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DR. SUSAN ORDONIO TIU M.D.
NPI 1710148994
Internal Medicine in Everett, WA

Active since June 20, 2008PECOS Enrolled
4005 HOYT AVE, EVERETT, WA 98201(425) 339-5468(425) 259-1172 Get Directions Write a Review

NPPES record last updated: March 15, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Susan Ordonio Tiu M.d. NPPES

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

DR. SUSAN ORDONIO TIU M.D. (NPI 1710148994) is an individual internal medicine provider in Everett, Washington, licensed in Washington (MD60253710) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710148994
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SUSAN ORDONIO TIUCredential: M.D.
Location Address4005 HOYT AVEEverett, WA 98201-4920
Mailing AddressPo Box 5127Everett, WA 98206-5127 · (425) 339-5468 · Fax (425) 259-1172
Phone(425) 339-5468
Fax(425) 259-1172
Sole ProprietorYes
Enumeration DateJune 20, 2008
Last NPPES UpdateMarch 15, 2013
✔ NPI 1710148994 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 · MD60253710
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.
4005 HOYT AVE, Everett, WA 98201
Open in Google Maps ↗

Other Identifiers 1

OtherMD60253710WA · License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Susan Ordonio Tiu M.d. 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

2

Medicare enrollment records show Susan Tiu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Optum Care Washington PLLC
0.1 mi
Multi-Specialty
3901 HOYT AVE
Everett, WA 98201
  • Reassigned Medicare billing, Washington enrollment
  • 1,285 clinicians in this Medicare group
NPI 1831186766 (425) 259-0966
South Sound Inpatient Physicians PLLC
23 mi
Skilled Nursing Facility
2717 DEXTER AVE, QUEEN ANNE HEALTHCARE
Seattle, WA 98109
  • Reassigned Medicare billing, Washington enrollment
  • 915 clinicians in this Medicare group
NPI 1699917369 (206) 284-7012

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 98201 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
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FREDERICK C MANNING
Internal Medicine
4005 HOYT AVE
EVERETT, WA 98201
Snohomish County (425) 339-5468
MARY R LEARY
Physician Assistant
4005 HOYT AVE
EVERETT, WA 98201
Snohomish County (425) 339-5468
LINDA N WHITESELL ARNP
Nurse Practitioner
4005 HOYT AVE
EVERETT, WA 98201
Snohomish County (425) 259-0966

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 Susan Tiu's NPI number?

The NPI number for Susan Tiu is 1710148994. It was assigned to this individual provider in the NPPES registry on June 20, 2008.

Where is Susan Tiu located?

Susan Tiu practices at 4005 Hoyt Ave, Everett, WA 98201. The listed phone number is (425) 339-5468.

What is Susan Tiu's specialty?

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

Is Susan Tiu enrolled in Medicare?

Yes. Susan Tiu is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Susan Tiu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Susan Tiu reassigns Medicare benefits to 2 organizations: Optum Care Washington PLLC (Everett, WA) and South Sound Inpatient Physicians PLLC (Seattle, WA). 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 Susan Tiu'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 Susan Tiu was last updated on March 15, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.