Miss Donald Mills Matheson, MD - Medicare Family Practice in Willits, CA

Miss Donald Mills Matheson, MD is a medicare enrolled "Family Medicine" physician in Willits, California. He went to Stanford University School Of Medicine and graduated in 1972 and has 52 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice John R Glyer D Mills Matheson And Margaret Arner Mds Ptr and his current practice location is 1245 S Main St, Willits, California. You can reach out to his office (for appointments etc.) via phone at (707) 459-6861.

Miss Donald Mills Matheson is licensed to practice in California (license number G25745) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1629060900.

Contact Information

Miss Donald Mills Matheson, MD
1245 S Main St,
Willits, CA 95490-4305
(707) 459-6861
(707) 459-3057

Map and Direction




Physician's Profile

Full NameMiss Donald Mills Matheson
GenderMale
SpecialityFamily Practice
Experience52 Years
Location1245 S Main St, Willits, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Miss Donald Mills Matheson attended and graduated from Stanford University School Of Medicine in 1972
  NPI Data:
  • NPI Number: 1629060900
  • Provider Enumeration Date: 08/22/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1052509718
  • Enrollment ID: I20110107000304

Medical Identifiers

Medical identifiers for Miss Donald Mills Matheson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629060900NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G25745 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
John R Glyer D Mills Matheson And Margaret Arner Mds Ptr05474582006

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Miss Donald Mills Matheson allows following entities to bill medicare on his behalf.
Entity NameJohn R Glyer D Mills Matheson & Margaret Arner Mds Ptr
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568525400
PECOS PAC ID: 0547458200
Enrollment ID: O20101221001117

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Miss Donald Mills Matheson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Miss Donald Mills Matheson, MD
1245 S Main St,
Willits, CA 95490-4305

Ph: (707) 459-6861
Miss Donald Mills Matheson, MD
1245 S Main St,
Willits, CA 95490-4305

Ph: (707) 459-6861

Reviews and Comments


Family Medicine Doctors in Willits, CA

Angus Duncan Matheson, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1245 S Main St, Willits, CA 95490
Phone: 707-459-6861    Fax: 707-459-3057
Margaret Lucy Arner, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 45 Hazel St, Willits, CA 95490
Phone: 707-456-9600    Fax: 707-456-9587
Dr. Elizabeth Joan Whipkey-olson, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1245 S Main St, Willits, CA 95490
Phone: 707-459-6861    Fax: 707-459-3057
John Richard Glyer, M.D,
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3 Marcela Dr, Willits, CA 95490
Phone: 707-459-6115    Fax: 707-459-9314
Monte Ira Lieberfarb, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1245 S Main St, Willits, CA 95490
Phone: 707-459-6861    Fax: 707-459-3057

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.