JOHN P. EARNEST D.C.
NPI 1629093687
Chiropractor in Tustin, CA
About John P. Earnest D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN P. EARNEST D.C. (NPI 1629093687) is an individual chiropractor in Tustin, California, licensed in California (DC10881) and active in the NPI registry since July 2006. He is a graduate of Palmer College Chiropractic - Davenport (1972).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John P. Earnest D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Earnest reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUSTIN, CA 92780
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Earnest's NPI number?
The NPI number for John Earnest is 1629093687. It was assigned to this individual provider in the NPPES registry on July 12, 2006.
Where is John Earnest located?
John Earnest practices at 14742 Plaza Dr Ste 101, Tustin, CA 92780. The listed phone number is (714) 838-1255.
What is John Earnest's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Earnest enrolled in Medicare?
Yes. John Earnest is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Earnest's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Earnest reassigns Medicare benefits to Da Molthen Jp Earnest Doctors Of Chiropractic Apc (Tustin, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Earnest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Earnest was last updated on January 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John P. Earnest, D.C. · NPI 1629093687
Chiropractor provider in Tustin, California. Individual provider, active in the CMS NPPES registry since July 12, 2006.
## Identity
- **NPI:** 1629093687 (Entity type: Individual)
- **Enumerated:** July 12, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** DC10881 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 14742 PLAZA DR, STE 101, Tustin, CA 92780-8010
- **Phone:** (714) 838-1255 · **Fax:** (714) 838-5784
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Da Molthen Jp Earnest Doctors Of Chiropractic Apc (NPI 1689691511, Tustin, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Palmer College Chiropractic - Davenport, class of 1972
## Record status
- **NPPES last updated:** January 30, 2008
- **Other identifiers:** Medicare UPIN TO4105 (CA); Other DC0108810 (CA); Medicare PIN WDC10881A (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1629093687) · Data from the CMS NPPES public registry.