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

Antonia Jill Sigl, MD

Individual provider Pediatrics Physician · NPI 1043665730

Antonia Jill Sigl, MD is a Pediatrics Physician in Johnstown, Colorado. Licensed in Colorado. Registered with an NPI since 2016.

Licensed in
CO
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4435 Ronald Reagan Blvd
Johnstown, CO 80534-6409
Phone: (970) 619-8139
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence DR.0062379 (CO)

Record details

NPI number1043665730
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 29, 2016
Last updated in NPPESDecember 6, 2019

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