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About this NPIWhat this record shows.
NPI 1801941158 is registered to Sei H Ahn MD, a healthcare organisation classified as "Obstetrics & Gynecology" and located at 2601 Annand Dr, Suite 14 in Wilmington, Delaware. The organisation's authorised official is Sei Ahn. The organisation has been enumerated in the NPI registry since 2007.
Provider type
Organisation (Type 2)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Sei H Ahn MD accepts. To confirm in-network status with your specific health plan, contact Sei H Ahn MD directly at (302) 633-9049.
Frequently asked
Yes. NPI 1801941158 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Obstetricians and Gynecologists (OB/GYNs) provide medical and surgical care for the female reproductive system, including pregnancy, childbirth, and gynecologic conditions.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (302) 633-9049.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Sei H Ahn MD is a Type-2 organisational NPI.
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