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Dr. John M. DeMay, MD


  • (712) 277-9370

Dr. DeMay's Overview

Dr. John M. DeMay graduated from the University of Nebraska College of Medicine in 1989. He works in Sioux City, IA and specializes in Dermatology. Dr. DeMay is affiliated with UnityPoint Health-Saint Lukes.

Dr. DeMay's Experience

Years in Practice: 26

Dr. DeMay's Specialties


Dr. DeMay's Education & Training

Medical School: University of Nebraska College of Medicine; Graduated 1989

Dr. DeMay's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. DeMay's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • BCBS MN Blue Cross Accord
  • CIGNA Open Access Plus
  • Coventry IA - PPO
  • Coventry NE - PPO
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Dr. DeMay's Office Information & Appointments

Office Locations

Dermatology Associates Of Siouxland PC

2930 Hamilton Blvd Ste 102
Sioux City, IA 51104
(712) 277-9370


Office Hours and Information

Fax: (712) 252-4733

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 8:00 AM - 4:30 PM
Tuesday 8:00 AM - 4:30 PM
Wednesday 8:00 AM - 4:30 PM
Thursday 8:00 AM - 4:30 PM
Friday 8:00 AM - 11:30 PM
Saturday Closed
Sunday Closed

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Dr. DeMay's Hospital Affiliations

Office Locations

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