Quick answers
- Which hospitals does Diane Lum work at?
- Medicare's official clinician data lists Diane Lum at 5 hospitals: Baptist Memorial Hospital, Methodist Healthcare - Olive Branch Hospital, Methodist Hospitals of Memphis, Saint Francis Bartlett Medical Center and St Francis Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diane Lum see patients?
- Medicare's clinician data lists 1 practice location in Memphis, TN. Call before your visit to confirm the address.
- What is Diane Lum's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Diane Lum accept Medicare assignment?
- Yes. Medicare's clinician data says Diane Lum 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 Diane Lum?
- (901) 761-2100, as listed in official Medicare / NPI Registry data.
- What is Diane Lum's NPI number?
- 1821077975. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diane Lum works
Medicare's Facility Affiliation Data lists Diane Lum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baptist Memorial HospitalMemphis, TN · Acute Care Hospital · CCN 440048
- Methodist Healthcare - Olive Branch HospitalOlive Branch, MS · Acute Care Hospital · CCN 250167
- Methodist Hospitals of MemphisMemphis, TN · Acute Care Hospital · CCN 440049
- Saint Francis Bartlett Medical CenterBartlett, TN · Acute Care Hospital · CCN 440228
- St Francis HospitalMemphis, TN · Acute Care Hospital · CCN 440183
Practice locations
Addresses where Diane Lum is enrolled with Medicare (CMS data updated 2026-10-02).
- 6005 Park Ave, Suite 200Memphis, TN 38119 (901) 761‑2100
Group practices
Medicare enrollment lists Diane Lum as a member of this group (CMS data updated 2026-10-02).
- Saint Francis Physician Network, LLC70 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Memphis
Clinicians with the same Medicare primary specialty in Memphis, TN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arkansas College Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821077975 |
| 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