Doctor profile · Federal record

Dr. Irene Kang, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Irvine, CA

  • NPI 1336430727
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 Fivepoint
Irvine, CA 926182377
(949) 671-4673
fax (949) 671-4329
Additional location
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A124670

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336430727. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
367
Distinct HCPCS
4
Medicare allowed
$51,358
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 178 99 $152
99214 Established patient office or other outpatient visit, 30-39 minutes 103 64 $103
99205 New patient office or other outpatient visit, 60-74 minutes 63 63 $192
99213 Established patient office or other outpatient visit, 20-29 minutes 23 21 $70

In context: peer comparison

Among 2 peers in Irvine Medical Oncology Physician, average services per provider: 785. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20,413
Transactions
32
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 12 $9,311.57
Gilead Sciences, INC. 11 $4,382.21
Stemline Therapeutics INC. 2 $3,120.00
Novartis Pharmaceuticals Corporation 2 $2,069.15
Pfizer INC. 2 $1,392.69
Amgen INC. 1 $79.60
AstraZeneca Pharmaceuticals Lp 1 $29.43
Abbvie INC. 1 $28.12

By nature of payment

Consulting Fee
$18,258
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,170
Food and Beverage
$985

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
318
Patients
102
Total drug cost
$492,778
Drug Type Claims Patients Total cost
Letrozole Generic 95 41 $4,553
Anastrozole Generic 65 21 $1,437
Tamoxifen Citrate Generic 30 15 $651
Exemestane Generic 20 0 $7,076
Ondansetron Hcl Generic 20 12 $165
Prochlorperazine Maleate Generic 18 13 $238
Verzenio (Abemaciclib) Brand 17 0 $257,924
Dexamethasone Generic 15 0 $380
Kisqali (Ribociclib Succinate) Brand 13 0 $197,891
Zarxio (Filgrastim-Sndz) Brand 13 0 $22,342

Frequently asked questions

Auto-generated from federal data
What is Dr. Irene Kang's medical specialty?
Dr. Irene Kang practices Medical Oncology Physician in Irvine, CA.
Where does Dr. Irene Kang practice?
Dr. Irene Kang practices at 1000 Fivepoint, Irvine, CA 926182377. Office phone: 9496714673.
What is Dr. Irene Kang's NPI?
Dr. Irene Kang's National Provider Identifier (NPI) is 1336430727, issued by NPPES.
Does Dr. Irene Kang accept Medicare assignment?
Yes. Dr. Irene Kang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irene Kang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.