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DR. CORAL LYNN TIEU M.D.
NPI 1649525585
Otolaryngology in Prosser, WA

Active since July 17, 2012PECOS Enrolled
88.39/100
CMS Quality Rating
820 MEMORIAL ST STE 3, PROSSER, WA 99350(509) 786-5599(509) 786-1574 Get Directions Write a Review

NPPES record last updated: June 2, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 2, 2021, Apr 14, 2021, Jun 25, 2017 (3 updates tracked since 2017).

About Dr. Coral Lynn Tieu M.d. NPPES

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

DR. CORAL LYNN TIEU M.D. (NPI 1649525585) is an individual otolaryngology provider in Prosser, Washington, licensed in Illinois (125-061240) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649525585
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameDR. CORAL LYNN TIEUCredential: M.D.
Location Address820 MEMORIAL ST STE 3Prosser, WA 99350-2504
Mailing Address723 Memorial StProsser, WA 99350-1524 · (509) 786-2222 · Fax (509) 786-2222
Phone(509) 786-5599
Fax(509) 786-1574
Sole ProprietorNo
Enumeration DateJuly 17, 2012
Last NPPES UpdateJune 2, 20213 updates tracked since enumeration
NPPES CertifiedJune 2, 2021
✔ NPI 1649525585 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in IL · 125-061240
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
820 MEMORIAL ST STE 3, Prosser, WA 99350
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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 (PECOS)

Dr. Coral Lynn Tieu 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 Reassignment

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

Prosser Public Hospital District Of Benton County
Same address
Gastroenterology
820 MEMORIAL ST STE 3
Prosser, WA 99350
  • Reassigned Medicare billing, Washington enrollment
  • 232 clinicians in this Medicare group
NPI 1780495978 (509) 786-2222

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 99350 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
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
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.

88.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.25
Promoting Interoperability81
Improvement Activities40

Other Providers at the Same Location NPPES 6

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

KAILEY FRIESZ ARNP
Nurse Practitioner
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-5599
DR. RICHARD LEE-TSONG LIN M.D., PH.D.
Dermatology
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-5599
DR. RICHARD J UNGER DO
Surgery
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-5599
SAMUEL JAMES STREBEL M.D.
Orthopaedic Surgery
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-5599
PROSSER PUBLIC HOSPITAL DISTRICT OF BENTON COUNTY
Internal Medicine (Gastroenterology)
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-2222
DR. JARED T CLIFFORD DPM
Podiatrist (Foot & Ankle Surgery)
820 MEMORIAL ST STE 3
PROSSER, WA 99350
Benton County (509) 786-5599

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 Coral Tieu's NPI number?

The NPI number for Coral Tieu is 1649525585. It was assigned to this individual provider in the NPPES registry on July 17, 2012.

Where is Coral Tieu located?

Coral Tieu practices at 820 Memorial St Ste 3, Prosser, WA 99350. The listed phone number is (509) 786-5599.

What is Coral Tieu's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Coral Tieu enrolled in Medicare?

Yes. Coral Tieu is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Coral Tieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Coral Tieu reassigns Medicare benefits to Prosser Public Hospital District Of Benton County (Prosser, WA). 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 Coral Tieu'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 Coral Tieu was last updated on June 2, 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.