Quick answers
- Does Jacob A. Rittinghaus accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob A. Rittinghaus 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 Jacob A. Rittinghaus see?
- In 2024, CMS data shows 123 Original Medicare patients and 1,563 services for Jacob A. Rittinghaus. This counts Original Medicare only and measures volume, not quality.
- What is Jacob A. Rittinghaus's NPI number?
- 1689370504. 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 Jacob A. Rittinghaus, 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 | 123 |
|---|---|
| Services billed to Medicare | 1,563 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, dexamethasone sodium phosphate, 1 mg (J1100)142 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)125 services
- Insertion of needle into vein for collection of blood sample (36415)120 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)117 services
- Blood test, comprehensive group of blood chemicals (80053)108 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%
- Arthritis49%
- Diabetes34%
- Ischemic heart disease30%
- Depression24%
Hospitals where Jacob A. Rittinghaus works
Medicare's Facility Affiliation Data lists Jacob A. Rittinghaus 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.
- Leconte Medical CenterSevierville, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440081
Practice locations
Addresses where Jacob A. Rittinghaus is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1225 E Weisgarber Rd, Suite 200Knoxville, TN 37849 (865) 938‑3627
- 1275 Dick Lonas RdKnoxville, TN 37909
- 1275 Dick Lonas Rd, Unit 101Knoxville, TN 37909
- 201 E Emory RdPowell, TN 37849 (865) 938‑3627
- 641 Middle Creek RdSevierville, TN 37862 (865) 428‑0583
Group practices
Medicare enrollment lists Jacob A. Rittinghaus as a member of this group (CMS data updated October 2, 2026).
- Summit Medical Group, PLLC652 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Summit Medical Group, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689370504 |
| 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