Quick answers
- Which hospitals does April M. Lopez work at?
- Medicare's official clinician data lists April M. Lopez at 1 hospital: Ascension St John Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does April M. Lopez see patients?
- Medicare's clinician data lists 2 practice locations, including Haskell, OK and Tulsa, OK. Call before your visit to confirm the address.
- What is April M. Lopez's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does April M. Lopez accept Medicare assignment?
- Yes. Medicare's clinician data says April M. Lopez 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 April M. Lopez?
- (918) 200-9944, as listed in official Medicare / NPI Registry data.
- What is April M. Lopez's NPI number?
- 1043906167. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where April M. Lopez works
Medicare's Facility Affiliation Data lists April M. Lopez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
Practice locations
Addresses where April M. Lopez is enrolled with Medicare (CMS data updated 2026-10-02).
- 1420 N Haskell BlvdHaskell, OK 74436 (918) 200‑9944
- 8131 S Memorial Dr, Suite 100Tulsa, OK 74133 (918) 200‑9944
Group practices
Medicare enrollment lists April M. Lopez as a member of this group (CMS data updated 2026-10-02).
- Memorial Health Group LLC4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — 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) | 1043906167 |
| 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