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

Dr. John Mihailidis, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1194036533

Dr. John Mihailidis, MD is an Endocrinology in Neenah, Wisconsin. Qualified in 2010, 16 years ago. Practices with Thedacare, Incorporated, a 654-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Nebraska, New York and Wisconsin.

Years since qualifying
16
Licensed in
NE, NY, WI
In the registry since
2010
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

130 2nd St
Neenah, WI 54956-2883
Phone: (920) 358-1223
Show map & directions

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

Additional practice locations (2)

  • 3900 N Buffalo St, Orchard Park, NY 14127 — (716) 656-4468
  • 325 Essjay Rd, Williamsville, NY 14221-8243 — (716) 656-4468

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 84089 (WI)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 30557 (NE)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence 311791 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1194036533
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2010
Last updated in NPPESAugust 1, 2024
Certification dateAugust 1, 2024
Mailing address3 Neenah Ctr, Neenah, WI 54956-3070

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Thedacare, Incorporated — 654 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services