PRESTON ARNDT, MD INC.
NPI 1528791522
Family Medicine in Ojai, CA
About Preston Arndt, Md Inc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PRESTON ARNDT, MD INC. (NPI 1528791522) is a healthcare organization registered as a family medicine in Ojai, California and active in the NPI registry since July 2022. The organization lists Preston Walter Arndt, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Preston Arndt, Md Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Preston Arndt, MD Inc., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Preston Arndt, MD Inc.'s NPI number?
The NPI number for Preston Arndt, MD Inc. is 1528791522. It was assigned to this organization in the NPPES registry on July 7, 2022.
Where is Preston Arndt, MD Inc. located?
Preston Arndt, MD Inc. is located at 411 W Ojai Ave Ste B, Ojai, CA 93023. The listed phone number is (805) 233-4231.
What is Preston Arndt, MD Inc.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Preston Arndt, MD Inc. enrolled in Medicare?
Yes. Preston Arndt, MD Inc. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Preston Arndt, MD Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Preston Arndt, MD Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Preston Arndt, MD Inc. was last updated on July 8, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Preston Arndt, Md Inc. · NPI 1528791522
Family Medicine organization in Ojai, California. Organization record, active in the CMS NPPES registry since July 7, 2022.
## Identity
- **NPI:** 1528791522 (Entity type: Organization)
- **Enumerated:** July 7, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** Preston Arndt, OWNER
## Practice location
- **Address:** 411 W OJAI AVE STE B, Ojai, CA 93023-2443
- **Phone:** (805) 233-4231 · **Fax:** (805) 273-0216
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1528791522) · Data from the CMS NPPES public registry.