Melissa M. Mortensen-Welch, M.D.
Otolaryngology (CMS) · East Setauket, NY
At a glance
37 Research Way, East Setauket, NY 11733-9200
Published activity: Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jul 25, 2014. 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
37 Research Way Stony Brook Surgical AssociatesEast Setauket, NY 11733-9200
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2002
- CMS specialties
- Otolaryngology
Practice groups
Reported hospital affiliations
- Albany Medical Center Hospital Albany, NY
- Glens Falls Hospital Glens Falls, NY
- Samaritan Hospital Of Troy, New York Troy, NY
- Saratoga Hospital Saratoga Springs, NY
- Sunnyview Hospital And Rehabilitation Center Schenectady, 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 |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 13 |
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 | $121.84 |
Reporting companies
| Company | Amount |
|---|---|
| AMGEN INC. | $121.84 |
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
- Otolaryngology (CMS)
- Taxonomy code
- 207YS0012X
- Enumeration date
- Apr 11, 2007
- Record updated
- Jul 25, 2014
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207YS0012X · Primary
License reported: 2341737 NY
207YS0012X
License reported: 0101243259 VA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
37 Research WayStony Brook Surgical Associates
East Setauket, NY 11733-9200
- Phone
- (631) 444-4121
- Fax
- (631) 444-4189
Mailing address
DEPARTMENT OF SURGERY OTOLARYNGOLOGYSTONY BROOK UNIV MEDICAL CENTER, HSCT19-064
STONY BROOK, NY 117948191
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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