Doctor profile · Federal record

Dr. Kostas Sideridis, DO

Gastroenterology Physician (CMS: Gastroenterology) · Syosset, NY

  • NPI 1003913682
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
237 Jericho Turnpike
Syosset, NY 11791
(516) 584-6400
fax (516) 584-6399

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 2, 2009
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New York #220299
Medicaid
NY #02760525

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003913682. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,015
Distinct HCPCS
10
Medicare allowed
$489,479
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 636 331 $205
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 612 240 $91
99497 Advance care planning, first 30 minutes 278 258 $86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 258 241 $199
96360 Infusion into a vein for hydration, 31-60 minutes 209 182 $38
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 189 126 $136
99205 New patient office or other outpatient visit, 60-74 minutes 149 149 $257
45380 Biopsy of large bowel using a flexible endoscope 110 110 $462
99214 Established patient office or other outpatient visit, 30-39 minutes 100 65 $147
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 95 90 $431

In context: peer comparison

Among 3 peers in Syosset Gastroenterology Physician, average services per provider: 283. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,110
Transactions
156
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Intra-Sana Laboratories 13 $5,947.15
Abbvie INC. 31 $613.79
Novo Nordisk INC 6 $525.06
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 31 $462.59
Qol Medical, LLC 11 $431.06
Genzyme Corporation 12 $313.13
Janssen Biotech, INC. 7 $297.78
Ardelyx, INC. 12 $241.89
Madrigal Pharmaceuticals 3 $195.12
Lilly USA, LLC 4 $181.43
Phathom Pharmaceuticals, INC. 9 $162.06
Pfizer INC. 10 $158.80
Janssen Pharmaceuticals, INC 1 $124.99
Ironwood Pharmaceuticals, INC 3 $67.87
Pharmacosmos Therapeutics INC. 3 $58.25

By nature of payment

Food and Beverage
$5,110
Honoraria
$5,000

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,863
Patients
816
Total drug cost
$335,342
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 630 262 $10,661
Sucralfate Generic 352 164 $16,694
Omeprazole Generic 187 76 $2,412
Cholestyramine (Cholestyramine (With Sugar)) Brand 99 47 $7,528
Dicyclomine Hcl Generic 77 34 $1,990
Famotidine Generic 73 28 $940
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 71 28 $2,311
Linzess (Linaclotide) Brand 52 18 $39,584
Ursodiol Generic 51 19 $26,806
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 49 47 $802

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kostas Sideridis's medical specialty?
Dr. Kostas Sideridis practices Gastroenterology Physician in Syosset, NY.
Where does Dr. Kostas Sideridis practice?
Dr. Kostas Sideridis practices at 237 Jericho Turnpike, Syosset, NY 11791. Office phone: 5165846400.
What is Dr. Kostas Sideridis's NPI?
Dr. Kostas Sideridis's National Provider Identifier (NPI) is 1003913682, issued by NPPES.
Does Dr. Kostas Sideridis accept Medicare assignment?
Yes. Dr. Kostas Sideridis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kostas Sideridis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.