Quick answers
- Which hospitals does Steven Landgarten work at?
- Medicare's official clinician data lists Steven Landgarten at 5 hospitals: Ascension St John Jane Phillips, Hillcrest Hospital Claremore, Hillcrest Hospital Pryor, Hillcrest Hospital South and Hillcrest Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Landgarten see patients?
- Medicare's clinician data lists 1 practice location in Tulsa, OK. Call before your visit to confirm the address.
- What is Steven Landgarten's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
- Does Steven Landgarten accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Landgarten 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 Steven Landgarten?
- (918) 382-2536, as listed in official Medicare / NPI Registry data.
- What is Steven Landgarten's NPI number?
- 1295772580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Landgarten works
Medicare's Facility Affiliation Data lists Steven Landgarten 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
- Hillcrest Hospital ClaremoreClaremore, OK · Acute Care Hospital · CCN 370039
- Hillcrest Hospital PryorPryor, OK · Acute Care Hospital · CCN 370015
- Hillcrest Hospital SouthTulsa, OK · Acute Care Hospital · CCN 370202
- Hillcrest Medical CenterTulsa, OK · Acute Care Hospital · CCN 370001
Practice locations
Addresses where Steven Landgarten is enrolled with Medicare (CMS data updated 2026-10-02).
- 1245 S Utica Ave, Suite 300Tulsa, OK 74104 (918) 382‑2536
Group practices
Medicare enrollment lists Steven Landgarten as a member of this group (CMS data updated 2026-10-02).
- Ahs Oklahoma Physician Group LLC313 clinicians in the group
Specialties
- Internal Medicineprimary
- Endocrinologyalso
Other internal medicine doctors in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1966 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295772580 |
| 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