Sean O'Brien, D.O.

Nephrology

GenderMaleNPI1912994500Affiliated sites1

Affiliated Health Centers

Sean O'Brien is affiliated with 1 federally qualified health center location.

Mariposa Community Health Center Administration

825 N Grand Ave, Suite 202, Nogales, AZ 85621-2386

Medicare★ 5.0 Google (1)

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Specialty Care Services

Gastroenterology, nephrology, infectious disease, and more — specialty care co-located at community health centers.

Gastroenterology

Nephrology & kidney care

Infectious disease (HIV/Hep C)

Orthopedic care

Urology

ENT services

Endocrinology

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Confirm current license and practice information on the official CMS NPI registry.

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Nephrology

Providing nephrology services at federally qualified health centers with sliding fee scale options.

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Affiliated Health Center

Mariposa Community Health Center Administration

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Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

Who can be seen here →What a visit costs →What to bring to your first visit →What is an FQHC? →

Sean O'Brien, D.O.

Affiliated Health Centers

Specialty Care Services

Related Clinicians

Other Clinicians at These Health Centers

Other Nephrology Clinicians

Verify on NPI Registry

Nephrology

Affiliated Health Center

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Going to a Community Health Center?