Gregory David Gersten, MD
Diagnostic Radiology · Interventional Radiology (CMS) · Southbury, CT
At a glance
385 Main St S, Southbury, CT 06488-4240
NPPES record updated Aug 7, 2026. 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
385 Main St S Union SquareSouthbury, CT 06488-4240
Additional reported practice locations
3000 32Nd Ave SFargo, ND 581036132
Phone: 7013648000 1055 N Curtis Rd
Boise, ID 837061309
Phone: 2083674320
Fax: 2083676177
Education & affiliations
- Medical / professional school
- Columbia University College Of Physicians And Surgeons
- Graduation year
- 1990
- CMS specialties
- Diagnostic Radiology · Interventional Radiology
Practice groups
- Dlp Marquette Physician Practices Inc
- Phoebe Physician Group Inc
- Saint Alphonsus Regional Medical Center Inc
Reported hospital affiliations
- Essentia Health Fargo, ND
- Phoebe Putney Memorial Hospital Albany, GA
- Saint Alphonsus Medical Center - Nampa Nampa, ID
- Saint Alphonsus Regional Medical Center Boise, ID
- Uphs Marquette Dlp Hospital Marquette, MI
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.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
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 | $1,545.86 |
Reporting companies
| Company | Amount |
|---|---|
| PENUMBRA, INC. | $584.18 |
| BOSTON SCIENTIFIC CORPORATION | $470.52 |
| W. L. GORE & ASSOCIATES, INC. | $170.65 |
| TELEFLEX LLC | $119.21 |
| AERIN MEDICAL INC. | $86.85 |
| ARGON MEDICAL DEVICES, INC. | $70.46 |
| MEDTRONIC, INC. | $43.99 |
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
- Diagnostic Radiology · Interventional Radiology (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Jul 10, 2006
- Record updated
- Aug 7, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
2085R0202X · Primary
License reported: 036955 CT
2085B0100X
License reported: 036955 CT
2085R0202X
License reported: 4271297 ID
2085R0204X
License reported: 036955 CT
2085R0202X
License reported: 24716 ND
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
385 Main St SUnion Square
Southbury, CT 06488-4240
- Phone
- (203) 264-7999
- Fax
- (203) 264-7477
Mailing address
385 MAIN ST SUNION SQUARE BLDG #1 C O NVRA IMAGING NETWORK
SOUTHBURY, CT 064884240
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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