Daniel Walker, M.D.
Thoracic Surgery (CMS) · Hartford, CT
At a glance
85 Seymour St Ste 227, Hartford, CT 06106-5501
Published activity: Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jun 10, 2025. 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
85 Seymour St Ste 227Hartford, CT 06106-5501
Additional reported practice locations
263 Farmington AveFarmington, CT 060300001
Phone: 8606793467
Fax: 8606791460
Education & affiliations
- Medical / professional school
- Columbia University College Of Physicians And Surgeons
- Graduation year
- 2013
- CMS specialties
- Thoracic Surgery
Practice groups
Reported hospital affiliations
- Chenango Memorial Hospital Norwich, NY
- United Health Services Hospitals, Inc Binghamton, 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 | 1-10 |
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 | $251.64 |
Reporting companies
| Company | Amount |
|---|---|
| EDWARDS LIFESCIENCES CORPORATION | $143.35 |
| ABIOMED | $108.29 |
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
- Thoracic Surgery (CMS)
- Taxonomy code
- 208G00000X
- Enumeration date
- Jun 13, 2013
- Record updated
- Jun 10, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
208G00000X
License reported: D85283 MD
208G00000X
License reported: 336558 NY
208G00000X · Primary
License reported: 68087 CT
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
85 Seymour St Ste 227Hartford, CT 06106-5501
- Phone
- (860) 696-5159
Mailing address
85 SEYMOUR ST STE 227HARTFORD, CT 061065501
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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