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

Vallikantha Nellaiappan, MD

Individual provider Internal Medicine Physician · NPI 1548557812

Vallikantha Nellaiappan, MD is an Endocrinology in Greenfield, Wisconsin. Qualified in 2008, 18 years ago. Practices with Aurora Advanced Healthcare, Inc, a 1,101-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in Illinois, Indiana, Ohio and Wisconsin.

Years since qualifying
18
Licensed in
IL, IN, OH, WI
In the registry since
2011
Specialties on file
5
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

4448 W Loomis Rd
Greenfield, WI 53220-4800
Phone: (414) 281-5150
Show map & directions

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

Additional practice locations (3)

  • 3333 Green Bay Rd, North Chicago, IL 60064-3037 — (847) 578-3000
  • 800 S Tillotson Ave, Muncie, IN 47304-4529 — (765) 289-5410
  • 3691 Ridge Mill Dr, Hilliard, OH 43026-7752 — (614) 685-3333

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 101005 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125059624 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35.139412 (OH)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 01077589A (IN)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 35.139412 (OH)

Record details

NPI number1548557812
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 6, 2011
Last updated in NPPESOctober 26, 2023
Certification dateOctober 26, 2023

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Aurora Advanced Healthcare, Inc. — 1101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Greenfield