1. Home
  2. Directory
  3. Washington
  4. Federal Way
  5. Pathology
  6. NPI Profile

CASSIE XU MD
NPI 1578096863
Pathology - Anatomic Pathology & Clinical Pathology in Federal Way, WA

Active since April 04, 2017PECOS EnrolledAccepts Medicare Assignment
33915 1ST WAY S STE 203, FEDERAL WAY, WA 98003(253) 838-9839(253) 661-9077 Get Directions Write a Review

NPPES record last updated: August 18, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 18, 2022, May 24, 2022, May 6, 2022 and 2 more (5 updates tracked since 2022).

About Cassie Xu Md NPPES

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

CASSIE XU MD (NPI 1578096863) is an individual anatomic pathology & clinical pathology provider in Federal Way, Washington, licensed in Washington (MD61264545) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Indiana University School Of Medicine (2017).

NPPES Registry Identity

NPI1578096863
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameCASSIE XUCredential: MD
Location Address33915 1ST WAY S STE 203Federal Way, WA 98003-6396
Mailing Address3209 S 23rd St, Ste 200Tacoma, WA 98405-1602 · (253) 272-5127
Phone(253) 838-9839
Fax(253) 661-9077
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2017
Enumeration DateApril 4, 2017
Last NPPES UpdateAugust 18, 20225 updates tracked since enumeration
NPPES CertifiedAugust 3, 2022
✔ NPI 1578096863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in WA · MD61264545✔ Licensed in CO · DR.0066609
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
33915 1ST WAY S STE 203, Federal Way, WA 98003
Open in Google Maps ↗

Secondary Practice Locations 2

Location 112605 E 16th AveAurora, CO 80045-2545 · Phone (720) 848-0000
Location 2209 Lilly Rd NEOlympia, WA 98506-5030 · Phone (360) 413-8250

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cassie Xu Md 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 ID1153699384
PECOS Enrollment IDI20220110000667
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.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
775 services415 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
214 services156 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
198 services80 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
178 services61 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
89 services63 patients
Pathology examination of specimen during surgery, first tissue block 88331
A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.
56 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98003 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 2

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

WASHINGTON GASTROENTEROLOGY PLLC
Clinical Medical Laboratory
33915 1ST WAY S STE 203
FEDERAL WAY, WA 98003
King County (253) 838-9839
WASHINGTON GASTROENTEROLOGY PLLC
Clinical Medical Laboratory
33915 1ST WAY S STE 203
FEDERAL WAY, WA 98003
King County (253) 838-9839

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 Cassie Xu's NPI number?

The NPI number for Cassie Xu is 1578096863. It was assigned to this individual provider in the NPPES registry on April 4, 2017.

Where is Cassie Xu located?

Cassie Xu practices at 33915 1st Way S Ste 203, Federal Way, WA 98003. The listed phone number is (253) 838-9839.

What is Cassie Xu's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Cassie Xu enrolled in Medicare?

Yes. Cassie Xu 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.

What insurance does Cassie Xu accept?

Health plans from Medica list Cassie Xu 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 Cassie Xu was last updated on August 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.