Quick answers
- Where does Nathaniel Mancillas see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Nathaniel Mancillas's specialty?
- Medicare lists Physical Therapist in Private Practice as the primary specialty.
- Does Nathaniel Mancillas accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel Mancillas 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 Mancillas?
- (773) 375-8711, as listed in official Medicare / NPI Registry data.
- What is Nathaniel Mancillas's NPI number?
- 1023550720. 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 Mancillas is enrolled with Medicare (CMS data updated 2026-10-02).
- 1747 E 95th St, Athletico Physical TherapyChicago, IL 60617 (773) 375‑8711
Group practices
Medicare enrollment lists Nathaniel Mancillas as a member of this group (CMS data updated 2026-10-02).
- Athletico Ltd2,200 clinicians in the group
Specialties
Find other clinicians: Physical Therapist in Private Practice, Illinois →
Other physical therapists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Medical school | University Of Michigan Medical School |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023550720 |
| 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