Internal Medicine, Gastroenterology · Ames, IA
NPI
1285844142
Since 2007
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
1215 Duff Avenue, McFarland Clinic. PC
Ames, IA, 50010
Phone (515) 239-4450
Groups this clinician bills Medicare through
Medicare paid, 2024
$134K
2,009 services
Medicare patients, 2024
698
Average age 73
Drug cost, 2024
$213K
1,504 prescriptions
Company payments, 2025
$22.34
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Jeremy Fields 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), 597 times for 542 patients. In total Jeremy Fields billed 2,009 services in 65 codes, and Medicare paid $134K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-11-11.
| 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 | Facility | 597 | 542 | $3.64 | $2,175 |
| 45385 Colonoscopy - Lesion Removal | Facility | 278 | 274 | $181.58 | $50K |
| 99214 Office E&M - Established | Office | 97 | 82 | $86.55 | $8,396 |
| 36415 Venipuncture Blood Collection | Office | 90 | 61 | $8.65 | $779 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 66 | 66 | $164.72 | $11K |
| 99231 Hospital E&M - Subsequent | Facility | 65 | 36 | $35.62 | $2,315 |
| 85025 Blood Count | Office | 61 | 39 | $7.61 | $464 |
| 43239 Upper GI Endoscopy | Facility | 57 | 56 | $64.91 | $3,700 |
| 43235 Upper GI Endoscopy | Facility | 57 | 54 | $77.33 | $4,408 |
| 80053 Clinical Chemistry | Office | 56 | 37 | $10.21 | $572 |
| 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 | 55 | 47 | $11.93 | $656 |
| 99213 Office E&M - Established | Office | 55 | 51 | $50.86 | $2,797 |
| 99222 Hospital E&M - Initial | Facility | 48 | 42 | $95.07 | $4,563 |
| 99204 Office E&M - New | Office | 41 | 41 | $120.22 | $4,929 |
| 45380 Lower GI Endoscopy - Other | Facility | 39 | 39 | $90.13 | $3,515 |
By year: 2022 $124K for 1,923 services; 2023 $120K for 1,784 services; 2024 $134K for 2,009 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 90 | 61 | $8.65 | $779 |
| 85025 Blood Count | 61 | 39 | $7.61 | $464 |
| 80053 Clinical Chemistry | 56 | 37 | $10.21 | $572 |
| 80076 Clinical Chemistry | 20 | 11 | $8.01 | $160 |
Medicare prescription drug claims, 2024
In 2024, the drug Jeremy Fields prescribed most often to Medicare patients was Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates), with 400 prescriptions and refills. In total Jeremy Fields wrote 1,504 Medicare prescriptions that cost $213K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 400 | 400 | 390 | $26K |
| Omeprazole Generic | 271 | 507 | 64 | $3,114 |
| Balsalazide Disodium Generic | 81 | 131 | 15 | $6,996 |
| Gavilyte-G Peg3350/Sod Sulf,bicarb,cl/Kcl | 81 | 81 | 79 | $1,072 |
| Colestipol Hcl Generic | 71 | 103 | 17 | $8,327 |
| Mesalamine Generic | 63 | 98 | 17 | $33K |
| Budesonide Dr Budesonide | 54 | 74 | 15 | $15K |
| Pantoprazole Sodium Generic | 47 | 101 | 13 | $486 |
| Azathioprine Generic | 44 | 66 | Under 11 | $1,119 |
| Ursodiol Generic | 40 | 75 | Under 11 | $4,578 |
| Spironolactone Generic | 40 | 50 | Under 11 | $254 |
| Peg-3350 And Electrolytes Peg3350/Sod Sulf,bicarb,cl/Kcl | 33 | 33 | 32 | $490 |
| Esomeprazole Magnesium Generic | 29 | 31 | Under 11 | $1,705 |
| Furosemide Generic | 28 | 35 | Under 11 | $40.9 |
| Prednisone Generic | 27 | 38 | Under 11 | $112 |
Brand drugs: 184 claims; generic drugs: 1,320 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Jeremy Fields $22.34 ($22.34 in general payments such as food, travel and fees) from 1 company. The largest payer was Micro-tech Endoscopy USA, Inc. with $22.34.
| Company | Payments | Amount |
|---|---|---|
| Micro-tech Endoscopy USA, Inc. | 1 | $22.34 |
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.