Quick answers
- Where does Jonathan M. Klunk see patients?
- Medicare's clinician data lists 4 practice locations, including Alton, IL, Edwardsville, IL and Florissant, MO. Call before your visit to confirm the address.
- What is Jonathan M. Klunk's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Jonathan M. Klunk accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan M. Klunk 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 Jonathan M. Klunk?
- (618) 208-0585, as listed in official Medicare / NPI Registry data.
- What is Jonathan M. Klunk's NPI number?
- 1306546916. 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 Jonathan M. Klunk is enrolled with Medicare (CMS data updated 2026-10-02).
- 1819 B Homer Adams PkwyAlton, IL 62002 (618) 208‑0585
- 2121 S State Route 157Edwardsville, IL 62025 (618) 656‑7774
- 3533 Dunn RdFlorissant, MO 63033 (314) 382‑2100
- 8031 W Florissant Ave CSt Louis, MO 63136 (314) 222‑2071
Group practices
Medicare enrollment lists Jonathan M. Klunk as a member of these groups (CMS data updated 2026-10-02).
- Clarkson Optometry Inc82 clinicians in the group
- Clarkson Optometry Illinois, PC16 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | University Of Missouri St Louis - School Of Optometry |
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306546916 |
| 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