William C. Dixon, M.D.
Adolescent Medicine (Family Medicine) Physician · Rohnert Park, CA
William C. Dixon, M.D. is an adolescent medicine (family medicine) physician with a practice address in Rohnert Park, California, and NPI 1851429377, issued on Feb 28, 2007. Check the license (California G52735, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William C. Dixon
- Credential
- M.D.
- Primary taxonomy
- Adolescent Medicine (Family Medicine) Physician 207QA0000X
- License number
- G52735 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 E Cotati Ave, Rohnert Park, CA 94928
- Phone
- (707) 664-2921
- Enumerated
- Feb 28, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest adolescent medicine (family medicine) physician records → All 16 in California → Look up another NPI →
Also registered at 1801 E Cotati Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hilda ArakelianRegistered Nurse1922954304
- Margot Brown, MD, MSFamily Medicine Physician1689092165
- Jennifer Buescher, MSN FNPFamily Nurse Practitioner1467865550
- Hana Clark, DOFamily Medicine Physician1730479569
- Mitzi Fogg, R.N., M.S.N., F.N.P.Family Nurse Practitioner1881802148
- Dara Hayden, PSY.D.Mental Health Counselor1548455413
Verify William C. Dixon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G52735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average adolescent medicine (family medicine) physician in 2024
78 Medicare Part D claims for 17 beneficiaries, against an average of 3,520 among the 69 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate18 claims
- Losartan Potassium17 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.
William C. Dixon among 16 adolescent medicine (family medicine) physician records in California
William C. Dixon, M.D. is one of 16 adolescent medicine (family medicine) physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 63% of them.
- NPI issued2007 · 63% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2007 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adolescent Medicine (Family Medicine) Physician providers in California
There are 16 adolescent medicine (family medicine) physician records in California.
All 16 in California → Every provider in Rohnert Park → Adolescent Medicine (Family Medicine) Physician nationwide →
The 8 adolescent medicine (family medicine) physician records with the nearest ZIP codes
- Anuradha Brahma, MDSan Jose, CA 951281851321889
- Priyanka KallemPleasanton, CA 945881417114067
- Rajiv Kumra, M.D.Rocklin, CA 957651750581096
- Peggy Ibarra, M.D.Santa Ana, CA 927051245458959
- Rainer Bansuan, M.D.Patton, CA 923691336258037
- Robert Peters, PHD, M.DSan Diego, CA 921231104936574
- Elizabeth Canete, MDRancho Cucamonga, CA 917301346357431
- Melody Avakian, DOEncino, CA 914361386261816
Common questions
What is William C. Dixon, M.D.'s NPI number?
William C. Dixon, M.D.'s National Provider Identifier (NPI) is 1851429377, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William C. Dixon, M.D. located?
The NPPES record lists a practice address at 1801 E Cotati Ave, Rohnert Park, CA, 94928. Phone: (707) 664-2921. Providers update this record themselves, so call before visiting.
How can I verify William C. Dixon, M.D.'s license?
NPPES lists California license number G52735, 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 William C. Dixon, M.D. prescribe under Medicare Part D?
In 2024, William C. Dixon, M.D. had 78 Medicare Part D claims for 17 beneficiaries; the average among adolescent medicine (family medicine) physician prescribers was 3,520. 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.