Quick answers
- Does Carissa A. Oberhelman accept Medicare assignment?
- Yes. Medicare's clinician data says Carissa A. Oberhelman 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 Carissa A. Oberhelman see?
- In 2024, CMS data shows 225 Original Medicare patients and 1,990 services for Carissa A. Oberhelman. This counts Original Medicare only and measures volume, not quality.
- What is Carissa A. Oberhelman's NPI number?
- 1659965424. 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 Carissa A. Oberhelman, 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 | 225 |
|---|---|
| Services billed to Medicare | 1,990 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 84 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)748 services
- Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)525 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)522 services
- Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes (99342)34 services
- Advance care planning, first 30 minutes (99497)29 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 cholesterol75%
- Alzheimer's disease or dementia71%
- Arthritis63%
- Anxiety62%
- Depression59%
Practice locations
Addresses where Carissa A. Oberhelman is enrolled with Medicare (CMS data updated October 2, 2026).
- 5250 Old Orchard Rd, Suite 300Skokie, IL 60077 (847) 920‑0902
Group practices
Medicare enrollment lists Carissa A. Oberhelman as a member of these groups (CMS data updated October 2, 2026).
- Hansa Medical Groupe PLLC41 clinicians in the group
- NY Long-Term Care Physician Services, PC21 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Skokie
Clinicians with the same Medicare primary specialty in Skokie, IL — not a recommendation.
Other clinicians in Hansa Medical Groupe PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659965424 |
| 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
- 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