Quick answers
- Which hospitals does Mark Robertson work at?
- Medicare's official clinician data lists Mark Robertson at 4 hospitals: Ascension St John Jane Phillips, Coffeyville Regional Medical Center, Inc, Good Samaritan Regional Medical Center and Samaritan Albany General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Robertson see patients?
- Medicare's clinician data lists 2 practice locations, including Tulsa, OK and Bartlesville, OK. Call before your visit to confirm the address.
- What is Mark Robertson's specialty?
- Medicare lists Otolaryngology as the primary specialty.
- Does Mark Robertson accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Robertson 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 Mark Robertson?
- (918) 331-2294, as listed in official Medicare / NPI Registry data.
- What is Mark Robertson's NPI number?
- 1962457697. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Robertson works
Medicare's Facility Affiliation Data lists Mark Robertson 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
- Coffeyville Regional Medical Center, IncCoffeyville, KS · Critical Access Hospital · CCN 171387
- Good Samaritan Regional Medical CenterCorvallis, OR · Acute Care Hospital · CCN 380014
- Samaritan Albany General HospitalAlbany, OR · Acute Care Hospital · CCN 380022
Practice locations
Addresses where Mark Robertson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1705 E 19th StTulsa, OK 74104
- 3550 E Frank Phillips BlvdBartlesville, OK 74006 (918) 331‑2294
Group practices
Medicare enrollment lists Mark Robertson as a member of this group (CMS data updated 2026-10-02).
- St. John Physicians, Inc.259 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962457697 |
| 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