SENIOR DOC, TENNESSEE PC
NPI 1568148351
Family Medicine in Orange, CA
About Senior Doc, Tennessee Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SENIOR DOC, TENNESSEE PC (NPI 1568148351) is a healthcare organization registered as a family medicine in Orange, California and active in the NPI registry since June 2023. The organization lists John Mark Geiss, Chief Executive Officer, 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)
Senior Doc, Tennessee Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
10Medicare enrollment records show 10 clinicians reassign Medicare billing to Senior Doc, Tennessee PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (10)
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 Senior Doc, Tennessee PC's NPI number?
The NPI number for Senior Doc, Tennessee PC is 1568148351. It was assigned to this organization in the NPPES registry on June 26, 2023.
Where is Senior Doc, Tennessee PC located?
Senior Doc, Tennessee PC is located at 2592 N Santiago Blvd, Orange, CA 92867. The listed phone number is (855) 434-7763.
What is Senior Doc, Tennessee PC's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Senior Doc, Tennessee PC enrolled in Medicare?
Yes. Senior Doc, Tennessee PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Senior Doc, Tennessee PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 3 Medicare specialties reassign their Medicare billing to Senior Doc, Tennessee PC. 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. The largest specialties are Nurse Practitioner (8), Internal Medicine (1) and Neurology (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Senior Doc, Tennessee PC was last updated on August 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Senior Doc, Tennessee Pc · NPI 1568148351
Family Medicine organization in Orange, California. Organization record, active in the CMS NPPES registry since June 26, 2023.
## Identity
- **NPI:** 1568148351 (Entity type: Organization)
- **Enumerated:** June 26, 2023
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Organization subpart:** No
- **Authorized official:** John Geiss, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 2592 N SANTIAGO BLVD, Orange, CA 92867-1862
- **Phone:** (855) 434-7763
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 10 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (8), Internal Medicine (1), Neurology (1); 2 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1568148351) · Data from the CMS NPPES public registry.