Doctor profile · Federal record

Dr. Ruijun Su, MD

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

  • NPI 1922426451
  • Accepts Medicare
  • MIPS 97.0 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
351 Rolling Oaks Dr
Thousand Oaks, CA 913611275
(805) 373-8582
Additional location
10833 le Conte Ave
Los Angeles, CA 900951275
(310) 267-1900
Additional location
4400 V St
Sacramento, CA 958171445
(916) 734-3331
fax (916) 734-6468
Mailing address
11021 Boren Ave
Loma Linda, CA 923546517

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
October 29, 2019
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A146517

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922426451. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
865
Distinct HCPCS
10
Medicare allowed
$30,194
HCPCS Description Services Patients Avg allowed
88341 Special stained specimen slides to examine tissue, each additional procedure 297 56 $28
88305 Pathology examination of tissue using a microscope, intermediate complexity 137 93 $37
88342 Special stained specimen slides to examine tissue, initial procedure 123 79 $35
88360 Microscopic genetic analysis of tumor, manual 84 33 $42
88307 Pathology examination of tissue using a microscope, moderately high complexity 68 42 $78
88313 Special stained specimen slides to examine tissue including interpretation and report 49 28 $12
88304 Pathology examination of tissue using a microscope, moderately low complexity 42 39 $11
88311 Preparation of tissue for examination by removing any calcium present 22 21 $11
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 19 18 $88
88112 Cell examination of specimen, selective cellular enhancement technique 13 12 $28

In context: peer comparison

Among 3 peers in Thousand Oaks Anatomic Pathology & Clinical Pathology Physician, average services per provider: 76. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $112.61

By nature of payment

Food and Beverage
$113

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruijun Su's medical specialty?
Dr. Ruijun Su practices Anatomic Pathology & Clinical Pathology Physician in Thousand Oaks, CA.
Where does Dr. Ruijun Su practice?
Dr. Ruijun Su practices at 351 Rolling Oaks Dr, Thousand Oaks, CA 913611275. Office phone: 8053738582.
What is Dr. Ruijun Su's NPI?
Dr. Ruijun Su's National Provider Identifier (NPI) is 1922426451, issued by NPPES.
Does Dr. Ruijun Su accept Medicare assignment?
Yes. Dr. Ruijun Su accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruijun Su commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, initial procedure (HCPCS 88342). Source: CMS Medicare Physician & Other Practitioners file.