Doctor profile · Federal record
Dr. Peter Brennan, MD
Gastroenterology Physician (CMS: Gastroenterology) · Ithaca, NY
- NPI 1780655118
- Accepts Medicare
- MIPS 92.3 / 100 · 2023
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2 Ascot Pl
Ithaca, NY 14850
(607) 339-0788
fax (607) 319-5529 - Additional location
-
2435 N Triphammer RD
Ithaca, NY 148501047
(607) 272-5011
fax (607) 272-5861
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- August 2, 2018
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #161989
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780655118. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
671
Distinct HCPCS
10
Medicare allowed
$63,115
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 116 | 91 | $86 | |
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 | 89 | 85 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 76 | 53 | $123 | |
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 | 53 | 51 | $6 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 48 | 47 | $94 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 44 | 44 | $236 | |
82272 |
Stool analysis for blood, by peroxidase activity | 32 | 31 | $4 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 27 | 26 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $161 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 24 | 24 | $97 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 45. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$552
Transactions
18
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 3 | $181.97 | |
| Madrigal Pharmaceuticals | 3 | $111.54 | |
| ABBVIE INC. | 2 | $46.07 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $42.17 | |
| PFIZER INC. | 2 | $35.96 | |
| Ferring Pharmaceuticals Inc. | 1 | $27.37 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 1 | $27.10 | |
| Alnylam Pharmaceuticals Inc. | 1 | $26.57 | |
| Ardelyx, Inc. | 1 | $23.63 | |
| Phathom Pharmaceuticals, Inc. | 1 | $15.94 | |
| AIMMUNE THERAPEUTICS, INC. | 1 | $14.02 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
335
Patients
98
Total drug cost
$57,577
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 65 | 26 | $760 |
| Omeprazole | Generic | 58 | 21 | $792 |
| Famotidine | Generic | 37 | 21 | $483 |
| Ursodiol | Generic | 25 | 0 | $6,145 |
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 17 | 17 | $312 |
| Mercaptopurine | Generic | 17 | 0 | $1,416 |
| Azathioprine | Generic | 16 | 0 | $814 |
| Creon (Lipase/Protease/Amylase) | Brand | 15 | 0 | $34,124 |
| Atorvastatin Calcium | Generic | 13 | 0 | $118 |
| Budesonide Dr (Budesonide) | Brand | 13 | 0 | $3,271 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Brennan's medical specialty?
Dr. Peter Brennan practices Gastroenterology Physician in Ithaca, NY.
Where does Dr. Peter Brennan practice?
Dr. Peter Brennan practices at 2 Ascot Pl, Ithaca, NY 14850. Office phone: 6073390788.
What is Dr. Peter Brennan's NPI?
Dr. Peter Brennan's National Provider Identifier (NPI) is 1780655118, issued by NPPES.
Does Dr. Peter Brennan accept Medicare assignment?
Yes. Dr. Peter Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); 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 (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.