SIERRA PSYCHIATRIC SERVICES
NPI 1821042789
Specialist in Livonia, MI
About Sierra Psychiatric Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIERRA PSYCHIATRIC SERVICES (NPI 1821042789) is a healthcare organization registered as a specialist in Livonia, Michigan and active in the NPI registry since May 2006. The organization lists Bryan Sydney Weinstein, Member, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sierra Psychiatric Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to Sierra Psychiatric Services, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 7 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (14)
Bloomfield Hills, MI 48302
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Summit Psychiatric Services, P.L.C.'s NPI number?
The NPI number for Summit Psychiatric Services, P.L.C. is 1821042789. It was assigned to this organization in the NPPES registry on May 22, 2006. The provider is doing business as Sierra Psychiatric Services.
Where is Summit Psychiatric Services, P.L.C. located?
Summit Psychiatric Services, P.L.C. is located at 20010 Farmington Rd, Livonia, MI 48152. The listed phone number is (248) 847-1717.
What is Summit Psychiatric Services, P.L.C.'s specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Summit Psychiatric Services, P.L.C. enrolled in Medicare?
Yes. Summit Psychiatric Services, P.L.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Summit Psychiatric Services, P.L.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 5 Medicare specialties reassign their Medicare billing to Summit Psychiatric Services, P.L.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Psychiatry (5), Nurse Practitioner (4) and Clinical Psychologist (2). Of these, 2 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Summit Psychiatric Services, P.L.C. accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Summit Psychiatric Services, P.L.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Summit Psychiatric Services, P.L.C. was last updated on April 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sierra Psychiatric Services · NPI 1821042789
Specialist organization in Livonia, Michigan. Organization record, active in the CMS NPPES registry since May 22, 2006.
## Identity
- **NPI:** 1821042789 (Entity type: Organization)
- **Enumerated:** May 22, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **Legal business name:** Summit Psychiatric Services, P.l.c.
- **Organization subpart:** No
- **Authorized official:** Bryan Weinstein, MEMBER
## Practice location
- **Address:** 20010 FARMINGTON RD, Livonia, MI 48152-1408
- **Phone:** (248) 847-1717 · **Fax:** (248) 471-1212
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Psychiatry (5), Nurse Practitioner (4), Clinical Psychologist (2); 2 practice at this address and 7 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 23, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1821042789) · Data from the CMS NPPES public registry.