Quick answers
- Where does John S. Barber see patients?
- Medicare's clinician data lists 2 practice locations, including Durham, NC. Call before your visit to confirm the address.
- What is John S. Barber's specialty?
- Medicare lists Allergy/Immunology as the primary specialty, and also Pulmonary Disease.
- Does John S. Barber accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Barber 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 John S. Barber?
- (919) 684-8111, as listed in official Medicare / NPI Registry data.
- What is John S. Barber's NPI number?
- 1598393134. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John S. Barber is enrolled with Medicare (CMS data updated 2026-10-02).
- 1821 Hillandale Rd, Suite 25aDurham, NC 27705 (919) 684‑8111
- 2301 Erwin RdDurham, NC 27705 (919) 684‑8111
Group practices
Medicare enrollment lists John S. Barber as a member of this group (CMS data updated 2026-10-02).
- Duke Health Integrated Practice, Inc3,185 clinicians in the group
Specialties
- Allergy/Immunologyprimary
- Pulmonary Diseasealso
Other allergist and immunologists in Durham
Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598393134 |
| 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
- 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