Internal Medicine, Gastroenterology · Charlotte, NC
NPI
1316965726
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
5
Medicare group memberships
Hospitals
3
Hospital affiliations
101 E Wt Harris Blvd Ste 3111
Charlotte, NC, 28262
Phone (704) 547-8818
Groups this clinician bills Medicare through
Medicare paid, 2024
$195K
2,463 services
Medicare patients, 2024
665
Average age 73
Drug cost, 2024
$2.5M
4,307 prescriptions
Company payments, 2025
$255
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Glen L Portwood was code 99439 (chronic, principal, and transitional care management), 676 times for 89 patients. In total Glen L Portwood billed 2,463 services in 44 codes, and Medicare paid $195K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2017-05-04.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99439 Chronic, Principal, and Transitional Care Management | Office | 676 | 89 | $38.71 | $26K |
| 99490 Chronic, Principal, and Transitional Care Management | Office | 391 | 92 | $50.49 | $20K |
| 99214 Office E&M - Established | Office | 370 | 249 | $85.42 | $32K |
| 43239 Upper GI Endoscopy | Facility | 207 | 202 | $61.89 | $13K |
| 45385 Colonoscopy - Lesion Removal | Facility | 139 | 138 | $207.70 | $29K |
| 99204 Office E&M - New | Office | 133 | 133 | $115.58 | $15K |
| 45380 Lower GI Endoscopy - Other | Facility | 99 | 99 | $110.42 | $11K |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 79 | 79 | $180.65 | $14K |
| 99231 Hospital E&M - Subsequent | Facility | 65 | 43 | $39.16 | $2,545 |
| 43248 Upper GI Endoscopy | Facility | 54 | 52 | $105.26 | $5,684 |
| 99221 Hospital E&M - Initial | Facility | 36 | 35 | $66.37 | $2,389 |
| 99232 Hospital E&M - Subsequent | Facility | 34 | 26 | $63.23 | $2,150 |
| 99222 Hospital E&M - Initial | Facility | 32 | 32 | $98.13 | $3,140 |
| 45378 Lower GI Endoscopy - Other | Facility | 18 | 18 | $138.05 | $2,485 |
By year: 2022 $180K for 1,740 services; 2023 $178K for 1,760 services; 2024 $195K for 2,463 services.
Medicare prescription drug claims, 2024
In 2024, the drug Glen L Portwood prescribed most often to Medicare patients was Pantoprazole Sodium, with 938 prescriptions and refills. In total Glen L Portwood wrote 4,307 Medicare prescriptions that cost $2.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 938 | 2,374 | 338 | $9,980 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 449 | 460 | 441 | $29K |
| Bethanechol Chloride Generic | 304 | 711 | 108 | $17K |
| Omeprazole Generic | 287 | 800 | 104 | $4,828 |
| Dicyclomine Hcl Generic | 270 | 552 | 97 | $6,261 |
| Famotidine Generic | 147 | 374 | 50 | $2,668 |
| Esomeprazole Magnesium Generic | 138 | 326 | 44 | $9,939 |
| Creon Lipase/Protease/Amylase | 130 | 182 | 33 | $544K |
| Linzess Linaclotide | 101 | 208 | 34 | $110K |
| Ondansetron Odt Ondansetron | 95 | 103 | 40 | $1,349 |
| Metoclopramide Hcl Generic | 92 | 145 | 29 | $522 |
| Colestipol Hcl Generic | 86 | 181 | 32 | $7,751 |
| Sucralfate Generic | 83 | 118 | 33 | $3,200 |
| Xifaxan Rifaximin | 76 | 86 | 26 | $248K |
| Sutab Sod Sulf/Pot Chloride/Mag Sulf | 68 | 68 | 66 | $11K |
Brand drugs: - claims; generic drugs: 3,482 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Glen L Portwood $255 ($255 in general payments such as food, travel and fees) from 7 companies. The largest payer was Madrigal Pharmaceuticals with $82.82.
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.