Internal Medicine · San Francisco, CA
NPI
1538516141
Since 2016
Specialty
Internal Medicine
Code 207R00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
513 Parnassus Ave # 357
San Francisco, CA, 94143
Phone (617) 643-0596
Groups this clinician bills Medicare through
Medicare paid, 2024
$59K
356 services
Medicare patients, 2024
187
Average age 72
Drug cost, 2024
$28K
312 prescriptions
Company payments, 2025
$139
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David Nagle was code 45380 (lower gi endoscopy - other), 52 times for 52 patients. In total David Nagle billed 356 services in 55 codes, and Medicare paid $59K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-03-20.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 45380 Lower GI Endoscopy - Other | Office | 52 | 52 | $234.49 | $12K |
| 45385 Colonoscopy - Lesion Removal | Office | 49 | 49 | $402.09 | $20K |
| 99204 Office E&M - New | Office | 31 | 31 | $128.20 | $3,974 |
| 99214 Office E&M - Established | Office | 27 | 22 | $99.54 | $2,688 |
| 43239 Upper GI Endoscopy | Office | 19 | 18 | $277.81 | $5,278 |
| 82948 Clinical Chemistry | Office | 14 | 13 | $4.94 | $69.16 |
| 36415 Venipuncture Blood Collection | Office | 13 | 13 | $8.65 | $112 |
| 45385 Colonoscopy - Lesion Removal | Facility | 12 | 12 | $212.79 | $2,553 |
| 99215 Office E&M - Established | Office | 12 | 12 | $138.10 | $1,657 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Office | 11 | 11 | $346.67 | $3,813 |
By year: 2022 $8,749 for 52 services; 2023 $50K for 328 services; 2024 $59K for 356 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 82948 Clinical Chemistry | 14 | 13 | $4.94 | $69.16 |
| 36415 Venipuncture Blood Collection | 13 | 13 | $8.65 | $112 |
Medicare prescription drug claims, 2024
In 2024, the drug David Nagle prescribed most often to Medicare patients was Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl), with 81 prescriptions and refills. In total David Nagle wrote 312 Medicare prescriptions that cost $28K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Gavilyte-C Peg3350/Sod Sulf,bicarb,cl/Kcl | 81 | 81 | 80 | $1,344 |
| Peg3350-Sod Sul-Nacl-Kcl-Asb-C Peg3350/Sod Sul/Nacl/Kcl/Asb/C | 78 | 78 | 76 | $5,415 |
| Omeprazole Generic | 50 | 110 | 20 | $443 |
| Linzess Linaclotide | 16 | 18 | Under 11 | $9,500 |
| Sod Sulf-Potass Sulf-Mag Sulf Sodium, Potassium,mag Sulfates | 15 | 15 | 15 | $1,041 |
Brand drugs: 45 claims; generic drugs: 267 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David Nagle $139 ($139 in general payments such as food, travel and fees) from 1 company. The largest payer was Janssen Biotech, Inc. with $139.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 1 | $139 |
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.