Internal Medicine, Gastroenterology · Charleston, SC
NPI
1972894376
Since 2011
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
171 Ashley Ave
Charleston, SC, 29425
Phone (843) 792-1414
Groups this clinician bills Medicare through
Medicare paid, 2024
$54K
538 services
Medicare patients, 2024
199
Average age 70
Drug cost, 2024
$8.5M
781 prescriptions
Company payments, 2025
$193K
From 10 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Erin M Forster was code 99214 (office e&m - established), 117 times for 74 patients. In total Erin M Forster billed 538 services in 51 codes, and Medicare paid $54K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2018-11-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 117 | 74 | $84.86 | $9,929 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 50 | 38 | $11.86 | $593 |
| 45380 Lower GI Endoscopy - Other | Facility | 42 | 38 | $74.10 | $3,112 |
| 43264 Upper GI Endoscopy | Facility | 30 | 18 | $46.21 | $1,386 |
| 99222 Hospital E&M - Initial | Facility | 30 | 30 | $97.72 | $2,932 |
| 43276 Upper GI Endoscopy | Facility | 26 | 12 | $341.68 | $8,884 |
| 43239 Upper GI Endoscopy | Facility | 21 | 21 | $58.86 | $1,236 |
| 99232 Hospital E&M - Subsequent | Facility | 21 | 14 | $58.92 | $1,237 |
| 43274 Upper GI Endoscopy | Facility | 17 | 15 | $332.94 | $5,660 |
| 45385 Colonoscopy - Lesion Removal | Facility | 17 | 16 | $132.96 | $2,260 |
By year: 2022 $82K for 693 services; 2023 $57K for 676 services; 2024 $54K for 538 services.
Medicare prescription drug claims, 2024
In 2024, the drug Erin M Forster prescribed most often to Medicare patients was Stelara (Ustekinumab), with 130 prescriptions and refills. In total Erin M Forster wrote 781 Medicare prescriptions that cost $8.5M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Stelara Ustekinumab | 130 | 203 | 27 | $4.8M |
| Skyrizi On-Body Risankizumab-Rzaa | 92 | 143 | 24 | $1.8M |
| Rinvoq Upadacitinib | 66 | 80 | Under 11 | $587K |
| Humira(Cf) Pen Adalimumab | 63 | 67 | Under 11 | $754K |
| Mesalamine Generic | 31 | 58 | 11 | $9,107 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 29 | 32 | 13 | $698 |
| Sodium Chloride 0.9 % Sodium Chloride | 28 | 28 | Under 11 | $256 |
| Vitamin D2 Ergocalciferol (Vitamin D2) | 21 | 39 | Under 11 | $235 |
| Creon Lipase/Protease/Amylase | 20 | 26 | Under 11 | $58K |
| Methotrexate Methotrexate Sodium | 16 | 21 | Under 11 | $216 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 14 | 14 | 13 | $288 |
| Pantoprazole Sodium Generic | 14 | 34 | Under 11 | $596 |
| Ciprofloxacin Hcl Generic | 13 | 13 | Under 11 | $33.77 |
| Opium Tincture Generic | 11 | 11 | Under 11 | $2,631 |
| Ursodiol Generic | 11 | 27 | Under 11 | $1,963 |
Brand drugs: 476 claims; generic drugs: 293 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Erin M Forster $193K ($193K in general payments such as food, travel and fees) from 10 companies. The largest payer was Abbvie Inc. with $65K.
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.