Jon Gordon Caldwell, D.O.
Psychiatry Physician · Woodland, CA
Jon Gordon Caldwell, D.O. is a psychiatry physician with a practice address in Woodland, California, and NPI 1902966179, issued on Dec 11, 2006. Check the license (California 20A9612, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jon Gordon Caldwell
- Credential
- D.O.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 20A9612 CA
Self-reported in NPPES; status is on the state search - Practice location
- 137 N. Cottonwood, Woodland, CA 95695
- Phone
- (530) 666-8630
- Enumerated
- Dec 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (530) 666-8633
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 137 N. Cottonwood
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marisa Previde, RN, PHNCase Manager/Care Coordinator1023166634
- Mary Weiss, LVNLicensed Vocational Nurse1023234333
Verify Jon Gordon Caldwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jon Gordon Caldwell among 8,673 psychiatry physician records in California
Jon Gordon Caldwell, D.O. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileNo · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 psychiatry physician records list a practice address in Woodland
They are 15 of the 1,272 NPPES records with a practice address in Woodland, and 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,673 in California → Every provider in Woodland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jonathan Funk, MDWoodland, CA 956951710306659
- Leigh Harrington, M.D., MHSA, MPHWoodland, CA 956951184846834
- Karen Hopp, MDWoodland, CA 956951831180975
- Ailene Isleta-Florento, M.D.Woodland, CA 956951790844637
- Harinder Kaur, M.D.Woodland, CA 956951467617639
- Betzabel Kunkel, MDWoodland, CA 956951720245095
- Amy Ledgerwood, M.D.Woodland, CA 956951679898175
- Abhishek RaiWoodland, CA 956951841547874
Common questions
What is Jon Gordon Caldwell, D.O.'s NPI number?
Jon Gordon Caldwell, D.O.'s National Provider Identifier (NPI) is 1902966179, issued on Dec 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon Gordon Caldwell, D.O. located?
The NPPES record lists a practice address at 137 N. Cottonwood, Woodland, CA, 95695. Phone: (530) 666-8630. Providers update this record themselves, so call before visiting.
How can I verify Jon Gordon Caldwell, D.O.'s license?
NPPES lists California license number 20A9612, 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.