Quick answers
- Which hospitals does Keith L. Obstein work at?
- Medicare's official clinician data lists Keith L. Obstein at 2 hospitals: Vanderbilt Clarksville Hospital and Vanderbilt University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Keith L. Obstein see patients?
- Medicare's clinician data lists 3 practice locations, including Nashville, TN and Clarksville, TN. Call before your visit to confirm the address.
- What is Keith L. Obstein's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Keith L. Obstein accept Medicare assignment?
- Yes. Medicare's clinician data says Keith L. Obstein 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 Keith L. Obstein?
- (615) 322-5000, as listed in official Medicare / NPI Registry data.
- What is Keith L. Obstein's NPI number?
- 1528122595. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Keith L. Obstein works
Medicare's Facility Affiliation Data lists Keith L. Obstein at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Vanderbilt Clarksville HospitalClarksville, TN · Acute Care Hospital · CCN 440035
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospital · CCN 440039
Practice locations
Addresses where Keith L. Obstein is enrolled with Medicare (CMS data updated 2026-10-02).
- 1301 Medical Ctr DrNashville, TN 37232 (615) 322‑5000
- 651 Dunlop Ln, Suite 206Clarksville, TN 37040 (615) 343‑5700
- 719 Thompson LnNashville, TN 37204 (615) 322‑3000
Group practices
Medicare enrollment lists Keith L. Obstein as a member of this group (CMS data updated 2026-10-02).
- Vanderbilt University Medical Center3,567 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Nashville
Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528122595 |
| 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