Family Medicine
ALWIN SEBASTIAN M.D.
Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.
Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.
Public record
NPI 1740928514 · enumerated 2022-05-23 · record updated 2025-09-23. Source: CMS NPPES. A listing is not a TRICARE network approval.
NPPES recordGoogle Maps Apple Maps OpenStreetMap
Addresses and phones
- Mailing address 333 BORTHWICK AVENUE, PORTSMOUTH, NH, 03801 Google Maps Apple Maps OpenStreetMap
- Practice location 333 BORTHWICK AVENUE, PORTSMOUTH, NH, 03801 (303) 563-9790 Google Maps Apple Maps OpenStreetMap
Specialties
- Hospitalist 208M00000X · License W1223 TX
- Family Medicine 207Q00000X · Primary · License W1223 TX
- Student in an Organized Health Care Education/Training Program 390200000X · License R4045 NH
In this directory
Locations and evidence
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Practice location
PORTSMOUTH, NH, 03801
Accepting new patientsNot reportedCMS NPPES · September 30, 2026
Plan acceptance
- No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.