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

Mathangi R Sekharan, MD

Individual provider Internal Medicine Physician · NPI 1518959329

Mathangi R Sekharan, MD is an Internal Medicine in Pleasant Prairie, Wisconsin. Qualified in 1987, 39 years ago. Practices with Froedtert South Inc, a 156-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
39
Licensed in
IL, WI
In the registry since
2005
Specialties on file
2
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

10256 Old Green Bay Rd
Pleasant Prairie, WI 53158-2814
Phone: (262) 551-4240
Fax: (262) 551-4245
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 103 S Greenleaf St, Gurnee, IL 60031-3380 — (847) 623-5855

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4230 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036089529 (IL)

Record details

NPI number1518959329
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 17, 2005
Last updated in NPPESMay 8, 2026
Certification dateMay 8, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Froedtert South Inc — 156 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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