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

Sima K Ramratnam, MD

Individual provider Pediatric Allergy/Immunology Physician · NPI 1699004812

Sima K Ramratnam, MD is a Pediatric Allergy/Immunology Physician in Madison, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2009.

Licensed in
WI
In the registry since
2009
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

1675 Highland Ave
Madison, WI 53792-0001
Phone: (608) 263-6420
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Allergy/Immunology Physician (primary) Taxonomy 2080P0201X · Licence 61199 (WI)

Record details

NPI number1699004812
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 17, 2009
Last updated in NPPESJanuary 15, 2021
Certification dateJanuary 15, 2021

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