Physician Profile
Unclaimed ProfileAbout BELLOWS
Aaron Bellows, M.D. practices gastroenterology in Princeton, NJ. According to Medicare claims data, Aaron cared for 607 Medicare patients across 686 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Bellows specialize in?
Dr. Bellows is a gastroenterology in Princeton, NJ. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Bellows located?
Dr. Bellows is listed at 731 ALEXANDER RD SUITE 100, Princeton, NJ 08540. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Bellows's phone number?
The number on file is (609) 924-1422. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Bellows's NPI number?
Dr. Bellows's National Provider Identifier is 1689964546. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Bellows go to medical school?
Dr. Bellows attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Bellows been practicing?
Dr. Bellows has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Bellows do most often?
According to Medicare billing data, Dr. Bellows performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Bellows confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Bellows. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (609) 924-1422
- Email not available
Practice Locations
731 ALEXANDER RD SUITE 100
Princeton, NJ 08540
Procedures Most Often Billed to Medicare
686 services · 607 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
94 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
82 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
49 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
228 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
72 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
46 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
28 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
28 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
21 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 26 related providers in 4 groups
Other gastroenterology specialists in Princeton 2
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in NJ who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.