Quick answers
- Where does Adam Seidner see patients?
- Medicare's clinician data lists 3 practice locations, including Portland, CT and Middletown, CT. Call before your visit to confirm the address.
- What is Adam Seidner's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Adam Seidner accept Medicare assignment?
- Yes. Medicare's clinician data says Adam Seidner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Adam Seidner offer telehealth?
- Medicare's clinician data says Adam Seidner offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Adam Seidner?
- (860) 358-6486, as listed in official Medicare / NPI Registry data.
- What is Adam Seidner's NPI number?
- 1144208240. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Adam Seidner is enrolled with Medicare (CMS data updated 2026-10-02).
- 13 High StPortland, CT 06480 (860) 358‑6486
- 28 Crescent StMiddletown, CT 06457 (860) 358‑6486
- 90 S Main StMiddletown, CT 06457 (860) 358‑4821
Group practices
Medicare enrollment lists Adam Seidner as a member of this group (CMS data updated 2026-10-02).
- Middlesex Hospital234 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Portland
Clinicians with the same Medicare primary specialty in Portland, CT — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144208240 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians