NPPES file of Aug 9, 2026

James Robert Bixler, M.D.

Family Medicine Physician · Auburn, CA

James Robert Bixler, M.D. is a family medicine physician with a practice address in Auburn, California, and NPI 1326240235, issued on Jun 3, 2007. Check the license (California A100101, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326240235
Name
James Robert Bixler
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A100101 CA
Self-reported in NPPES; status is on the state search
Practice location
3133 Professional Dr, Auburn, CA 95603
Phone
(530) 885-8821
Enumerated
Jun 3, 2007
Record last updated
Aug 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(530) 885-6554
Medicare enrollment
Enrolled (PECOS I20081106000746); accepts Medicare assignment
Medical or professional school
Un Of California, Irvine, College Of Medicine, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3133 Professional Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Valeska Armisen, M.D.Family Medicine Physician1649476243
  2. Thomas Cavanaugh, O.D.Optometrist1942379664
  3. Vincent Licata, M.D.Family Medicine Physician1801946249
  4. Michael Park, PA-CPhysician Assistant1740235977
  5. Lars Sather, PA-CMedical Physician Assistant1487880365
  6. Steven Sobel, M.D.Family Medicine Physician1891787073

Verify James Robert Bixler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A100101
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

73 Medicare Part D claims for 56 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. James Bixler73
  2. Specialty average3,544

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

  1. Sutter Valley Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James Robert Bixler among 17,133 family medicine physician records in California

James Robert Bixler, 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2005 · median 2005 among the 10,652 with a school on file
  • Record last updated2008 · 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).

45 family medicine physician records list a practice address in Auburn

They are 45 of the 1,392 NPPES records with a practice address in Auburn, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Joseph Cerny, MDAuburn, CA 956031740372796
  2. Jennifer Clothier, MDAuburn, CA 956031245333442
  3. Alan Gruenefeldt, MDAuburn, CA 956031780795930
  4. Michael Hooper, M.D.Auburn, CA 956031447236096
  5. Mark Knoble, M.D.Auburn, CA 956031174617799
  6. Francesca Lane, D.O.Auburn, CA 956031104806330
  7. Gerry Lee, MDAuburn, CA 956031740373356
  8. Patrick Ogilvie, MDAuburn, CA 956031821099003

Common questions

What is James Robert Bixler, M.D.'s NPI number?

James Robert Bixler, M.D.'s National Provider Identifier (NPI) is 1326240235, issued on Jun 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Robert Bixler, M.D. located?

The NPPES record lists a practice address at 3133 Professional Dr, Auburn, CA, 95603. Phone: (530) 885-8821. Providers update this record themselves, so call before visiting.

How can I verify James Robert Bixler, M.D.'s license?

NPPES lists California license number A100101, 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 James Robert Bixler, M.D. prescribe under Medicare Part D?

In 2024, James Robert Bixler, M.D. had 73 Medicare Part D claims for 56 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.