Doctor profile · Federal record
Dr. Cassie Xu, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Anatomic Pathology & Clinical Pathology Physician · Federal Way, WA
- NPI 1578096863
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
33915 1St Way S Ste 203
Federal Way, WA 980036396
(253) 838-9839
fax (253) 661-9077 - Additional location
-
12605 E 16Th Ave
Aurora, CO 800452545
(720) 848-0000 - Additional location
-
209 Lilly RD Ne
Olympia, WA 985065030
(360) 413-8250 - Mailing address
-
3209 S 23Rd St, Ste 200
Tacoma, WA 984051602
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- August 18, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State licenses (2)
- Washington #MD61264545 · Colorado #DR.0066609
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578096863. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,178
Distinct HCPCS
9
Medicare allowed
$43,656
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 610 | 287 | $37 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 195 | 67 | $12 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 124 | 102 | $34 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 95 | 33 | $28 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 63 | 51 | $81 | |
88331 |
Pathology examination of specimen during surgery, first tissue block | 27 | 11 | $61 | |
88309 |
Pathology examination of tissue using a microscope, high complexity | 23 | 17 | $143 | |
88321 |
Surgical pathology consultation and report on referred slides prepared elsewhere | 23 | 23 | $83 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 18 | 17 | $11 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 130. This provider delivers 9.1× the peer median.Frequently asked questions
What is Dr. Cassie Xu's medical specialty?
Dr. Cassie Xu practices Anatomic Pathology & Clinical Pathology Physician in Federal Way, WA.
Where does Dr. Cassie Xu practice?
Dr. Cassie Xu practices at 33915 1St Way S Ste 203, Federal Way, WA 980036396. Office phone: 2538389839.
What is Dr. Cassie Xu's NPI?
Dr. Cassie Xu's National Provider Identifier (NPI) is 1578096863, issued by NPPES.
Does Dr. Cassie Xu accept Medicare assignment?
Yes. Dr. Cassie Xu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassie Xu commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue including interpretation and report (HCPCS 88313); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.