Doctor profile · Federal record

Dr. Shireen Gadallah, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Melbourne, FL

  • NPI 1700983863
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 39 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
25 Silver Palm Ave, Suite B
Melbourne, FL 329013177
(321) 725-4150
fax (321) 733-1335

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Florida #ME79573
Medicaid
FL #256496300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700983863. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,084
Distinct HCPCS
10
Medicare allowed
$147,447
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 580 304 $125
99204 New patient office or other outpatient visit, 45-59 minutes 130 130 $164
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 98 94 $90
45380 Biopsy of large bowel using a flexible endoscope 76 76 $146
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 51 51 $241
76981 Ultrasound scan of organ tissue for measuring elasticity 39 39 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 31 28 $88
99215 Established patient office or other outpatient visit, 40-54 minutes 25 24 $175
45378 Diagnostic exam of large bowel using a flexible endoscope 17 17 $184
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 15 15 $183

In context: peer comparison

Among 11 peers in this city , average services per provider: 73. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,488
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 25 $451.18
PFIZER INC. 25 $315.76
Axonics, Inc. 4 $169.16
Phathom Pharmaceuticals, Inc. 5 $134.41
GENZYME CORPORATION 3 $76.65
Janssen Biotech, Inc. 4 $67.68
Regeneron Healthcare Solutions, Inc. 2 $48.68
Takeda Pharmaceuticals U.S.A., Inc. 2 $44.98
Intercept Pharmaceuticals, Inc. 2 $39.84
Enterra Medical, Inc. 2 $33.93
Merck Sharp & Dohme LLC 1 $23.99
Ipsen Biopharmaceuticals, Inc 1 $23.05
Gilead Sciences, Inc. 1 $22.72
Medtronic, Inc. 1 $19.35
Ferring Pharmaceuticals Inc. 1 $16.50

By nature of payment

Food and Beverage
$1,488

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
798
Patients
209
Total drug cost
$83,159
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 272 98 $5,862
Omeprazole Generic 102 33 $1,940
Metoclopramide Hcl Generic 81 30 $1,043
Famotidine Generic 74 0 $885
Lorazepam Generic 35 0 $1,033
Dexlansoprazole Dr (Dexlansoprazole) Brand 32 0 $15,955
Prednisone Generic 32 12 $191
Ondansetron Odt (Ondansetron) Brand 30 16 $2,385
Metronidazole Generic 28 20 $202
Alprazolam Generic 23 0 $175

Frequently asked questions

Auto-generated from federal data
What is Dr. Shireen Gadallah's medical specialty?
Dr. Shireen Gadallah practices Gastroenterology Physician in Melbourne, FL.
Where does Dr. Shireen Gadallah practice?
Dr. Shireen Gadallah practices at 25 Silver Palm Ave, Melbourne, FL 329013177. Office phone: 3217254150.
What is Dr. Shireen Gadallah's NPI?
Dr. Shireen Gadallah's National Provider Identifier (NPI) is 1700983863, issued by NPPES.
Does Dr. Shireen Gadallah accept Medicare assignment?
Yes. Dr. Shireen Gadallah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shireen Gadallah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.