Doctor profile · Federal record

Dr. Despina Siolas, MD, PHD

Medical Oncology Physician (CMS: Medical Oncology) · Hematology & Oncology Physician · New York, NY

  • NPI 1598083552
  • Accepts Medicare
  • MIPS 93.4 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1305 York Ave Fl 12
New York, NY 100215663
(646) 962-6200

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
June 30, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
New York #263563

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598083552. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,576
Distinct HCPCS
10
Medicare allowed
$71,740
HCPCS Description Services Patients Avg allowed
J2469 Injection, palonosetron hcl, 25 mcg 760 16 $1
J9190 Injection, fluorouracil, 500 mg 444 12 $2
J1100 Injection, dexamethasone sodium phosphate, 1 mg 363 14 $0
J0640 Injection, leucovorin calcium, per 50 mg 256 12 $4
96375 Injection of additional new drug or substance into vein 202 20 $18
99213 Established patient office or other outpatient visit, 20-29 minutes 124 42 $103
96413 Administration of chemotherapy into vein, 1 hour or less 107 23 $154
99214 Established patient office or other outpatient visit, 30-39 minutes 102 43 $145
96368 Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion 64 11 $23
96416 Administration of prolonged chemotherapy into vein 64 11 $152

In context: peer comparison

Among 122 peers in this city , average services per provider: 215. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,550
Transactions
15
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $1,675.00
AstraZeneca Pharmaceuticals LP 4 $598.43
Ipsen Biopharmaceuticals, Inc 4 $102.21
TerSera Therapeutics LLC 2 $59.06
Novartis Pharmaceuticals Corporation 1 $31.25
TAIHO ONCOLOGY, INC. 1 $31.25
JAZZ PHARMACEUTICALS INC. 1 $30.52
Eisai Inc. 1 $22.61

By nature of payment

Consulting Fee
$2,200
Food and Beverage
$350

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Despina Siolas's medical specialty?
Dr. Despina Siolas practices Medical Oncology Physician in New York, NY.
Where does Dr. Despina Siolas practice?
Dr. Despina Siolas practices at 1305 York Ave Fl 12, New York, NY 100215663. Office phone: 6469626200.
What is Dr. Despina Siolas's NPI?
Dr. Despina Siolas's National Provider Identifier (NPI) is 1598083552, issued by NPPES.
Does Dr. Despina Siolas accept Medicare assignment?
Yes. Dr. Despina Siolas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Despina Siolas commonly perform?
Top Medicare-reported procedures in 2023: Injection, palonosetron hcl, 25 mcg (HCPCS J2469); Injection, fluorouracil, 500 mg (HCPCS J9190); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.