Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sean M Callahan MD PLLC

Organization Otolaryngology Physician · NPI 1629325352

Sean M Callahan MD PLLC is an Otolaryngology Physician in Lewisville, Texas. Licensed in Texas. Registered with an NPI since 2012.

Licensed in
TX
In the registry since
2012
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

324 W Main St Ste 100
Lewisville, TX 75057-3866
Phone: (972) 420-7212
Fax: (972) 420-8812
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence P0704 (TX)

Record details

NPI number1629325352
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sean Callahan — Physician · (972) 420-7212
NPI enumeratedAugust 13, 2012
Last updated in NPPESDecember 17, 2012
Mailing address324 W Main St, Suite 100, Lewisville, TX 75057-3866

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