Quick answers
- Where does Jason E. Knuffman see patients?
- Medicare's clinician data lists 1 practice location in Quincy, IL. Call before your visit to confirm the address.
- What is Jason E. Knuffman's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Jason E. Knuffman accept Medicare assignment?
- Yes. Medicare's clinician data says Jason E. Knuffman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Jason E. Knuffman?
- (217) 222-6550, as listed in official Medicare / NPI Registry data.
- What is Jason E. Knuffman's NPI number?
- 1184690109. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jason E. Knuffman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1025 Maine StQuincy, IL 62301 (217) 222‑6550
Group practices
Medicare enrollment lists Jason E. Knuffman as a member of this group (CMS data updated 2026-10-02).
- Quincy Physicians and Surgeons Clinic, PLLC223 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184690109 |
| 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 2026-10-02, retrieved 2026-10-29
- 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