Shireen Gadallah, M.D.
NPI 1700983863 · Gastroenterology Physician · Melbourne, FL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shireen Gadallah, M.D. is a Gastroenterology Physician provider in Melbourne, FL (NPI 1700983863).
Provider details
- NPI number
- 1700983863
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- ME79573 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,057 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 596 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 121 | $163 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 113 | $89 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 69 | $154 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 46 | $248 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 288 | 103 |
| Omeprazole | 108 | 38 |
| Metoclopramide Hcl | 85 | 24 |
| Famotidine | 77 | — |
| Tirzepatidebrand: Mounjaro | 56 | — |
| Ondansetronbrand: Ondansetron Odt | 44 | 16 |
| Lipase/Protease/Amylasebrand: Zenpep | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,488 across 79 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shireen Gadallah's NPI number?
- Shireen Gadallah's National Provider Identifier (NPI) is 1700983863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shireen Gadallah's specialty?
- Shireen Gadallah is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Shireen Gadallah located?
- Shireen Gadallah's practice location on file with NPPES is 25 Silver Palm Ave, Melbourne, FL 32901-3177.
- What is Shireen Gadallah's phone number?
- The practice phone number listed in the NPPES registry for Shireen Gadallah is (321) 725-4150.
- Does Shireen Gadallah accept Medicare?
- Shireen Gadallah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shireen Gadallah's NPI active?
- Yes — Shireen Gadallah's NPI (1700983863) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.