Medicare Enrolled

Dr. Aaron Bellows, M.D.

Gastroenterology · Princeton, NJ
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
Low-engagement
731 ALEXANDER RD, Princeton, NJ 08540
6099241422
In practice since 2011 (15 years)
NPI: 1689964546 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Bellows from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Bellows

Dr. Aaron Bellows is a gastroenterology specialist in Princeton, NJ, with 15 years of NPI registration. Based on federal Medicare data, Dr. Bellows performed 483 Medicare services across 449 unique beneficiaries.

Between the years covered by Open Payments, Dr. Bellows received a total of $6,481 from 45 pharmaceutical and/or device companies across 454 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in gastroenterology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Bellows is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 15 years in practice ▲ 483 Medicare services $6,481 industry payments

Medicare Practice Summary

Medicare Utilization ↗
483
Medicare services
Bottom 29% in NJ for gastroenterology
Lower Medicare volume may reflect subspecialty focus, hospital-based work, or a higher share of non-Medicare patients.
449
Unique beneficiaries
$112
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~32 Medicare services per year of practice

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
120 $103 $349
Colonoscopy with biopsy
A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease.
88 $139 $1,815
Office visit, established patient (20-29 min)
An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition.
71 $65 $235
Upper GI endoscopy with biopsy
A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities.
68 $109 $1,595
New patient office visit (45-59 min)
An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter.
43 $140 $440
New patient office visit (30-44 min)
An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range.
33 $70 $352
Colon polyp removal with endoscopic snare
This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination.
27 $227 $1,898
Hospital follow-up visit, moderate complexity
Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service.
18 $69 $230
Initial hospital admission, moderate complexity
Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter.
15 $114 $438
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.

Industry Payment Transparency

Open Payments through 2024 ↗
$6,481
Total received (2018-2024)
Avg $926/year across 7 years
Top 22% in NJ for gastroenterology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
45
Companies
454
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →

Payment profile

Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.

Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$6,467 (99.8%)
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$15 (0.2%)

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$1,322
2023
$1,360
2022
$962
2021
$496
2020
$231
2019
$1,056
2018
$1,055

Payments by company (2024)

Consulting
Speaking
Meals & Travel
Research
ABBVIE INC.
$295
PFIZER INC.
$144
Takeda Pharmaceuticals U.S.A., Inc.
$137
Lilly USA, LLC
$117
Janssen Biotech, Inc.
$89
IRONWOOD PHARMACEUTICALS, INC
$85
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$61
QOL Medical, LLC
$56
Braintree Laboratories, Inc.
$46
Celgene Corporation
$45
Ipsen Biopharmaceuticals, Inc
$44
Phathom Pharmaceuticals, Inc.
$42
Ardelyx, Inc.
$38
Madrigal Pharmaceuticals
$35
Gilead Sciences, Inc.
$34
GENZYME CORPORATION
$21
Boehringer Ingelheim Pharmaceuticals, Inc.
$17
Celltrion USA Inc.
$15
Top 3 companies account for 43.6% of 2024 payments
All-time payments by company (2018-2024) ›
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$822
AbbVie Inc.
$627
Janssen Biotech, Inc.
$610
AbbVie, Inc.
$607
Takeda Pharmaceuticals U.S.A., Inc.
$605
ABBVIE INC.
$530
PFIZER INC.
$280
Ironwood Pharmaceuticals, Inc
$266
Braintree Laboratories, Inc.
$242
QOL Medical, LLC
$158
Ardelyx, Inc.
$154
Allergan Inc.
$149
Boston Scientific Corporation
$119
Lilly USA, LLC
$117
Celgene Corporation
$115
Nestle HealthCare Nutrition Inc.
$102
IRONWOOD PHARMACEUTICALS, INC
$98
Intercept Pharmaceuticals, Inc.
$65
Merck Sharp & Dohme LLC
$60
Ferring Pharmaceuticals Inc.
$59
Synergy Pharmaceuticals Inc
$57
Fresenius Kabi USA, LLC
$51
Regeneron Healthcare Solutions, Inc.
$49
UCB, Inc.
$48
Ipsen Biopharmaceuticals, Inc
$44
Phathom Pharmaceuticals, Inc.
$42
Amgen Inc.
$39
Madrigal Pharmaceuticals
$35
Gilead Sciences, Inc.
$34
NESTLE HEALTHCARE NUTRITION INC.
$32
Alfasigma USA, Inc.
$28
Endo Pharmaceuticals Inc.
$27
Merck Sharp & Dohme Corporation
$27
Ethicon US, LLC
$22
GENZYME CORPORATION
$21
Boehringer Ingelheim Pharmaceuticals, Inc.
$17
Mauna Kea Technologies, Inc.
$15
Celltrion USA Inc.
$15
W. L. Gore & Associates, Inc.
$14
INTERCEPT PHARMACEUTICALS, INC.
$14
Medtronic, Inc.
$13
Shire North American Group Inc
$13
RedHill Biopharma Inc.
$13
Daiichi Sankyo Inc.
$12
Otsuka America Pharmaceutical, Inc.
$12
Top 3 companies account for 31.8% of all-time payments
Associated products mentioned in payments ›
AMJEVITA · APRISO · Amitiza · BREATHTEK · Bylvay · CLENPIQ · CREON · CYLTEZO · Cimzia · Creon · DIFICID · DUPIXENT · Dexilant · ENTYVIO · EXALT Model D · Entyvio · GATTEX · GI GENIUS · GORE CARDIOFORM Septal Occluder · HUMIRA · Humira · IBSRELA · IDACIO · IQIRVO · LINX Reflux Management System · LINZESS · Linzess · MOTEGRITY · Mavyret · Motegrity · Movantik · NASCOBAL · OCALIVA · OMVOH · RELISTOR · RELISTOR ORAL · REMICADE · RESMETIROM · RINVOQ · SKYRIZI · STELARA · SUCRAID · SUFLAVE · SUPREP · SUPREP BOWEL PREP · SUTAB · Sucraid · TREMFYA · TRULANCE · Talicia · Trintellix · Trulance · UCERIS · UCERIS TABLETS · VELSIPITY · VIBERZI · VOQUEZNA · VOWST · XELJANZ · XIFAXAN · XIFAXANIBSD · ZENPEP · ZEPOSIA · ZYMFENTRA
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →

Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.

Looking for a gastroenterology specialist in Princeton?
Compare gastroenterologists in the Princeton area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Gastroenterologists within 10 mi
147
Per 100K population
38.4
County median income
$96,333
Nearest hospital
UNIVERSITY MEDICAL CENTER OF PRINCETON AT PLAINSBORO
4.3 mi

Data Sources

Provider Registry NPPES Weekly updates
Medicare Enrollment PECOS Monthly updates
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not public N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Bellows is a clinical cardiology specialist, with moderate Medicare volume, with low-engagement industry engagement, with 15 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Bellows experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Bellows performed 120 office visit, established patient (30-39 min) services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Bellows receive payments from pharmaceutical companies?
Yes. Dr. Bellows received a total of $6,481 from 45 companies across 454 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Bellows's costs compare to other gastroenterologists in Princeton?
Dr. Bellows's average Medicare payment per service is $112. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Bellows) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
About this page

All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →