Doctor profile · Federal record

Dr. Nassim El Hajj, MD

Gastroenterology Physician (CMS: Gastroenterology) · Jacksonville, FL

  • NPI 1073719688
  • Accepts Medicare
  • MIPS 77.2 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3627 University Blvd. South, Suite 705
Jacksonville, FL 32216
(904) 398-6718
fax (904) 396-0329
Mailing address
4800 Belfort Road
Jacksonville, FL 322566004

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
May 20, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Florida #ME 99733
Medicaid
FL #000086200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073719688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
681
Distinct HCPCS
10
Medicare allowed
$89,987
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 176 129 $126
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 105 104 $239
99213 Established patient office or other outpatient visit, 20-29 minutes 54 52 $89
99204 New patient office or other outpatient visit, 45-59 minutes 52 52 $164
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 51 51 $96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 47 25 $79
45380 Biopsy of large bowel using a flexible endoscope 46 46 $93
99202 New patient office or other outpatient visit, 15-29 minutes 36 36 $72
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $112
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $128

In context: peer comparison

Among 44 peers in Jacksonville Gastroenterology Physician, average services per provider: 115. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$454
Transactions
21
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 10 $160.45
Qol Medical, LLC 3 $110.73
Madrigal Pharmaceuticals 2 $54.45
Genzyme Corporation 2 $35.50
Merck Sharp & Dohme LLC 1 $28.90
Gilead Sciences, INC. 1 $28.73
Enterra Medical, INC. 1 $20.01
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $15.37

By nature of payment

Food and Beverage
$415
Education
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
749
Patients
306
Total drug cost
$121,470
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 214 78 $3,444
Omeprazole Generic 206 86 $3,525
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 79 74 $1,214
Sucralfate Generic 50 20 $4,184
Mesalamine Generic 41 0 $27,315
Linzess (Linaclotide) Brand 24 0 $22,275
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 23 23 $346
Lansoprazole Generic 20 0 $282
Zenpep (Lipase/Protease/Amylase) Brand 17 0 $48,131
Movantik (Naloxegol Oxalate) Brand 15 0 $7,201

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nassim El Hajj's medical specialty?
Dr. Nassim El Hajj practices Gastroenterology Physician in Jacksonville, FL.
Where does Dr. Nassim El Hajj practice?
Dr. Nassim El Hajj practices at 3627 University Blvd. South, Jacksonville, FL 32216. Office phone: 9043986718.
What is Dr. Nassim El Hajj's NPI?
Dr. Nassim El Hajj's National Provider Identifier (NPI) is 1073719688, issued by NPPES.
Does Dr. Nassim El Hajj accept Medicare assignment?
Yes. Dr. Nassim El Hajj accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nassim El Hajj commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.