Quick answers
- Does Callista N. Davis-Osuagwu accept Medicare assignment?
- Yes. Medicare's clinician data says Callista N. Davis-Osuagwu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Callista N. Davis-Osuagwu's NPI number?
- 1114428513. 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 Callista N. Davis-Osuagwu is enrolled with Medicare (CMS data updated October 2, 2026).
- 215 Kingwood Executive Dr, Suite 150Kingwood, TX 77339 (346) 291‑6950
- 8515 Fondren Rd, Suite 260 BHouston, TX 77074 (832) 250‑6881
- 8540 Broadway St, Suite 112Pearland, TX 77584 (817) 337‑6604
Group practices
Medicare enrollment lists Callista N. Davis-Osuagwu as a member of these groups (CMS data updated October 2, 2026).
- RRR Hyperbarics 6 LLC7 clinicians in the group
- RRR Hyperbarics 7, LLC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Kingwood
Clinicians with the same Medicare primary specialty in Kingwood, TX — not a recommendation.
Other clinicians in RRR Hyperbarics 6 LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114428513 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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