DR. THERESSIA LOUISE WASHINGTON M.D., M.S., FAAFP
NPI 1992951347
Family Medicine in Beverly Hills, CA

Active since August 15, 2008PECOS Enrolled
9663 SANTA MONICA BLVD STE 957, BEVERLY HILLS, CA 90210(310) 275-8377(310) 276-8377 Get Directions Write a Review

NPPES record last updated: November 12, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 12, 2020, Mar 17, 2018, Dec 12, 2017 (3 updates tracked since 2017).

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

NPI1992951347
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. THERESSIA LOUISE WASHINGTONCredential: M.D., M.S., FAAFP
Location Address9663 SANTA MONICA BLVD STE 957Beverly Hills, CA 90210-4303
Mailing Address9663 Santa Monica Blvd Ste 957Beverly Hills, CA 90210-4303 · (310) 275-8377 · Fax (310) 602-6390
Fax(310) 276-8377
Sole ProprietorYes
Enumeration DateAugust 15, 2008
Last NPPES UpdateNovember 12, 20203 updates tracked since enumeration
NPPES CertifiedNovember 9, 2020
✔ NPI 1992951347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A104439
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedSurgeryTaxonomy 208600000X · License A104439 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License 16152 (NV)
9663 SANTA MONICA BLVD STE 957, Beverly Hills, CA 90210

Secondary Practice Locations 2

Location 1235 W 6th StReno, NV 89503-4548 · Phone (775) 770-6490
Location 21600 Medical PkwyCarson City, NV 89703-4625 · Phone (775) 445-8795

Other Identifiers 1

OtherA104439CA · Medical License

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare 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.

Hospitalist
250 E RINCON ST STE 106
Corona, CA 92879
  • Reassigned Medicare billing, California enrollment
  • 123 clinicians in this Medicare group
Internal Medicine
18300 US HIGHWAY 18
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
  • 914 clinicians in this Medicare group
Primary Care
10200 TRINITY PARKWAY, SUITE 102
Stockton, CA 95219
  • Reassigned Medicare billing, California enrollment
  • 221 clinicians in this Medicare group
Internal Medicine
2827 FORT MISSOULA RD
Missoula, MT 59804
  • Reassigned Medicare billing, Montana enrollment
  • 155 clinicians in this Medicare group
Anesthesiology
2400 N ROCKTON AVE
Rockford, IL 61103
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
Family Medicine
1809 S MAIN ST
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.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%22 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.