Alwin Sebastian, MD
Family Medicine in Portsmouth, New Hampshire
1740928514- Practice location
- 333 Borthwick Avenue, Portsmouth, NH 03801
- Phone
- 303-563-9790
- Fax
- —
- Last updated
- September 23, 2025
Alwin Sebastian is a Family Medicine based in Portsmouth, NH. Alwin Sebastian practices in Portsmouth, NH and has the professional credentials of MD. The NPI Number for Alwin Sebastian is 1740928514 and holds a License No. W1223 (TX). The current practice location address for Alwin Sebastian is 333 Borthwick Avenue, Portsmouth, NH 03801 and can be reached out via phone at 303-563-9790.
Provider Profile Details
- NPI Number
- 1740928514
- Provider Name
- Alwin Sebastian
- Credential
- MD
- Provider Entity Type
- Individual
- Gender
- Male
- Address
- 333 Borthwick Avenue, Portsmouth, NH 03801
- Phone Number
- 303-563-9790
- Primary Taxonomy
- Family Medicine · 207Q00000X
- Sole Proprietor
- No
- Provider Enumeration Date
- May 23, 2022
- Last Update Date
- September 23, 2025
- Certification Date
- September 23, 2025
- NPI Status
- Active
Provider Business Practice Location Address Details
- Address
- 333 Borthwick Avenue
Portsmouth, NH 03801 - City
- Portsmouth
- State
- New Hampshire
- Zip
- 03801
- Phone Number
- 303-563-9790
Provider Business Mailing Address Details
- Address
- 333 Borthwick Avenue
Portsmouth, NH 03801 - City
- Portsmouth
- State
- NH
- Zip
- 03801
License Information
- License Number (1)
- W1223
- License State (1)
- TX
- Taxonomy (1)
- Hospitalist · 208M00000X
- License Number (2)
- W1223
- License State (2)
- TX
- Taxonomy (2)
- Family Medicine · 207Q00000X · Primary
- License Number (3)
- R4045
- License State (3)
- NH
- Taxonomy (3)
- Student in an Organized Health Care Education/Training Program · 390200000X
Legacy Identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider. | |||
Other Family Medicine providers near Portsmouth, NH
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- Dr. Jacob A Ehlers Uber, DOFamily Medicine · NPI 1710446034
- Dr. Kristy L Fassler, NDFamily Medicine · NPI 1811288301
- Dr. Mark A Ballentyne, MDFamily Medicine · NPI 1669404661
Frequently Asked Questions
What is the NPI number of Alwin Sebastian, MD?
The NPI number of Alwin Sebastian, MD is 1740928514. It was assigned on May 23, 2022 and is currently active in the NPPES registry.
What is the specialty of Alwin Sebastian, MD?
Alwin Sebastian, MD is registered under the primary taxonomy Family Medicine (code 207Q00000X), licensed in TX under license number W1223.
Where does Alwin Sebastian, MD practice?
The practice location is 333 Borthwick Avenue, Portsmouth, NH 03801. The office can be reached at 303-563-9790 (phone).
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.
How do I verify this NPI record?
This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1740928514 directly on the NPPES registry website.