Angus Duncan Matheson, M.D.
Family Medicine Physician · Willits, CA
Angus Duncan Matheson, M.D. is a family medicine physician with a practice address in Willits, California, and NPI 1053381939, issued on Jan 24, 2006. Check the license (California A070233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Angus Duncan Matheson
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A070233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 S Main St, Willits, CA 95490
- Phone
- (707) 459-6861
- Enumerated
- Jan 24, 2006
- Record last updated
- Apr 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 459-3057
- Medicare enrollment
- Enrolled (PECOS I20101123000268); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1245 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Miriam Harris, M.D.Family Medicine Physician1033476452
- Jordan Kruse, RN, FNPPrimary Care Nurse Practitioner1154204378
- Monte Lieberfarb, M.D.Family Medicine Physician1922078898
- Donald Matheson, M.D.Family Medicine Physician1629060900
- Lisa McCurley, ARNPFamily Nurse Practitioner1326391624
- Glenn Rogers, M.D.Internal Medicine Physician1821091133
Verify Angus Duncan Matheson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A070233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average family medicine physician in 2024
6,233 Medicare Part D claims for 418 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 196 claims were for opioids.
Most prescribed
- Atorvastatin Calcium298 claims
- Amlodipine Besylate246 claims
- Levothyroxine Sodium212 claims
- Losartan Potassium204 claims
- Tamsulosin Hcl195 claims
- Famotidine179 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- John R Glyer D Mills Matheson And Margaret Arner Mds PtrWillits, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angus Duncan Matheson among 17,133 family medicine physician records in California
Angus Duncan Matheson, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Willits
They are 7 of the 162 NPPES records with a practice address in Willits, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Willits → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Margaret Arner, M.D.Willits, CA 954901063482891
- John Glyer, M.D,Willits, CA 954901801866785
- Miriam Harris, M.D.Willits, CA 954901033476452
- Monte Lieberfarb, M.D.Willits, CA 954901922078898
- Donald Matheson, M.D.Willits, CA 954901629060900
- Elizabeth Whipkey-Olson, D.O.Willits, CA 954901306870605
- Jamila Benn, MDWindsor, CA 954921477564946
- Elizabeth Flower, M.D.Windsor, CA 954921538173141
Common questions
What is Angus Duncan Matheson, M.D.'s NPI number?
Angus Duncan Matheson, M.D.'s National Provider Identifier (NPI) is 1053381939, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Angus Duncan Matheson, M.D. located?
The NPPES record lists a practice address at 1245 S Main St, Willits, CA, 95490. Phone: (707) 459-6861. Providers update this record themselves, so call before visiting.
How can I verify Angus Duncan Matheson, M.D.'s license?
NPPES lists California license number A070233, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Angus Duncan Matheson, M.D. prescribe under Medicare Part D?
In 2024, Angus Duncan Matheson, M.D. had 6,233 Medicare Part D claims for 418 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.