Quick answers
- Does Shirley L. Termolen accept Medicare assignment?
- Yes. Medicare's clinician data says Shirley L. Termolen 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 Shirley L. Termolen see?
- In 2024, CMS data shows 87 Original Medicare patients and 380 services for Shirley L. Termolen. This counts Original Medicare only and measures volume, not quality.
- What is Shirley L. Termolen's NPI number?
- 1952369563. 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 Shirley L. Termolen, 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 | 87 |
|---|---|
| Services billed to Medicare | 380 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)86 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)69 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)64 services
- Automated urinalysis test (81003)49 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 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 cholesterol70%
- High blood pressure47%
- Arthritis43%
- Osteoporosis34%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
- Anxiety22%
Hospitals where Shirley L. Termolen works
Medicare's Facility Affiliation Data lists Shirley L. Termolen 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.
- Northshore University Healthsystem - Evanston HospitalEvanston, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140010
- Northwestern Lake Forest HospitalLake Forest, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140130
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
Practice locations
Addresses where Shirley L. Termolen is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 S Michigan Ave, Suite 1400Chicago, IL 60604 (312) 922‑1290
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ohio State University College Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952369563 |
| 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