DR. THERESSIA LOUISE WASHINGTON M.D., M.S., FAAFP
NPI 1992951347
Family Medicine in Beverly Hills, CA
About Dr. Theressia Louise Washington M.d., M.s., Faafp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THERESSIA LOUISE WASHINGTON M.D., M.S., FAAFP (NPI 1992951347) is an individual family medicine provider in Beverly Hills, California, licensed in California (A104439) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Theressia Louise Washington M.d., M.s., Faafp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Theressia Washington reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 123 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
Stockton, CA 95219
- Reassigned Medicare billing, California enrollment
- 221 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 155 clinicians in this Medicare group
Rockford, IL 61103
- Reassigned Medicare billing, Illinois enrollment
- 1,375 clinicians in this Medicare group
Upland, IN 46989
- Reassigned Medicare billing, Indiana enrollment
- 635 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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 Theressia Washington's NPI number?
The NPI number for Theressia Washington is 1992951347. It was assigned to this individual provider in the NPPES registry on August 15, 2008.
Where is Theressia Washington located?
Theressia Washington practices at 9663 Santa Monica Blvd Ste 957, Beverly Hills, CA 90210. The listed phone number is (310) 275-8377.
What is Theressia Washington's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Theressia Washington enrolled in Medicare?
Yes. Theressia Washington is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Theressia Washington's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theressia Washington reassigns Medicare benefits to 6 organizations: Hospitalist Group Of Montebello Inc (Corona, CA), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), Lodi Memorial Hospital Association, Inc (Stockton, CA), Cogent Healthcare Of Montana P C (Missoula, MT), Rockford Health Physicians (Rockford, IL) and 1 more organization, listed in the Medicare section above. Each 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 Theressia Washington's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theressia Washington accept?
Health plans from CareSource list Theressia Washington as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Theressia Washington was last updated on November 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.