality.
- What is Jessica Oakley's NPI number?
- 1194367318. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Jessica Oakley, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 91 |
|---|---|
| Services billed to Medicare | 113 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)32 services
- Emergency department visit with high level of medical decision making (99285)30 services
- Emergency department visit with moderate level of medical decision making (99284)24 services
- Urinalysis, manual test (81002)12 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol68%
- Arthritis62%
- Anxiety46%
- Diabetes38%
- Depression33%
Hospitals where Jessica Oakley works
Medicare's Facility Affiliation Data lists Jessica Oakley at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Herrin HospitalHerrin, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140011
- Memorial Hospital of CarbondaleCarbondale, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140164
Practice locations
Addresses where Jessica Oakley is enrolled with Medicare (CMS data updated October 2, 2026).
- 117 E Clark StHarrisburg, IL 62946 (618) 252‑8625
Group practices
Medicare enrollment lists Jessica Oakley as a member of this group (CMS data updated October 2, 2026).
- Southern Illinois Medical Services NFP334 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Harrisburg
Clinicians with the same Medicare primary specialty in Harrisburg, IL — not a recommendation.
Other clinicians in Southern Illinois Medical Services NFP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194367318 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians