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

Maria Chona Segismundo Antonio, MD

Individual provider Family Medicine Physician · NPI 1740295237

Maria Chona Segismundo Antonio, MD is a Family Practice in Sturgeon Bay, Wisconsin. Qualified in 1988, 38 years ago. Practices with Door County Memorial Hospital, a 86-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
38
Licensed in
WI
In the registry since
2006
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

323 S 18th Ave
Sturgeon Bay, WI 54235-1401
Phone: (920) 746-0510
Fax: (920) 743-1585
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 48475 (WI)

Record details

NPI number1740295237
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESMarch 10, 2026
Certification dateMarch 10, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Door County Memorial Hospital — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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