Quick answers
- Which hospitals does Jacob Didion work at?
- Medicare's official clinician data lists Jacob Didion at 5 hospitals: Mercy Hospital Ada, Mercy Hospital Ardmore, Inc, Mercy Hospital Fort Smith, Mercy Hospital Northwest Arkansas and Mercy Hospital Southeast. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jacob Didion see patients?
- Medicare's clinician data lists 2 practice locations, including Chesterfield, MO and Fort Smith, AR. Call before your visit to confirm the address.
- What is Jacob Didion's specialty?
- Medicare lists Neurology as the primary specialty.
- Does Jacob Didion accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob Didion 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 Jacob Didion?
- (636) 237-4200, as listed in official Medicare / NPI Registry data.
- What is Jacob Didion's NPI number?
- 1104275239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jacob Didion works
Medicare's Facility Affiliation Data lists Jacob Didion at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital AdaAda, OK · Acute Care Hospital · CCN 370020
- Mercy Hospital Ardmore, IncArdmore, OK · Acute Care Hospital · CCN 370047
- Mercy Hospital Fort SmithFort Smith, AR · Acute Care Hospital · CCN 040062
- Mercy Hospital Northwest ArkansasRogers, AR · Acute Care Hospital · CCN 040010
- Mercy Hospital SoutheastCape Girardeau, MO · Acute Care Hospital · CCN 260110
Practice locations
Addresses where Jacob Didion is enrolled with Medicare (CMS data updated 2026-10-02).
- 15740 S Outer 40 RdChesterfield, MO 63017 (636) 237‑4200
- 7301 Rogers AveFort Smith, AR 72903 (479) 314‑5175
Group practices
Medicare enrollment lists Jacob Didion as a member of these groups (CMS data updated 2026-10-02).
- Mercy Clinic Fort Smith Communities372 clinicians in the group
- Mercy Aco Clinical Services Inc170 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arkansas College Of Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104275239 |
| 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