Doctor profile · Federal record
Dr. Thomas Fiest, D.O.
Gastroenterology Physician (CMS: Gastroenterology) · Eatontown, NJ
- NPI 1265533772
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
142 Route 35 South
Eatontown, NJ 07724
(732) 389-5004
fax (732) 389-1850
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 15, 2009
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #MB50586
- Medicaid
- NJ #2283107
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265533772. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,188
Distinct HCPCS
10
Medicare allowed
$158,392
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 236 | 198 | $138 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 178 | 170 | $105 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 152 | 129 | $98 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 140 | 137 | $94 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 104 | 103 | $263 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 79 | 79 | $178 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 69 | 55 | $83 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 65 | 65 | $122 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 56 | 56 | $188 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 28 | $139 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 69. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$692
Transactions
33
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 11 | $192.91 | |
| Janssen Biotech, Inc. | 1 | $125.00 | |
| GENZYME CORPORATION | 5 | $103.33 | |
| ABBVIE INC. | 6 | $99.90 | |
| Madrigal Pharmaceuticals | 4 | $67.18 | |
| Celgene Corporation | 2 | $30.05 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $21.34 | |
| IRONWOOD PHARMACEUTICALS, INC | 1 | $19.69 | |
| Merck Sharp & Dohme LLC | 1 | $19.02 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $13.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,281
Patients
536
Total drug cost
$163,942
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 325 | 104 | $7,011 |
| Pantoprazole Sodium | Generic | 293 | 114 | $4,342 |
| Omeprazole | Generic | 158 | 58 | $2,711 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) | Brand | 117 | 114 | $9,263 |
| Esomeprazole Magnesium | Generic | 74 | 18 | $9,653 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 57 | 55 | $1,041 |
| Colestipol Hcl | Generic | 55 | 18 | $3,182 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 36 | 0 | $15,719 |
| Ursodiol | Generic | 30 | 0 | $7,319 |
| Mesalamine | Generic | 29 | 0 | $44,869 |
Frequently asked questions
What is Dr. Thomas Fiest's medical specialty?
Dr. Thomas Fiest practices Gastroenterology Physician in Eatontown, NJ.
Where does Dr. Thomas Fiest practice?
Dr. Thomas Fiest practices at 142 Route 35 South, Eatontown, NJ 07724. Office phone: 7323895004.
What is Dr. Thomas Fiest's NPI?
Dr. Thomas Fiest's National Provider Identifier (NPI) is 1265533772, issued by NPPES.
Does Dr. Thomas Fiest accept Medicare assignment?
Yes. Dr. Thomas Fiest accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Fiest commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.