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PHOEBUS SUN CAO MD
NPI 1881273530
Radiology - Radiation Oncology in Sequim, WA

Active since April 07, 2021PECOS Enrolled
844 N 5TH AVE, SEQUIM, WA 98382(360) 683-9895(360) 582-5614 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 18, 2026, Apr 7, 2021 (2 updates tracked since 2021).

About Phoebus Sun Cao Md NPPES

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

PHOEBUS SUN CAO MD (NPI 1881273530) is an individual radiation oncology provider in Sequim, Washington, licensed in Washington (MD.MD.70151866) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881273530
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NamePHOEBUS SUN CAOCredential: MD
Location Address844 N 5TH AVESequim, WA 98382-3045
Mailing AddressPo Box 24029Seattle, WA 98124-0029 · (360) 683-9895 · Fax (360) 582-5614
Phone(360) 683-9895
Fax(360) 582-5614
Sole ProprietorNo
Enumeration DateApril 7, 2021
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1881273530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License✔ Licensed in WA · MD.MD.70151866
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
844 N 5TH AVE, Sequim, WA 98382
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Phoebus Sun Cao Md 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 Phoebus Sun Cao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Olympic Medical Physicians
14 mi
Family Medicine
907 GEORGIANA ST
Port Angeles, WA 98362
  • Reassigned Medicare billing, Washington enrollment
  • 112 clinicians in this Medicare group
NPI 1427081967 (360) 565-0999

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 98382 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
$172.80 typical visit price
range $57.27 – $172.80
Typical copayment $43.20 (range $14.31 – $43.20)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES 18

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

CHARENE S. ALDERMAN ARNP
Nurse Practitioner
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
DR. MARTIN CLIVE PALMER M.D.
Internal Medicine (Hematology & Oncology)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
DR. EIKO KLIMANT MD
Internal Medicine (Medical Oncology)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
DR. THOMAS J FITZGERALD MD PH D
Internal Medicine (Hematology & Oncology)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
LESLEY CRUZ DNP, ARNP
Nurse Practitioner
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
TAMARA KHAZBIEVA FNP
Nurse Practitioner (Family)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
TINA MARINA PASSALARIS M.D.
Internal Medicine (Medical Oncology)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895
HELEN H XIAO-LI MD
Radiology (Radiation Oncology)
844 N 5TH AVE
SEQUIM, WA 98382
Clallam County (360) 683-9895

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 Phoebus Sun Cao's NPI number?

The NPI number for Phoebus Sun Cao is 1881273530. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Phoebus Sun Cao located?

Phoebus Sun Cao practices at 844 N 5th Ave, Sequim, WA 98382. The listed phone number is (360) 683-9895.

What is Phoebus Sun Cao's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Phoebus Sun Cao enrolled in Medicare?

Yes. Phoebus Sun Cao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phoebus Sun Cao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phoebus Sun Cao reassigns Medicare benefits to Olympic Medical Physicians (Port Angeles, 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 Phoebus Sun Cao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Phoebus Sun Cao accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Phoebus Sun Cao 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 Phoebus Sun Cao was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.