Quick answers
- Which hospitals does Patrick M. Garrison Jr. work at?
- Medicare's official clinician data lists Patrick M. Garrison Jr. at 2 hospitals: Mercy Hospital Oklahoma City, Inc and O U Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Patrick M. Garrison Jr. see patients?
- Medicare's clinician data lists 2 practice locations, including Oklahoma City, OK. Call before your visit to confirm the address.
- What is Patrick M. Garrison Jr.'s specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does Patrick M. Garrison Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Patrick M. Garrison Jr. 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.
- Does Patrick M. Garrison Jr. offer telehealth?
- Medicare's clinician data says Patrick M. Garrison Jr. offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Patrick M. Garrison Jr.?
- (405) 341-7009, as listed in official Medicare / NPI Registry data.
- What is Patrick M. Garrison Jr.'s NPI number?
- 1598806663. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Patrick M. Garrison Jr. works
Medicare's Facility Affiliation Data lists Patrick M. Garrison Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · CCN 370013
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · CCN 370093
Practice locations
Addresses where Patrick M. Garrison Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1919 E Memorial RdOklahoma City, OK 73131 (405) 341‑7009
- 4300 McAuley BlvdOklahoma City, OK 73120 (405) 936‑5455
Group practices
Medicare enrollment lists Patrick M. Garrison Jr. as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Oklahoma Communities649 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598806663 |
| 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