Quick answers
- Which hospitals does Preston Whitmill work at?
- Medicare's official clinician data lists Preston Whitmill at 3 hospitals: Ascension St John Jane Phillips, Ascension St John Medical Center and St John Owasso. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Preston Whitmill see patients?
- Medicare's clinician data lists 3 practice locations, including Stillwater, OK and Tulsa, OK. Call before your visit to confirm the address.
- What is Preston Whitmill's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Preston Whitmill accept Medicare assignment?
- Yes. Medicare's clinician data says Preston Whitmill 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 Preston Whitmill?
- (405) 372-1480, as listed in official Medicare / NPI Registry data.
- What is Preston Whitmill's NPI number?
- 1326712183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Preston Whitmill works
Medicare's Facility Affiliation Data lists Preston Whitmill 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 Jane PhillipsBartlesville, OK · Acute Care Hospital · CCN 370018
- Ascension St John Medical CenterTulsa, OK · Acute Care Hospital · CCN 370114
- St John OwassoOwasso, OK · Acute Care Hospital · CCN 370227
Practice locations
Addresses where Preston Whitmill is enrolled with Medicare (CMS data updated 2026-10-02).
- 1323 NW 6th AveStillwater, OK 74074 (405) 372‑1480
- 1923 S Utica AveTulsa, OK 74104 (918) 744‑3131
- 6161 S Yale AveTulsa, OK 74136 (918) 494‑2200
Group practices
Medicare enrollment lists Preston Whitmill as a member of these groups (CMS data updated 2026-10-02).
- Ies ER Oklahoma LLC143 clinicians in the group
- South Central Emergency Services, PC55 clinicians in the group
- Emergency Medicine Physicians of Tulsa County LLC18 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Stillwater
Clinicians with the same Medicare primary specialty in Stillwater, OK — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326712183 |
| 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