Constantine Yiachos, M.D. is a healthcare provider in Staten Island, NY specializing in gastroenterology. Constantine trained at State University of New York Downstate Medical Center, graduating in 1985. Medicare claims data shows Constantine provided 761 services to 712 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
129 SLOSSON AVE
Staten Island, NY 10314
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.
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Inflammatory and immune
Liver
Stomach and duodenum
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Liver procedures
761 services · 712 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
38 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
33 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
25 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
21 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
17 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
15 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
14 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
286 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
115 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
111 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Yiachos is a gastroenterology in Staten Island, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Dr. Yiachos is listed at 129 SLOSSON AVE, Staten Island, NY 10314. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 720-5928. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Yiachos's National Provider Identifier is 1063588127. 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. Yiachos attended State University of New York Downstate Medical Center, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Yiachos has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Yiachos performs procedures including diagnostic exam of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, 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. Yiachos. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.