Quick answers
- Which hospitals does Diahann Marshall work at?
- Medicare's official clinician data lists Diahann Marshall at 3 hospitals: Houston Methodist Cypress Hospital, Memorial Hermann - Texas Medical Center and Memorial Hermann Memorial City Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Diahann Marshall see patients?
- Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
- What is Diahann Marshall's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Diahann Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Diahann Marshall 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 Diahann Marshall offer telehealth?
- Medicare's clinician data says Diahann Marshall offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Diahann Marshall?
- (346) 235-1975, as listed in official Medicare / NPI Registry data.
- What is Diahann Marshall's NPI number?
- 1245694231. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Diahann Marshall works
Medicare's Facility Affiliation Data lists Diahann Marshall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Houston Methodist Cypress HospitalCypress, TX · Acute Care Hospital · CCN 670342
- Memorial Hermann - Texas Medical CenterHouston, TX · Acute Care Hospital · CCN 450068
- Memorial Hermann Memorial City HospitalHouston, TX · Acute Care Hospital · CCN 450610
Practice locations
Addresses where Diahann Marshall is enrolled with Medicare (CMS data updated 2026-10-02).
- 4005 Barker Cypress RdHouston, TX 77084 (346) 235‑1975
Group practices
Medicare enrollment lists Diahann Marshall as a member of this group (CMS data updated 2026-10-02).
- Villagemd of Southeast Texas PA216 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Houston
Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245694231 |
| 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