Internal Medicine, Gastroenterology · Springfield, MO
NPI
1740493162
Since 2007
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
3901 S Fremont Ave
Springfield, MO, 65804
Phone (417) 875-3000
Groups this clinician bills Medicare through
Medicare paid, 2024
$64K
956 services
Medicare patients, 2024
384
Average age 70
Drug cost, 2024
$234K
1,389 prescriptions
Company payments, 2025
$1,230
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Dennis T Ng was code 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), 285 times for 262 patients. In total Dennis T Ng billed 956 services in 33 codes, and Medicare paid $64K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-01-15.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|---|---|---|---|---|
| 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 | Office | 285 | 262 | $3.64 | $1,037 |
| 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 | Facility | 78 | 67 | $3.75 | $293 |
| 45380 Lower GI Endoscopy - Other | Office | 73 | 73 | $95.35 | $6,960 |
| 99214 Office E&M - Established | Facility | 68 | 59 | $69.58 | $4,732 |
| 45385 Colonoscopy - Lesion Removal | Office | 66 | 66 | $195.83 | $13K |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Office | 54 | 54 | $157.20 | $8,489 |
| 43239 Upper GI Endoscopy | Office | 49 | 49 | $86.94 | $4,260 |
| 99213 Office E&M - Established | Facility | 38 | 37 | $34.99 | $1,330 |
| 43239 Upper GI Endoscopy | Facility | 30 | 30 | $72.30 | $2,169 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Office | 23 | 23 | $159.21 | $3,662 |
| 43248 Upper GI Endoscopy | Office | 20 | 20 | $111.38 | $2,228 |
| 45380 Lower GI Endoscopy - Other | Facility | 14 | 14 | $91.73 | $1,284 |
| 43249 Upper GI Endoscopy | Office | 14 | 13 | $102.26 | $1,432 |
| 45378 Lower GI Endoscopy - Other | Office | 13 | 13 | $130.25 | $1,693 |
| 74280 Standard X-ray | Office | 12 | 12 | $108.47 | $1,302 |
By year: 2022 $95K for 1,383 services; 2023 $53K for 819 services; 2024 $64K for 956 services.
Medicare prescription drug claims, 2024
In 2024, the drug Dennis T Ng prescribed most often to Medicare patients was Metoclopramide Hcl, with 597 prescriptions and refills. In total Dennis T Ng wrote 1,389 Medicare prescriptions that cost $234K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Metoclopramide Hcl Generic | 597 | 597 | 541 | $381 |
| Peg 3350-Electrolyte Sodium Chloride/Nahco3/Kcl/Peg | 441 | 441 | 407 | $10K |
| Gavilyte-N Sodium Chloride/Nahco3/Kcl/Peg | 80 | 80 | 74 | $1,223 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 48 | 48 | 46 | $839 |
| Mesalamine Generic | 23 | 47 | Under 11 | $12K |
| Ursodiol Generic | 19 | 21 | Under 11 | $1,984 |
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 18 | 18 | 16 | $401 |
| Azathioprine Generic | 16 | 23 | Under 11 | $508 |
| Peg3350-Sod Sul-Nacl-Kcl-Asb-C Peg3350/Sod Sul/Nacl/Kcl/Asb/C | 16 | 16 | 16 | $1,163 |
| Xifaxan Rifaximin | 13 | 13 | Under 11 | $42K |
| Sulfasalazine Dr Sulfasalazine | 13 | 33 | Under 11 | $887 |
| Humira(Cf) Pen Adalimumab | 12 | 12 | Under 11 | $143K |
Brand drugs: 236 claims; generic drugs: 1,153 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Dennis T Ng $1,230 ($1,230 in general payments such as food, travel and fees) from 8 companies. The largest payer was Abbvie Inc. with $432.
| Company | Payments | Amount |
|---|---|---|
| Abbvie Inc. ABBV | 11 | $432 |
| Janssen Biotech, Inc. JNJ | 2 | $141 |
| Gilead Sciences, Inc. GILD | 1 | $125 |
| Ardelyx, Inc. ARDX | 1 | $125 |
| Phathom Pharmaceuticals, Inc. PHAT | 1 | $122 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 1 | $122 |
| Madrigal Pharmaceuticals MDGL | 1 | $83.27 |
| Ipsen Biopharmaceuticals, Inc IPN.PA | 1 | $80.34 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.