Doctor profile · Federal record

Dr. Xiaoyan Zhou

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Lancaster, CA

  • NPI 1033537527
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1600 W Avenue J
Lancaster, CA 935342814
(661) 949-5611
fax (661) 949-5904
Additional location
8459 Westmore RD, Apt.57
San Diego, CA 921265370
(408) 334-5997
Mailing address
Po Box 10076
Van Nuys, CA 914100076

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A135282

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033537527. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,950
Distinct HCPCS
10
Medicare allowed
$66,415
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 629 379 $37
88341 Special stained specimen slides to examine tissue, each additional procedure 311 82 $28
88342 Special stained specimen slides to examine tissue, initial procedure 205 176 $34
88313 Special stained specimen slides to examine tissue including interpretation and report 147 62 $12
88307 Pathology examination of tissue using a microscope, moderately high complexity 136 81 $81
88304 Pathology examination of tissue using a microscope, moderately low complexity 112 95 $11
88360 Microscopic genetic analysis of tumor, manual 61 31 $41
88104 Cell examination of body fluid, smears 58 46 $27
85060 Blood smear interpretation by physician with written report 48 46 $23
88311 Preparation of tissue for examination by removing any calcium present 46 42 $12

In context: peer comparison

Among 2 peers in Lancaster Anatomic Pathology & Clinical Pathology Physician, average services per provider: 114. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 1 $125.00

By nature of payment

Food and Beverage
$125

Frequently asked questions

Auto-generated from federal data
What is Dr. Xiaoyan Zhou's medical specialty?
Dr. Xiaoyan Zhou practices Anatomic Pathology & Clinical Pathology Physician in Lancaster, CA.
Where does Dr. Xiaoyan Zhou practice?
Dr. Xiaoyan Zhou practices at 1600 W Avenue J, Lancaster, CA 935342814. Office phone: 6619495611.
What is Dr. Xiaoyan Zhou's NPI?
Dr. Xiaoyan Zhou's National Provider Identifier (NPI) is 1033537527, issued by NPPES.
Does Dr. Xiaoyan Zhou accept Medicare assignment?
Yes. Dr. Xiaoyan Zhou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xiaoyan Zhou 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, each additional procedure (HCPCS 88341); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.