Doctor profile · Federal record
Dr. David Nagle, MD
Internal Medicine Physician (CMS: Gastroenterology) · Internal Medicine Physician · San Francisco, CA
- NPI 1538516141
- Accepts Medicare
- 10 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
513 Parnassus Ave # 357
San Francisco, CA 941432205
(617) 643-0596
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- March 20, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #267437 · California #A162707
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538516141. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
197
Distinct HCPCS
10
Medicare allowed
$49,571
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 35 | 35 | $289 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 31 | 31 | $515 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $180 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $136 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 15 | 15 | $238 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 15 | 15 | $372 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 13 | 13 | $77 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 11 | $365 | |
82948 |
Blood glucose (sugar) measurement using reagent strip | 12 | 12 | $5 | |
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 | 12 | 12 | $5 |
In context: peer comparison
Among 236 peers in San Francisco Internal Medicine Physician, average services per provider: 93. This provider delivers 2.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
156
Patients
139
Total drug cost
$5,069
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 94 | 92 | $1,789 |
| Peg3350-Sod Sul-Nacl-Kcl-Asb-C (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 36 | 34 | $2,690 |
| Omeprazole | Generic | 26 | 13 | $591 |
Hospital affiliations
Frequently asked questions
What is Dr. David Nagle's medical specialty?
Dr. David Nagle practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. David Nagle practice?
Dr. David Nagle practices at 513 Parnassus Ave # 357, San Francisco, CA 941432205. Office phone: 6176430596.
What is Dr. David Nagle's NPI?
Dr. David Nagle's National Provider Identifier (NPI) is 1538516141, issued by NPPES.
Does Dr. David Nagle accept Medicare assignment?
Yes. Dr. David Nagle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Nagle commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.