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Edit this profileAt a glance
- 1517 Voorhies Ave, Ground Floor, Brooklyn, NY 11235
About Dr. Brun
Based in Brooklyn, NY, Alexander Brun, MD is listed in the NPI registry under gastroenterology. According to Medicare claims data, Alexander cared for 691 Medicare patients across 877 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and infusion into a vein for hydration, 31-60 minutes. NPI 1164735072 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (718) 332-0600
- Email not available
Practice Locations
1517 VOORHIES AVE GROUND FLOOR
Brooklyn, NY 11235
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
877 services · 691 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
81 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
61 | More often than most peers in Gastroenterology |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
28 | As often as other peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
20 | Less often than most peers in Gastroenterology |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
16 | As often as other peers in Gastroenterology |
| Infusion into a vein for hydration, 31-60 minutes | Treatment | 96360 |
125 | Too few peers to compare |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
21 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
219 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
176 | More often than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
92 | More often than most peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other gastroenterologists in Brooklyn 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Dr. Brun's specialty?
Dr. Brun is a gastroenterologist in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Brun?
Dr. Brun is listed at 1517 Voorhies Ave Ground Floor, Brooklyn, NY 11235. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Brun?
The number on file is (718) 332-0600. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Brun's NPI number?
Dr. Brun's National Provider Identifier is 1164735072. 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
What is Dr. Brun's medical education?
Dr. Brun attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Brun been practicing?
Dr. Brun has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Brun known for?
According to Medicare billing data, Dr. Brun performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and insertion of needle into vein for collection of blood sample; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity; provides treatments such as infusion into a vein for hydration, 31-60 minutes and measurement of hydrogen in breath to test for stomach and bowel symptoms, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Brun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Brun. If this is you, claiming it is free.
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