Christopher Mills, MD
Obstetrics & Gynecology Physician · Sonora, CA
Christopher Mills, MD is an obstetrics & gynecology physician with a practice address in Sonora, California, and NPI 1992897292, issued on Sep 28, 2006. Check the license (California A24522, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christopher Mills
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A24522 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20044 Cedar RD N, Sonora, CA 95370
- Phone
- (209) 536-3750
- Enumerated
- Sep 28, 2006
- Record last updated
- May 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (209) 532-9811
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 20044 Cedar RD N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Claudia Smith, NPNurse Practitioner1780734632
- Steven Smith, M.D.Family Medicine Physician1851328298
Verify Christopher Mills in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A24522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
28 Medicare Part D claims, against an average of 165 among the 28,733 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.
Christopher Mills among 5,088 obstetrics & gynecology physician records in California
Christopher Mills, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2008 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Sonora → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Chrystal Bradley, M.D.Sonora, CA 953701366886392
- Lawrence Brunel, M.D. F.A.C.O.G.Sonora, CA 953701154351484
- Alexa Calfee, MD MPHSonora, CA 953701508108978
- Cicely Chen, M.D.Sonora, CA 953701043625916
- Christopher Jones, M.D.Sonora, CA 953701649594417
- Matthew Maynard, D.O.Sonora, CA 953701861617417
- Lawrence Podolsky, M.D.Riverbank, CA 953671356360184
- Susan Podolsky, M.DRiverbank, CA 953671013974815
Common questions
What is Christopher Mills, MD's NPI number?
Christopher Mills, MD's National Provider Identifier (NPI) is 1992897292, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Mills, MD located?
The NPPES record lists a practice address at 20044 Cedar RD N, Sonora, CA, 95370. Phone: (209) 536-3750. Providers update this record themselves, so call before visiting.
How can I verify Christopher Mills, MD's license?
NPPES lists California license number A24522, 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 Christopher Mills, MD prescribe under Medicare Part D?
In 2024, Christopher Mills, MD had 28 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.