Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Patricia L Sebastian, MD.
Pediatrics Physician in Ledyard, CT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1962551804
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Registry record
Entity type Individual (Type 1)
Name Dr. Patricia L Sebastian
Credential MD.
Sex Female
Practice address 75 Rt 2, Manshantucket Pequot Tribal Healt Services, Ledyard, CT, 06338
Phone (860) 312-8000
Fax (860) 312-8001
Enumeration date Jan 9, 2007
Last updated in NPPES Nov 2, 2012
Taxonomy & licenses
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License D42618 (MD) Secondary
207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License D42618 (CT) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Patricia Sebastian?
The National Provider Identifier (NPI) for Patricia Sebastian is 1962551804, a Type 1 (individual) record in the CMS NPPES registry.
Where does Patricia Sebastian practice?
The practice location on file with NPPES is in Ledyard, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-02.