THEODORE M TEACHER MD APC
NPI 1255520169
Psychiatry & Neurology - Neurology in Mission Viejo, CA
About Theodore M Teacher Md Apc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THEODORE M TEACHER MD APC (NPI 1255520169) is a healthcare organization registered as a neurology in Mission Viejo, California and active in the NPI registry since October 2007. The organization lists Ruth E Eastham, Mgr, 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)
Theodore M Teacher Md Apc 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 Theodore M Teacher MD Apc, 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 Theodore M Teacher MD Apc's NPI number?
The NPI number for Theodore M Teacher MD Apc is 1255520169. It was assigned to this organization in the NPPES registry on October 16, 2007.
Where is Theodore M Teacher MD Apc located?
Theodore M Teacher MD Apc is located at 26691 Plaza Suite 235, Mission Viejo, CA 92691. The listed phone number is (949) 364-9054.
What is Theodore M Teacher MD Apc's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Theodore M Teacher MD Apc enrolled in Medicare?
Yes. Theodore M Teacher MD Apc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Theodore M Teacher MD Apc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Neurology) reassigns their Medicare billing to Theodore M Teacher MD Apc. 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 Theodore M Teacher MD Apc was last updated on January 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Theodore M Teacher Md Apc · NPI 1255520169
Neurology organization in Mission Viejo, California. Organization record, active in the CMS NPPES registry since October 16, 2007.
## Identity
- **NPI:** 1255520169 (Entity type: Organization)
- **Enumerated:** October 16, 2007
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **Organization subpart:** No
- **Authorized official:** Ruth Eastham, MGR
## Practice location
- **Address:** 26691 PLAZA, SUITE 235, Mission Viejo, CA 92691-6329
- **Phone:** (949) 364-9054 · **Fax:** (949) 364-6171
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Neurology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1255520169) · Data from the CMS NPPES public registry.