Quick answers
- Which hospitals does Mark Branch Iii work at?
- Medicare's official clinician data lists Mark Branch Iii at 1 hospital: Duke Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Branch Iii see patients?
- Medicare's clinician data lists 1 practice location in Durham, NC. Call before your visit to confirm the address.
- What is Mark Branch Iii's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Internal Medicine.
- Does Mark Branch Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Branch Iii 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 Branch Iii?
- (919) 684-8111, as listed in official Medicare / NPI Registry data.
- What is Mark Branch Iii's NPI number?
- 1922182633. 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 Branch Iii works
Medicare's Facility Affiliation Data lists Mark Branch Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Duke Regional HospitalDurham, NC · Acute Care Hospital · CCN 340155
Practice locations
Addresses where Mark Branch Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111
Group practices
Medicare enrollment lists Mark Branch Iii as a member of this group (CMS data updated 2026-10-02).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Internal Medicinealso
Other pulmonologists in Durham
Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922182633 |
| 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