BAECHTEL CREEK MEDICAL CLINIC
NPI 1568525400
Clinic/Center - Rural Health in Willits, CA
About Baechtel Creek Medical Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BAECHTEL CREEK MEDICAL CLINIC (NPI 1568525400) is a healthcare organization registered as a rural health in Willits, California and active in the NPI registry since December 2006. The organization holds a CLIA Microscopy certificate valid through September 29, 2027 and lists Donald Mills Matheson, Managing Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Baechtel Creek Medical Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Baechtel Creek Medical Clinic, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.
Clinicians, nearest first (6)
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 for Provider-Performed Microscopy Procedures (PPMP) 05D0612624
Baechtel Creek Medical Clinic · Willits, CAFrequently 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 John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's NPI number?
The NPI number for John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is 1568525400. It was assigned to this organization in the NPPES registry on December 19, 2006. The provider is doing business as Baechtel Creek Medical Clinic.
Where is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr located?
John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is located at 1245 S Main St, Willits, CA 95490. The listed phone number is (707) 459-6861.
What is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Rural Health, with taxonomy code 261QR1300X.
Is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr enrolled in Medicare?
Yes. John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John R Glyer D Mills Matheson & Margaret Arner Mds Ptr?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to John R Glyer D Mills Matheson & Margaret Arner Mds Ptr. 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 Family Practice (5) and Nurse Practitioner (1). Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does John R Glyer D Mills Matheson & Margaret Arner Mds Ptr hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0612624) is associated with this NPI, valid through September 29, 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 John R Glyer D Mills Matheson & Margaret Arner Mds Ptr was last updated on December 15, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Baechtel Creek Medical Clinic · NPI 1568525400
Rural Health organization in Willits, California. Organization record, active in the CMS NPPES registry since December 19, 2006.
## Identity
- **NPI:** 1568525400 (Entity type: Organization)
- **Enumerated:** December 19, 2006
- **Primary specialty:** Clinic/Center - Rural Health · taxonomy 261QR1300X
- **Legal business name:** John R Glyer D Mills Matheson & Margaret Arner Mds Ptr
- **Organization subpart:** No
- **Authorized official:** Donald Matheson, MANAGING PARTNER
## Practice location
- **Address:** 1245 S MAIN ST, Willits, CA 95490-4305
- **Phone:** (707) 459-6861 · **Fax:** (707) 459-3057
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 6 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (5), Nurse Practitioner (1); 5 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 15, 2010
- **Other identifiers:** Medicare ID-Type Unspecified ZZZ78182Z (CA); Medicare OSCAR/certification 053968 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1568525400) · Data from the CMS NPPES public registry.