Doctor profile · Federal record
Dr. Aaron Bellows, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Princeton, NJ
- NPI 1689964546
- Accepts Medicare
- MIPS 97.5 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
731 Alexander RD, Suite 100
Princeton, NJ 085406345
(609) 924-1422
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- September 23, 2014
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Jersey #25MA09442200
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689964546. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
483
Distinct HCPCS
9
Medicare allowed
$69,822
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 120 | 98 | $136 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 88 | 88 | $166 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 71 | 65 | $98 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 68 | 64 | $135 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 43 | 43 | $180 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 33 | 33 | $120 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 27 | 27 | $269 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 18 | 16 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 15 | 15 | $142 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 66. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$1,322
Transactions
74
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 20 | $295.50 | |
| PFIZER INC. | 8 | $144.01 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 7 | $137.06 | |
| Lilly USA, LLC | 6 | $117.47 | |
| Janssen Biotech, Inc. | 5 | $89.38 | |
| IRONWOOD PHARMACEUTICALS, INC | 4 | $84.69 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 4 | $61.37 | |
| QOL Medical, LLC | 3 | $55.51 | |
| Braintree Laboratories, Inc. | 3 | $46.23 | |
| Celgene Corporation | 3 | $44.77 | |
| Ipsen Biopharmaceuticals, Inc | 2 | $44.09 | |
| Phathom Pharmaceuticals, Inc. | 3 | $41.88 | |
| Ardelyx, Inc. | 2 | $38.18 | |
| Madrigal Pharmaceuticals | 2 | $35.33 | |
| Gilead Sciences, Inc. | 2 | $33.76 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
711
Patients
238
Total drug cost
$745,788
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 212 | 66 | $3,504 |
| Omeprazole | Generic | 105 | 42 | $1,348 |
| Sutab (Sod Sulf/Pot Chloride/Mag Sulf) | Brand | 79 | 77 | $12,875 |
| Famotidine | Generic | 67 | 29 | $1,128 |
| Linzess (Linaclotide) | Brand | 34 | 11 | $34,363 |
| Colesevelam Hcl | Generic | 32 | 13 | $3,337 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 29 | 0 | $11,982 |
| Esomeprazole Magnesium | Generic | 27 | 0 | $705 |
| Sucralfate | Generic | 25 | 0 | $1,677 |
| Lansoprazole | Generic | 21 | 0 | $702 |
Frequently asked questions
What is Dr. Aaron Bellows's medical specialty?
Dr. Aaron Bellows practices Gastroenterology Physician in Princeton, NJ.
Where does Dr. Aaron Bellows practice?
Dr. Aaron Bellows practices at 731 Alexander RD, Princeton, NJ 085406345. Office phone: 6099241422.
What is Dr. Aaron Bellows's NPI?
Dr. Aaron Bellows's National Provider Identifier (NPI) is 1689964546, issued by NPPES.
Does Dr. Aaron Bellows accept Medicare assignment?
Yes. Dr. Aaron Bellows accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Bellows commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.