Quick answers
- Does Katie J. Hartman accept Medicare assignment?
- Yes. Medicare's clinician data says Katie J. Hartman 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 Katie J. Hartman see?
- In 2024, CMS data shows 73 Original Medicare patients and 424 services for Katie J. Hartman. This counts Original Medicare only and measures volume, not quality.
- What is Katie J. Hartman's NPI number?
- 1912562109. 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 Katie J. Hartman, 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 | 73 |
|---|---|
| Services billed to Medicare | 424 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Insertion of cage or mesh device to spine bone and disc space during spine fusion (22853)103 services
- Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc (22552)43 services
- Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc (22551)29 services
- Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (63048)27 services
- Placement of stabilizing device to back, 3-6 spine bone segments (22842)21 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%
- Arthritis75%
- Ischemic heart disease37%
- Diabetes30%
- Anxiety30%
Hospitals where Katie J. Hartman works
Medicare's Facility Affiliation Data lists Katie J. Hartman 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.
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140148
- St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
Practice locations
Addresses where Katie J. Hartman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1301 S Koke Mill RdSpringfield, IL 62711 (217) 547‑9100
- 1750 E Lake Shore Dr, Suite 200Decatur, IL 62521 (217) 464‑1460
Group practices
Medicare enrollment lists Katie J. Hartman as a member of this group (CMS data updated October 2, 2026).
- Orthopaedic Center of Il32 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Other clinicians in Orthopaedic Center of Il
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2018 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912562109 |
| 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