Quick answers
- Where does Nathaniel J. Davidson see patients?
- Medicare's clinician data lists 3 practice locations, including Chicago, IL, Oak Brook, IL and Belvidere, IL. Call before your visit to confirm the address.
- What is Nathaniel J. Davidson's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Nathaniel J. Davidson accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel J. Davidson 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 Nathaniel J. Davidson?
- (877) 632-6637, as listed in official Medicare / NPI Registry data.
- What is Nathaniel J. Davidson's NPI number?
- 1083238489. 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 Nathaniel J. Davidson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1611 W Harrison StChicago, IL 60612 (877) 632‑6637
- 2011 York RdOak Brook, IL 60523 (877) 632‑6637
- 770 Beloit RdBelvidere, IL 61008 (815) 398‑9491
Group practices
Medicare enrollment lists Nathaniel J. Davidson as a member of this group (CMS data updated 2026-10-02).
- Orthomidwest, PLLC547 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083238489 |
| 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