Quick answers
- Does Andrew P. Seaman accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew P. Seaman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Andrew P. Seaman see?
- In 2024, CMS data shows 14 Original Medicare patients and 25 services for Andrew P. Seaman. This counts Original Medicare only and measures volume, not quality.
- What is Andrew P. Seaman's NPI number?
- 1801022959. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Andrew P. Seaman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 14 |
|---|---|
| Services billed to Medicare | 25 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 46 |
Practice locations
Addresses where Andrew P. Seaman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1900 W Park Dr, Suite 280Westborough, MA 01581 (866) 679‑0831
- 25 Green StLebanon, NH 03766 (866) 679‑0831
- 2501 Bragg Blvd, Suite DFayetteville, NC 28303 (866) 679‑0831
- 456 Union StManchester, NH 03103 (866) 679‑0831
- 7 Oak Hill Ter, Suite 205Scarborough, ME 04074 (866) 679‑0831
Group practices
Medicare enrollment lists Andrew P. Seaman as a member of this group (CMS data updated October 2, 2026).
- Belonging Medical Group PLLC40 clinicians in the group
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Westborough
Clinicians with the same Medicare primary specialty in Westborough, MA — not a recommendation.
Other clinicians in Belonging Medical Group PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1801022959 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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