John R Glyer D Mills Matheson & Margaret Arner Mds Ptr
NPI 1568525400 · Rural Health Clinic/Center · Willits, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is a Rural Health Clinic/Center organization in Willits, CA (NPI 1568525400).
Provider details
- NPI number
- 1568525400
- Entity type
- Organization
- Primary specialty
- Rural Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Donald Matheson, Managing Partner(707) 459-6861
- License
- 053968 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES 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
Other names (DBA / former)
- Doing business as
- Baechtel Creek Medical Clinic
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2010-12-15
Frequently asked questions
- What is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's NPI number?
- John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's National Provider Identifier (NPI) is 1568525400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr?
- John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is classified in the NPPES registry as Rural Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr located?
- John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's practice location on file with NPPES is 1245 S Main St, Willits, CA 95490-4305.
- What is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's phone number?
- The practice phone number listed in the NPPES registry for John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is (707) 459-6861.
- Does John R Glyer D Mills Matheson & Margaret Arner Mds Ptr accept Medicare?
- John R Glyer D Mills Matheson & Margaret Arner Mds Ptr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for John R Glyer D Mills Matheson & Margaret Arner Mds Ptr?
- The authorized official listed on John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's NPPES record is Donald Matheson, Managing Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's NPI active?
- Yes — John R Glyer D Mills Matheson & Margaret Arner Mds Ptr's NPI (1568525400) is active in the NPPES registry as of the last update on 2010-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.