Chris Demetriou, M.D.
NPI 1194806075 · Gastroenterology Physician · Garden City, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chris Demetriou, M.D. is a Gastroenterology Physician provider in Garden City, NY (NPI 1194806075).
Provider details
- NPI number
- 1194806075
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 221114-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,726 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 583 | $39 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 245 | $13 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 139 | $49 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 131 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $145 |
| Removal of Polyps Or Growths of Large Bowel Using a Flexible Endoscope With Electrical Cautery |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 211 | 96 |
| Pantoprazole Sodium | 103 | 38 |
| Famotidine | 46 | 23 |
| Linaclotidebrand: Linzess | 33 | 12 |
| Colesevelam Hcl | 29 | 16 |
| Rifaximinbrand: Xifaxan | 19 | — |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,514 across 101 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-18
- Last updated
- 2025-05-04
- Certified
- 2025-05-04
Frequently asked questions
- What is Chris Demetriou's NPI number?
- Chris Demetriou's National Provider Identifier (NPI) is 1194806075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chris Demetriou's specialty?
- Chris Demetriou is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Chris Demetriou located?
- Chris Demetriou's practice location on file with NPPES is 623 Stewart Ave Ste 106, Garden City, NY 11530-4771.
- What is Chris Demetriou's phone number?
- The practice phone number listed in the NPPES registry for Chris Demetriou is (516) 650-3355.
- Does Chris Demetriou accept Medicare?
- Chris Demetriou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chris Demetriou's NPI active?
- Yes — Chris Demetriou's NPI (1194806075) is active in the NPPES registry as of the last update on 2025-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.