Organization
LONGHORN PARTNERS LLC
Active
Organization subpart
No
Provider details
NPI number
Authorized official
MICHAEL BRUCE MACQUARRIE MD (MEDICAL DIRECTOR)
(530) 386-3265
Entity
Organization
Contact information
Practice address
1500 LONGHORN LN, PETALUMA, CA 94952-9525
(925) 595-0871
Mailing address
1500 LONGHORN LN, PETALUMA, CA 94952-9525
(925) 595-0871
Taxonomy
Speciality
Code
Description
License number
State
207RA0401X
Addiction Medicine (Internal Medicine) Physician
Primary
—
—
324500000X
Substance Abuse Rehabilitation Facility
Primary
—
—
Other
Enumeration date
11/08/2025
Last updated
04/11/2026
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