Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

Q: 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.

Q: What is Phoebus Sun Cao's specialty?

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

Q: 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 32 days 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.

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: September 13, 2026.

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

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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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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

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