Quick answers
- Which hospitals does Marina N. Garrison work at?
- Medicare's official clinician data lists Marina N. Garrison at 1 hospital: Memorial Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marina N. Garrison see patients?
- Medicare's clinician data lists 1 practice location in Lawton, OK. Call before your visit to confirm the address.
- What is Marina N. Garrison's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marina N. Garrison accept Medicare assignment?
- Yes. Medicare's clinician data says Marina N. Garrison 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 Marina N. Garrison?
- (580) 536-2121, as listed in official Medicare / NPI Registry data.
- What is Marina N. Garrison's NPI number?
- 1902207798. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marina N. Garrison works
Medicare's Facility Affiliation Data lists Marina N. Garrison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Memorial HealthLawton, OK · Acute Care Hospital · CCN 370056
Practice locations
Addresses where Marina N. Garrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 104 NW 31st StLawton, OK 73505 (580) 536‑2121
Group practices
Medicare enrollment lists Marina N. Garrison as a member of this group (CMS data updated 2026-10-02).
- Cancer Centers of Southwest Oklahoma, LLC20 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Lawton
Clinicians with the same Medicare primary specialty in Lawton, OK — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902207798 |
| 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