Doctor profile · Federal record
Dr. Robert Pollack, MD
Gastroenterology Physician (CMS: Gastroenterology) · Knoxville, TN
- NPI 1497725089
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1819 W Clinch Ave, Suite 212
Knoxville, TN 379162434
(865) 523-6418
fax (865) 374-1079
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 17, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Tennessee #MD34023
- Medicaid
- TN #Q019270
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497725089. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
788
Distinct HCPCS
10
Medicare allowed
$98,627
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 131 | 110 | $116 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 103 | 102 | $230 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 91 | 91 | $87 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 86 | 85 | $112 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 72 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 60 | 60 | $154 | |
43450 |
Dilation of esophagus | 51 | 51 | $36 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | 47 | $93 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 40 | 40 | $163 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 35 | 35 | $160 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 176. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$2,357
Transactions
120
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 47 | $768.44 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 14 | $262.98 | |
| Janssen Biotech, Inc. | 11 | $214.17 | |
| Celgene Corporation | 9 | $173.46 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 9 | $139.40 | |
| Ardelyx, Inc. | 7 | $139.30 | |
| Lilly USA, LLC | 4 | $73.11 | |
| GENZYME CORPORATION | 3 | $71.40 | |
| Gilead Sciences, Inc. | 3 | $68.22 | |
| Boston Scientific Corporation | 1 | $67.46 | |
| Ferring Pharmaceuticals Inc. | 3 | $55.21 | |
| Merck Sharp & Dohme LLC | 2 | $52.47 | |
| PFIZER INC. | 3 | $49.43 | |
| AIMMUNE THERAPEUTICS, INC. | 2 | $34.35 | |
| Phathom Pharmaceuticals, Inc. | 2 | $30.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,187
Patients
589
Total drug cost
$936,429
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 341 | 139 | $5,467 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 152 | 149 | $3,935 |
| Famotidine | Generic | 89 | 37 | $1,969 |
| Linzess (Linaclotide) | Brand | 89 | 32 | $87,039 |
| Omeprazole | Generic | 87 | 35 | $1,408 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 77 | 77 | $1,314 |
| Dicyclomine Hcl | Generic | 57 | 25 | $1,101 |
| Sucralfate | Generic | 48 | 30 | $2,944 |
| Colestipol Hcl | Generic | 43 | 13 | $5,464 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 42 | 39 | $7,411 |
Frequently asked questions
What is Dr. Robert Pollack's medical specialty?
Dr. Robert Pollack practices Gastroenterology Physician in Knoxville, TN.
Where does Dr. Robert Pollack practice?
Dr. Robert Pollack practices at 1819 W Clinch Ave, Knoxville, TN 379162434. Office phone: 8655236418.
What is Dr. Robert Pollack's NPI?
Dr. Robert Pollack's National Provider Identifier (NPI) is 1497725089, issued by NPPES.
Does Dr. Robert Pollack accept Medicare assignment?
Yes. Dr. Robert Pollack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Pollack 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); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.