Whalio Doctors

NPI 1780685677

John Dana Mannion, MD

Practitioner Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Dover, DE

Practice location

Address
540 S Governors Ave Suite 101a, Dover, DE 19904-3530
Phone
(302) 744-7980
Mailing address
704 Green Winged Trl, Camden Wyoming, DE 19934-9530

Registered specialties

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Primary
Allopathic & Osteopathic Physicians Taxonomy 208G00000X Licence C1-0007255 (DE)

Registry record

NPI
1780685677
Entity type
Individual
Sex (as registered)
Male
NPI issued
2 Aug 2005
Record last updated
13 Jul 2026

Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.