Charles B. Mosher, MD
General Practice Physician · Mariposa, CA
Charles B. Mosher, MD is a general practice physician with a practice address in Mariposa, California, and NPI 1801950126, issued on Dec 21, 2006. Check the license (California G20790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles B. Mosher
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- G20790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5300 Hwy 49 N, Mariposa, CA 95338
- Phone
- (209) 966-3672
- Enumerated
- Dec 21, 2006
- Record last updated
- Nov 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 966-5548
- Medicaid ID
- 00G207900 CA
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 5300 Hwy 49 N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Ballinger, RN, BSN, PHNPsychiatric/Mental Health Registered Nurse1184358061
- Lacey Breinig, LVNLicensed Vocational Nurse1083299721
- Marti Fazio, PHNRegistered Nurse1245000298
- Colleen McLeanLicensed Vocational Nurse1982443974
Verify Charles B. Mosher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G20790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average general practice physician in 2024
11 Medicare Part D claims, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
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.
Charles B. Mosher among 1,956 general practice physician records in California
Charles B. Mosher, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Mariposa → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Jon Franco, M.D.Merced, CA 953401083822779
- Mohammad Haghdoost, M.D.Manteca, CA 953361710291570
- James Morgan, M.D.Manteca, CA 953361730273855
- Cynthia Lu, DO, MPHMerced, CA 953411891999462
- Marie David, MDMerced, CA 953481831202233
- Kimberly Freeman, M.DJamestown, CA 953271801830070
- Haku Kahoano, M.D.Jamestown, CA 953271073714937
- Jason Comfort, D.O.Hughson, CA 953261891040952
Common questions
What is Charles B. Mosher, MD's NPI number?
Charles B. Mosher, MD's National Provider Identifier (NPI) is 1801950126, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles B. Mosher, MD located?
The NPPES record lists a practice address at 5300 Hwy 49 N, Mariposa, CA, 95338. Phone: (209) 966-3672. Providers update this record themselves, so call before visiting.
How can I verify Charles B. Mosher, MD's license?
NPPES lists California license number G20790, 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 Charles B. Mosher, MD prescribe under Medicare Part D?
In 2024, Charles B. Mosher, MD had 11 Medicare Part D claims; the average among general practice physician prescribers was 3,030. 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.