Steve Kiriako Georgopoulos, M.D.
Gastroenterology (CMS) · Riverhead, NY
At a glance
889 E Main St Ste 308, Riverhead, NY 11901-2681
Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Mar 7, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
889 E Main St Ste 308Riverhead, NY 11901-2681
Additional reported practice locations
325 Meeting House Ln405
Southampton, NY 119685087
Phone: 6312835555
Fax: 6312830345
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 1986
- CMS specialties
- Gastroenterology
Practice groups
Reported hospital affiliations
- Long Island Community Hospital Patchogue, NY
- Nyu Langone Hospitals New York, NY
- Suny/Stony Brook University Hospital Stony Brook, NY
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Colonoscopy | 217 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 172 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $42.71 |
Reporting companies
| Company | Amount |
|---|---|
| AMGEN INC. | $23.67 |
| EXACT SCIENCES CORPORATION | $19.04 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Gastroenterology (CMS)
- Taxonomy code
- 174400000X
- Enumeration date
- Dec 12, 2006
- Record updated
- Mar 7, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
174400000X · Primary
License reported: 194726 NY
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
889 E Main St Ste 308Riverhead, NY 11901-2681
- Phone
- (631) 386-3500
Mailing address
325 MEETING HOUSE LN405
SOUTHAMPTON, NY 119685087
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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