Doctor profile · Federal record

Dr. Kathiresan Suppiah, MD

Hematology & Oncology Physician (CMS: Internal Medicine) · Newark, DE

  • NPI 1851340392
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4701 Ogletown Stanton RD, Suite 2400
Newark, DE 197132055
(302) 731-7782
fax (302) 738-5917
Mailing address
109 Merry Met Farms Dr
Kennett Square, PA 193481697

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 31, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Maryland #D0064409

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851340392. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
601
Distinct HCPCS
5
Medicare allowed
$59,677
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 277 103 $79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 193 169 $130
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 71 44 $118
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 43 42 $83
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 17 17 $50

In context: peer comparison

Among 10 peers in Newark Hematology & Oncology Physician, average services per provider: 2,665. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$178
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Intera Oncology, INC 1 $83.22
Alexion Pharmaceuticals, INC. 1 $72.53
Genentech USA, INC. 1 $21.86

By nature of payment

Food and Beverage
$178

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$2,171
Drug Type Claims Patients Total cost
Methylprednisolone Sodium Succ (Methylprednisolone Sod Succ) Brand 51 0 $2,171

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathiresan Suppiah's medical specialty?
Dr. Kathiresan Suppiah practices Hematology & Oncology Physician in Newark, DE.
Where does Dr. Kathiresan Suppiah practice?
Dr. Kathiresan Suppiah practices at 4701 Ogletown Stanton RD, Newark, DE 197132055. Office phone: 3027317782.
What is Dr. Kathiresan Suppiah's NPI?
Dr. Kathiresan Suppiah's National Provider Identifier (NPI) is 1851340392, issued by NPPES.
Does Dr. Kathiresan Suppiah accept Medicare assignment?
Yes. Dr. Kathiresan Suppiah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathiresan Suppiah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.