Doctor profile · Federal record

Dr. Sudarsan Kollimuttathuillam, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Irvine, CA

  • NPI 1902324528
  • Accepts Medicare
  • MIPS 91.9 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
16300 Sand Canyon Ave Ste 207
Irvine, CA 926183712
(949) 333-7580
fax (949) 333-7599
Additional location
1000 Fivepoint
Irvine, CA 926182377
(949) 671-4673
fax (949) 671-4329
Additional location
2100 Main St Ste 300
Huntington Beach, CA 926482489
(714) 252-9415
fax (714) 963-8407
Mailing address
Po Box 512185
Los Angeles, CA 900510185

Credentials & registration

NPPES · NUCC
NPI registered
September 2017 — 9 yrs on file
Profile last updated
May 30, 2024
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A169385

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902324528. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67,099
Distinct HCPCS
10
Medicare allowed
$1,379,825
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 21,000 22 $1
J9271 Injection, pembrolizumab, 1 mg 10,400 15 $55
J3380 Injection, vedolizumab, 1 mg 8,700 13 $22
J0185 Injection, aprepitant, 1 mg 6,890 20 $2
J0897 Injection, denosumab, 1 mg 5,040 51 $23
J3111 Injection, romosozumab-aqqg, 1 mg 3,780 12 $10
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 2,875 14 $42
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 1,784 16 $44
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,430 14 $33
J2405 Injection, ondansetron hydrochloride, per 1 mg 1,240 32 $0

In context: peer comparison

Among 5 peers in Irvine Hematology & Oncology Physician, average services per provider: 1,303. This provider delivers 51× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,234
Transactions
27
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 4 $426.53
Celgene Corporation 12 $235.02
Astellas Pharma US INC 2 $141.46
Menarini Silicon Biosystems, INC. 1 $102.44
Takeda Pharmaceuticals U.S.A., INC. 2 $86.21
Daiichi Sankyo INC. 2 $83.45
Genzyme Corporation 1 $78.67
Merck Sharp & Dohme LLC 2 $46.34
Exelixis INC. 1 $33.56

By nature of payment

Food and Beverage
$1,234

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
192
Patients
0
Total drug cost
$1,457,592
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 33 0 $299
Eliquis (Apixaban) Brand 30 0 $26,050
Cabometyx (Cabozantinib S-Malate) Brand 22 0 $622,524
Erleada (Apalutamide) Brand 18 0 $288,024
Folic Acid Generic 15 0 $52
Anastrozole Generic 14 0 $272
Levothyroxine Sodium Generic 14 0 $210
Revlimid (Lenalidomide) Brand 13 0 $128,753
Alecensa (Alectinib Hcl) Brand 11 0 $205,852
Hydroxyurea Generic 11 0 $477

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sudarsan Kollimuttathuillam's medical specialty?
Dr. Sudarsan Kollimuttathuillam practices Hematology & Oncology Physician in Irvine, CA.
Where does Dr. Sudarsan Kollimuttathuillam practice?
Dr. Sudarsan Kollimuttathuillam practices at 16300 Sand Canyon Ave Ste 207, Irvine, CA 926183712. Office phone: 9493337580.
What is Dr. Sudarsan Kollimuttathuillam's NPI?
Dr. Sudarsan Kollimuttathuillam's National Provider Identifier (NPI) is 1902324528, issued by NPPES.
Does Dr. Sudarsan Kollimuttathuillam accept Medicare assignment?
Yes. Dr. Sudarsan Kollimuttathuillam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sudarsan Kollimuttathuillam commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, vedolizumab, 1 mg (HCPCS J3380). Source: CMS Medicare Physician & Other Practitioners file.