Quick answers
- Which hospitals does Natalie Siegfried work at?
- Medicare's official clinician data lists Natalie Siegfried at 1 hospital: Norman Regional. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Natalie Siegfried see patients?
- Medicare's clinician data lists 3 practice locations, including Ada, OK, Norman, OK and Moore, OK. Call before your visit to confirm the address.
- What is Natalie Siegfried's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Natalie Siegfried accept Medicare assignment?
- Yes. Medicare's clinician data says Natalie Siegfried 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 Natalie Siegfried?
- (580) 436-3980, as listed in official Medicare / NPI Registry data.
- What is Natalie Siegfried's NPI number?
- 1457960247. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Natalie Siegfried works
Medicare's Facility Affiliation Data lists Natalie Siegfried at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Norman RegionalNorman, OK · Acute Care Hospital · CCN 370008
Practice locations
Addresses where Natalie Siegfried is enrolled with Medicare (CMS data updated 2026-10-02).
- 1921 Stonecipher DrAda, OK 74820 (580) 436‑3980
- 3300 Healthplex PkwyNorman, OK 73072 (405) 515‑1000
- 700 S Telephone Rd, Norman Regional MooreMoore, OK 73160 (405) 793‑9355
Group practices
Medicare enrollment lists Natalie Siegfried as a member of these groups (CMS data updated 2026-10-02).
- Chickasaw Nation Division of Health Chickasaw Nation Medical Center240 clinicians in the group
- Norman Regional Hospital Authority27 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Ada
Clinicians with the same Medicare primary specialty in Ada, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457960247 |
| 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