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

Dr. Ernest Frederick Joseph Siebold, DO

Individual provider Pediatric Adolescent Medicine Physician · NPI 1417958463

Dr. Ernest Frederick Joseph Siebold, DO is a Pediatric Adolescent Medicine Physician in Newark, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

282 The Green University Of Delaware Student Health Service
Newark, DE 19716-8101
Phone: (302) 831-2226
Fax: (302) 831-4252
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Adolescent Medicine Physician (primary) Taxonomy 2080A0000X · Licence C2-0000842 (DE)

Record details

NPI number1417958463
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 2, 2005
Last updated in NPPESJuly 9, 2007
Mailing address41 Hidden Valley Dr, Newark, DE 19711-7463

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