John P. Earnest, D.C.
Chiropractor · Tustin, CA
John P. Earnest, D.C. is a chiropractor with a practice address in Tustin, California, and NPI 1629093687, issued on Jul 12, 2006. Check the license (California DC10881, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John P. Earnest
- Credential
- D.C.
- Primary taxonomy
- Chiropractor 111N00000X
- License number
- DC10881 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14742 Plaza Dr, Tustin, CA 92780
- Phone
- (714) 838-1255
- Enumerated
- Jul 12, 2006
- Record last updated
- Jan 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (714) 838-5784
- Medicare enrollment
- Enrolled (PECOS I20090107000351); may accept Medicare assignment
- Medical or professional school
- Palmer College Chiropractic - Davenport, 1972
- Entity
- Type 1 · individual
8 nearest chiropractor records → All 11,498 in California → Look up another NPI →
Also registered at 14742 Plaza Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Mykkanen, D.C.Chiropractor1679598015
Verify John P. Earnest in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DC10881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- DA Molthen JP Earnest Doctors OF Chiropractic ApcTustin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Earnest among 11,498 chiropractor records in California
John P. Earnest, D.C. is one of 11,498 chiropractor records with a practice address in California. 7% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated1972 · median 1999 among the 2,907 with a school on file
- Record last updated2008 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 111N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
88 chiropractor records list a practice address in Tustin
They are 88 of the 2,221 NPPES records with a practice address in Tustin, and 11,498 chiropractor records in California.
All 11,498 in California → Every provider in Tustin → Chiropractor nationwide →
The 8 chiropractor records with the nearest ZIP codes
- Anthony Acierno, D.C.Tustin, CA 927801679546345
- Dana Ballerini, D.C.Tustin, CA 927801346298478
- Gregory Bates, D.C.Tustin, CA 927801528037066
- Bonnie Berger, D.C.Tustin, CA 927801336171735
- Paul Brock, D.C.Tustin, CA 927801437242328
- Amy Friedman, D.C.Tustin, CA 927801265497762
- Mark Johnson, D.C.Tustin, CA 927801023024023
- Keith Kausler, D.C.Tustin, CA 927801760413405
Common questions
What is John P. Earnest, D.C.'s NPI number?
John P. Earnest, D.C.'s National Provider Identifier (NPI) is 1629093687, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Earnest, D.C. located?
The NPPES record lists a practice address at 14742 Plaza Dr, Tustin, CA, 92780. Phone: (714) 838-1255. Providers update this record themselves, so call before visiting.
How can I verify John P. Earnest, D.C.'s license?
NPPES lists California license number DC10881, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.