Margaret Lucy Arner, M.D.
Family Medicine Physician · Willits, CA
Margaret Lucy Arner, M.D. is a family medicine physician with a practice address in Willits, California, and NPI 1063482891, issued on Jan 24, 2006. Check the license (California G36801, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret Lucy Arner
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G36801 CA
Self-reported in NPPES; status is on the state search - Practice location
- 45 Hazel St, Willits, CA 95490
- Phone
- (707) 456-9600
- Enumerated
- Jan 24, 2006
- Record last updated
- Feb 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (707) 456-9587
- Entity
- Type 1 · individual
Also registered at 45 Hazel St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joleen Buffington, WHNP-BCObstetrics & Gynecology Nurse Practitioner1699503383
- Larry Sullivan, DDSDentist1003986928
- Huong Tran, DMDDentist1215556766
Verify Margaret Lucy Arner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G36801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7 in Willits → All 17,133 in California → Every provider in Willits →
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- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Margaret Lucy Arner, M.D.'s NPI number?
Margaret Lucy Arner, M.D.'s National Provider Identifier (NPI) is 1063482891, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Lucy Arner, M.D. located?
The NPPES record lists a practice address at 45 Hazel St, Willits, CA, 95490. Phone: (707) 456-9600. Providers update this record themselves, so call before visiting.
How can I verify Margaret Lucy Arner, M.D.'s license?
NPPES lists California license number G36801, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.