Quick answers
- Which hospitals does Mark A. Titus work at?
- Medicare's official clinician data lists Mark A. Titus at 3 hospitals: Riverside Regional Medical Center, Riverside Walter Reed Hospital and Sentara RMH Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark A. Titus see patients?
- Medicare's clinician data lists 2 practice locations, including Newport News, VA and Harrisonburg, VA. Call before your visit to confirm the address.
- What is Mark A. Titus's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Mark A. Titus accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Titus 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 Mark A. Titus?
- (757) 599-6333, as listed in official Medicare / NPI Registry data.
- What is Mark A. Titus's NPI number?
- 1942204219. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark A. Titus works
Medicare's Facility Affiliation Data lists Mark A. Titus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · CCN 490052
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · CCN 490130
- Sentara RMH Medical CenterHarrisonburg, VA · Acute Care Hospital · CCN 490004
Practice locations
Addresses where Mark A. Titus is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Philip Roth St, Suite 5 ANewport News, VA 23606 (757) 599‑6333
- 1871 Evelyn Byrd AveHarrisonburg, VA 22801 (540) 564‑5800
Group practices
Medicare enrollment lists Mark A. Titus as a member of these groups (CMS data updated 2026-10-02).
- Riverside Physician Services Inc797 clinicians in the group
- RMH Medical Group LLC256 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Newport News
Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942204219 |
| 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