Quick answers
- Does James R. Hildebrandt accept Medicare assignment?
- Yes. Medicare's clinician data says James R. Hildebrandt 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 James R. Hildebrandt see?
- In 2024, CMS data shows 324 Original Medicare patients and 3,745 services for James R. Hildebrandt. This counts Original Medicare only and measures volume, not quality.
- What is James R. Hildebrandt's NPI number?
- 1386750008. 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 James R. Hildebrandt, 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 | 324 |
|---|---|
| Services billed to Medicare | 3,745 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)705 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)528 services
- Test for allergy using allergenic extract injected into skin (95024)407 services
- Professional service for single injection of allergen (95115)230 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)130 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%
- Arthritis55%
- Ischemic heart disease34%
- Diabetes32%
- Anxiety26%
Hospitals where James R. Hildebrandt works
Medicare's Facility Affiliation Data lists James R. Hildebrandt 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.
- Sarah Bush Lincoln Health CenterMattoon, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140189
- St Anthonys Memorial HospitalEffingham, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140032
Practice locations
Addresses where James R. Hildebrandt is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Health Ctr DrMattoon, IL 61938 (217) 258‑2525
Group practices
Medicare enrollment lists James R. Hildebrandt as a member of this group (CMS data updated October 2, 2026).
- Sarah Bush Lincoln Health Center419 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
Other internal medicine doctors in Mattoon
Clinicians with the same Medicare primary specialty in Mattoon, IL — not a recommendation.
Other clinicians in Sarah Bush Lincoln Health Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386750008 |
| 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