Quick answers
- Which hospitals does Lee Ratner work at?
- Medicare's official clinician data lists Lee Ratner at 1 hospital: Barnes Jewish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lee Ratner see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO. Call before your visit to confirm the address.
- What is Lee Ratner's specialty?
- Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
- Does Lee Ratner accept Medicare assignment?
- Yes. Medicare's clinician data says Lee Ratner 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 Lee Ratner offer telehealth?
- Medicare's clinician data says Lee Ratner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lee Ratner?
- (314) 747-3000, as listed in official Medicare / NPI Registry data.
- What is Lee Ratner's NPI number?
- 1952332462. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lee Ratner works
Medicare's Facility Affiliation Data lists Lee Ratner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
Practice locations
Addresses where Lee Ratner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 747‑3000
- 4500 Forest Park AveSaint Louis, MO 63108
Group practices
Medicare enrollment lists Lee Ratner as a member of this group (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
Specialties
- Medical Oncologyprimary
- Internal Medicinealso
Other oncologists in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Yale University School Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1952332462 |
| 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