Quick answers
- Where does Nathan D. Barba see patients?
- Medicare's clinician data lists 2 practice locations, including Campbell, CA and Rancho Cucamonga, CA. Call before your visit to confirm the address.
- What is Nathan D. Barba's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Nathan D. Barba accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan D. Barba 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 Nathan D. Barba?
- (909) 442-5925, as listed in official Medicare / NPI Registry data.
- What is Nathan D. Barba's NPI number?
- 1811863061. 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 Nathan D. Barba is enrolled with Medicare (CMS data updated 2026-10-02).
- 3001 Winchester Blvd, Suite 9Campbell, CA 95008
- 9220 Haven Ave, Suite 100Rancho Cucamonga, CA 91730 (909) 442‑5925
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Campbell
Clinicians with the same Medicare primary specialty in Campbell, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811863061 |
| 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