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JUSTIN ESTARIS
NPI 1174818439
Internal Medicine in Seattle, WA

Active since June 15, 2011PECOS EnrolledAccepts Medicare Assignment
925 SENECA ST, MAILSTOP: H8-GME, SEATTLE, WA 98101(206) 583-6079 Get Directions Write a Review

NPPES record last updated: October 27, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Justin Estaris NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JUSTIN ESTARIS (NPI 1174818439) is an individual internal medicine provider in Seattle, Washington, licensed in Washington (ML 60264054) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS and is a graduate of Oregon Health Sciences University School Of Medicine (2011).

NPPES Registry Identity

NPI1174818439
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJUSTIN ESTARIS
Location Address925 SENECA ST, MAILSTOP: H8-GMESeattle, WA 98101-2742
Mailing Address3181 Sw Sam Jackson Park RdPortland, OR 97239-3011
Phone(206) 583-6079
Sole ProprietorYes
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2011
Enumeration DateJune 15, 2011
Last NPPES UpdateOctober 27, 2021
NPPES CertifiedOctober 27, 2021
✔ NPI 1174818439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in WA · ML 60264054
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
925 SENECA ST, Seattle, WA 98101
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Justin Estaris is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052690690
PECOS Enrollment IDI20161122001473
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 Reassignment

Medicare enrollment records show Justin Estaris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
919 mi
Health Maintenance Organization
43112 N 15TH ST
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1982863783 (661) 726-2279

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 98101 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
$143.76 typical visit price
range $63.67 – $189.37
Typical copayment $35.94 (range $15.91 – $47.34)
Most-billed visit code 99204
Established Patient
$111.00 typical visit price
range $21.12 – $155.00
Typical copayment $27.75 (range $5.28 – $38.75)
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.

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.

STEPHEN A LOPEZ MD
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 341-0860
DR. STEPHEN RAMON MD
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (206) 583-6079
JARED JOHN BASSMANN
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (206) 223-6772
YORDANOS T KAHSAI M.D.
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 624-1144
RHADIKA MCCORMICK SOUZA MD
Emergency Medicine
925 SENECA ST
SEATTLE, WA 98101
King County (206) 583-6433
IRINA KUSHNIR M.D.
Hospitalist
925 SENECA ST
SEATTLE, WA 98101
King County (206) 341-1401
JENNA LEE MALIGRO MD
Student in an Organized Health Care Education/Training Program
925 SENECA ST, MAIL STOP: H8-GME
SEATTLE, WA 98101
King County (206) 583-6079
THOMAS HOY PEREZ
Student in an Organized Health Care Education/Training Program
925 SENECA ST
SEATTLE, WA 98101
King County (408) 832-4749

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 Justin Estaris's NPI number?

The NPI number for Justin Estaris is 1174818439. It was assigned to this individual provider in the NPPES registry on June 15, 2011.

Where is Justin Estaris located?

Justin Estaris practices at 925 Seneca St Mailstop: H8-Gme, Seattle, WA 98101. The listed phone number is (206) 583-6079.

What is Justin Estaris's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Justin Estaris enrolled in Medicare?

Yes. Justin Estaris is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Justin Estaris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Estaris reassigns Medicare benefits to Southern California Permanente Medical Group (Lancaster, 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 Justin Estaris'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 Justin Estaris was last updated on October 27, 2021. 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.