Listed in latest imported file
6
About HHS-OIG exclusions in San Quentin, California
The records on this page are individuals and entities with a San Quentin, California
address that the U.S. Department of Health and Human Services, Office of Inspector General (HHS-OIG) has
excluded from participation in Medicare, Medicaid, and other federally funded health care programs. The
HHS-OIG LEIE file imported on October 4, 2026 lists 6
records in San Quentin — 6
individuals and 0
entities. While a party is excluded, federal health care
programs will not pay for items or services they furnish, order, or prescribe.
This page summarizes the public LEIE dataset only and is not an official government record.
Always verify a person or entity's identity and current exclusion status directly with HHS-OIG before
making employment, contracting, credentialing, billing, or compliance decisions.
Top exclusion types in San Quentin
The most common statutory bases for exclusion in San Quentin, California are
conviction relating to patient abuse or neglect (5), license revocation, suspension, or surrender (1).
Provider categories in San Quentin
Common provider categories among excluded San Quentin records include
Skilled Nursing Facility (1), Physician (MD, DO) (1), Medical Practice, MD (1), Individual - Licensed Health Care Service Provider (1), Hospital (1), Employee - Private Sector (1).
Records (6)
Jeffrey Donald Nelson
Individual
Revocation
San Quentin, CA ·
License revocation, suspension, or surrender
· Exclusion date Mar 20, 2022
Edgar Gustavo Villamarin
Individual
Patient Abuse
San Quentin, CA ·
Conviction relating to patient abuse or neglect
· Exclusion date Jan 19, 2022
Efrain Castanon
Individual
Patient Abuse
San Quentin, CA ·
Conviction relating to patient abuse or neglect
· Exclusion date Aug 20, 2019
Joseph Allen Ross
Individual
Patient Abuse
San Quentin, CA ·
Conviction relating to patient abuse or neglect
· Exclusion date Jan 18, 2007
Mario Puma Taina
Individual
Patient Abuse
San Quentin, CA ·
Conviction relating to patient abuse or neglect
· Exclusion date Aug 20, 2000
Dean Andre Freeman
Individual
Patient Abuse
San Quentin, CA ·
Conviction relating to patient abuse or neglect
· Exclusion date May 18, 2000
← All California records
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Verify with HHS-OIG. This page summarizes public HHS-OIG LEIE data. It is not an official
government record. Name matches alone are not sufficient to verify identity. Verify identity and
exclusion status directly with HHS-OIG before relying on this information for employment,
contracting, credentialing, legal, or compliance decisions.