Physician Profile
Jeffrey S. Weiser, MD is a healthcare provider in Farmington, CT specializing in gastroenterology. Jeffrey trained at Icahn School of Medicine at Mount Sinai, graduating in 1992. Medicare claims data shows Jeffrey provided 9,763 services to 412 patients. The services billed most often include injection, vedolizumab, intravenous, 1 mg, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
21 SOUTH RD STE 100
Farmington, CT 06032
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.
Most searched conditions
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
9,763 services · 412 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
64 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
48 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
40 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
14 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
38 |
| Injection, vedolizumab, intravenous, 1 mg | Drug given | J3380 |
9,300 |
| Infusion, normal saline solution, 250 cc | Drug given | J7050 |
52 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
62 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
51 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
35 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Weiser is a gastroenterologist in Farmington, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Dr. Weiser is listed at 21 South Rd Ste 100, Farmington, CT 06032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (860) 409-4567. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Weiser's National Provider Identifier is 1437253051. 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
Dr. Weiser attended Icahn School of Medicine at Mount Sinai, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Weiser has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Weiser 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 removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Weiser. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.