HealthCareAtlasUSA

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Doctors / CA

WELBY D NIELSEN, DO

PSYCHIATRY

Medical school: UNIVERSITY OF ARIZONA COLLEGE OF MEDICINE

Graduated: 2005

Offers telehealth

NPI: 1962611947

Practice Locations (1)

MARK DAVID LEVINE MD PROFESSIONAL CORPORATION

1039 MURRAY AVE, SUITE 220

SAN LUIS OBISPO, CA 934052058

8555011004

Source: CMS National Downloadable File, September 2026.

WELBY NIELSEN, DO | HealthCareAtlasUSA