CARNETT CLINIC, LLC
NPI 1790961167
Family Medicine - Adult Medicine in Sierra Vista, AZ
About Carnett Clinic, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARNETT CLINIC, LLC (NPI 1790961167) is a healthcare organization registered as an adult medicine in Sierra Vista, Arizona and active in the NPI registry since January 2008. The organization holds a CLIA Waiver certificate valid through August 15, 2027 and lists Mark Christian Carnett, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carnett Clinic, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Carnett Clinic, LLC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
Sierra Vista, AZ 85635
Sierra Vista, AZ 85635
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 03D0990189
Carnett Clinic, LLC · Sierra Vista, AZFrequently 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 Carnett Clinic, LLC's NPI number?
The NPI number for Carnett Clinic, LLC is 1790961167. It was assigned to this organization in the NPPES registry on January 16, 2008.
Where is Carnett Clinic, LLC located?
Carnett Clinic, LLC is located at 4990 E Mediterranean Dr Ste A, Sierra Vista, AZ 85635. The listed phone number is (520) 439-5186.
What is Carnett Clinic, LLC's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.
Is Carnett Clinic, LLC enrolled in Medicare?
Yes. Carnett Clinic, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Carnett Clinic, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 3 Medicare specialties reassign their Medicare billing to Carnett Clinic, LLC. 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 Nurse Practitioner (5), Family Practice (1) and General Practice (1). Of these, 3 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Carnett Clinic, LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 03D0990189) is associated with this NPI, valid through August 15, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Carnett Clinic, LLC was last updated on January 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Carnett Clinic, Llc · NPI 1790961167
Adult Medicine organization in Sierra Vista, Arizona. Organization record, active in the CMS NPPES registry since January 16, 2008.
## Identity
- **NPI:** 1790961167 (Entity type: Organization)
- **Enumerated:** January 16, 2008
- **Primary specialty:** Family Medicine - Adult Medicine · taxonomy 207QA0505X
- **Organization subpart:** No
- **Authorized official:** Mark Carnett, PHYSICIAN
## Practice location
- **Address:** 4990 E MEDITERRANEAN DR STE A, Sierra Vista, AZ 85635-2495
- **Phone:** (520) 439-5186 · **Fax:** (520) 439-4466
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Family Practice (1), General Practice (1); 3 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 9, 2024
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1790961167) · Data from the CMS NPPES public registry.