Longhorn Partners LLC
NPI 1477423093 · Substance Abuse Rehabilitation Facility · Petaluma, CA
Longhorn Partners LLC is a Substance Abuse Rehabilitation Facility organization in Petaluma, CA (NPI 1477423093).
Provider details
- NPI number
- 1477423093
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Michael Macquarrie, Medical Director(530) 386-3265
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-11-08
- Last updated
- 2026-04-11
- Certified
- 2026-04-11
Frequently asked questions
- What is Longhorn Partners LLC's NPI number?
- Longhorn Partners LLC's National Provider Identifier (NPI) is 1477423093, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Longhorn Partners LLC?
- Longhorn Partners LLC is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is Longhorn Partners LLC located?
- Longhorn Partners LLC's practice location on file with NPPES is 1500 Longhorn Ln, Petaluma, CA 94952-9525.
- What is Longhorn Partners LLC's phone number?
- The practice phone number listed in the NPPES registry for Longhorn Partners LLC is (925) 595-0871.
- Who is the authorized official for Longhorn Partners LLC?
- The authorized official listed on Longhorn Partners LLC's NPPES record is Michael Macquarrie, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Longhorn Partners LLC's NPI active?
- Yes — Longhorn Partners LLC's NPI (1477423093) is active in the NPPES registry as of the last update on 2026-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.