TAHJA R MCDOWELL PSYD
NPI 1346578184
Psychologist in Corona, CA
About Tahja R Mcdowell Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAHJA R MCDOWELL PSYD (NPI 1346578184) is an individual psychologist in Corona, California, licensed in California (PSY22742) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tahja R Mcdowell Psyd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tahja Mcdowell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 8 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CORONA, CA 92879
CORONA, CA 92879
CORONA, CA 92879
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 Tahja Mcdowell's NPI number?
The NPI number for Tahja Mcdowell is 1346578184. It was assigned to this individual provider in the NPPES registry on December 4, 2009.
Where is Tahja Mcdowell located?
Tahja Mcdowell practices at 770 Magnolia Ave 1F, Corona, CA 92879. The listed phone number is (951) 737-1917.
What is Tahja Mcdowell's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Tahja Mcdowell enrolled in Medicare?
Yes. Tahja Mcdowell is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tahja Mcdowell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tahja Mcdowell reassigns Medicare benefits to Orange Psychiatric Medical Group, Inc (Corona, 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 Tahja Mcdowell'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 Tahja Mcdowell was last updated on December 4, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.