Doctor profile · Federal record
Dr. Paul Cassis, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Durham, NC
- NPI 1992191795
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
249 Nc-54 Ste 200
Durham, NC 27713
(919) 806-8322
fax (919) 433-0409
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- March 15, 2024
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- North Carolina #2022-01167
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1992191795. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
488
Distinct HCPCS
9
Medicare allowed
$45,651
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
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 | 149 | 143 | $5 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 98 | 96 | $229 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 74 | 55 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $152 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 32 | $119 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 29 | $102 | |
99153 |
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 24 | 18 | $10 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 22 | 22 | $48 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $104 |
In context: peer comparison
Among 21 peers in Durham Gastroenterology Physician, average services per provider: 124. This provider delivers 3.9× the peer median.Open Payments
Industry payments received
All-time total
$152
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 4 | $67.55 | |
| Abbvie INC. | 2 | $44.05 | |
| Janssen Biotech, INC. | 1 | $20.66 | |
| Phathom Pharmaceuticals, INC. | 1 | $19.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
274
Patients
142
Total drug cost
$25,904
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 67 | 28 | $1,148 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 59 | 55 | $941 |
| Pantoprazole Sodium | Generic | 32 | 15 | $389 |
| Mesalamine | Generic | 27 | 0 | $8,141 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 26 | 25 | $635 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 19 | 19 | $1,530 |
| Cholestyramine Light (Cholestyramine/Aspartame) | Brand | 15 | 0 | $2,249 |
| Sulfasalazine | Generic | 15 | 0 | $98 |
| Linzess (Linaclotide) | Brand | 14 | 0 | $10,774 |
Frequently asked questions
What is Dr. Paul Cassis's medical specialty?
Dr. Paul Cassis practices Gastroenterology Physician in Durham, NC.
Where does Dr. Paul Cassis practice?
Dr. Paul Cassis practices at 249 Nc-54 Ste 200, Durham, NC 27713. Office phone: 9198068322.
What is Dr. Paul Cassis's NPI?
Dr. Paul Cassis's National Provider Identifier (NPI) is 1992191795, issued by NPPES.
Does Dr. Paul Cassis accept Medicare assignment?
Yes. Dr. Paul Cassis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Cassis commonly perform?
Top Medicare-reported procedures in 2023: 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); 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.