Doctor profile · Federal record
Dr. Ziad Gellad, MD, MPH
Internal Medicine Physician · Durham, NC
- NPI 1447421664
- 18 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Duke University Medical Center, Box 3913
Durham, NC 277100001
(919) 286-0411
Credentials & registration
- NPI registered
- March 2008 — 18 yrs on file
- Profile last updated
- April 20, 2012
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- North Carolina #2006-01065
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447421664. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
99
Distinct HCPCS
5
Medicare allowed
$11,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | 28 | $114 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 19 | 19 | $5 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $127 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 16 | $96 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 16 | 16 | $238 |
In context: peer comparison
Among 102 peers in Durham Internal Medicine Physician, average services per provider: 72. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$1,678
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 2 | $1,677.50 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
119
Patients
40
Total drug cost
$2,919
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 93 | 40 | $2,463 |
| Esomeprazole Magnesium | Generic | 13 | 0 | $136 |
| Pantoprazole Sodium | Generic | 13 | 0 | $319 |
Frequently asked questions
What is Dr. Ziad Gellad's medical specialty?
Dr. Ziad Gellad practices Internal Medicine Physician in Durham, NC.
Where does Dr. Ziad Gellad practice?
Dr. Ziad Gellad practices at Duke University Medical Center, Durham, NC 277100001. Office phone: 9192860411.
What is Dr. Ziad Gellad's NPI?
Dr. Ziad Gellad's National Provider Identifier (NPI) is 1447421664, issued by NPPES.
What procedures does Dr. Ziad Gellad commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.