Quick answers
- Which hospitals does Nathan J. Petersen work at?
- Medicare's official clinician data lists Nathan J. Petersen at 1 hospital: Saint Francis Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathan J. Petersen see patients?
- Medicare's clinician data lists 4 practice locations, including Peoria, IL and Pekin, IL. Call before your visit to confirm the address.
- What is Nathan J. Petersen's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Nathan J. Petersen accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan J. Petersen 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 Nathan J. Petersen?
- (309) 671-3173, as listed in official Medicare / NPI Registry data.
- What is Nathan J. Petersen's NPI number?
- 1245525930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathan J. Petersen works
Medicare's Facility Affiliation Data lists Nathan J. Petersen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · CCN 140067
Practice locations
Addresses where Nathan J. Petersen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Illini DrPeoria, IL 61605 (309) 671‑3173
- 1800 N Knoxville AvePeoria, IL 61603 (309) 680‑7600
- 1800 N Knoxville Ave, Suite APeoria, IL 61603 (309) 680‑7600
- 19 Olt AvePekin, IL 61554 (309) 680‑7600
Group practices
Medicare enrollment lists Nathan J. Petersen as a member of these groups (CMS data updated 2026-10-02).
- The Board of Trustees of the University of Illinois1,150 clinicians in the group
- Heartland Community Health Clinic46 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Peoria
Clinicians with the same Medicare primary specialty in Peoria, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245525930 |
| 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 2026-10-02, retrieved 2026-10-29
- 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