Dr. John Mihailidis
- Gender: Male
- Experience: 11 years
- Graduation year: 2010
- Sole propriator: Yes
- NPI: 1194036533
Dr. John Mihailidis M.D.
Endocrinologist
He is located at 130 2nd Street in Neenah, WI 54956. Can help patients with the following: Gynecomastia, Hypercalcemia, Hyperparathyroidism, Low Testosterone, Osteoporosis, Wilson-Turner Syndrome. His National Provider Identifier (NPI) number is 1194036533. Appointment can be made via the phone number (920) 358-1223. He is affiliated with 5 hospitals.
Conditions treated
Dr. John Mihailidis, being an endocrinologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John Mihailidis.
- Achondroplasia
- Addison's Disease
- Amyloidosis
- Bone Loss
- Carcinoid Tumor
- Cushing's Syndrome
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Fertility
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hypoparathyroidism
- Hypothyroidism
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Obesity
- Osteoporosis
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Vitamin D Deficiency
- Wilson-Turner Syndrome
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John Mihailidis as in-network for the following 2026 plans.
Health plans
Anthem Blue Cross and Blue Shield
Network data as of Mar 25, 2026, as reported by the insurer.
Show all 9 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Preferred/Broad 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad HSA (+ Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Gold Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Preferred/Broad 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Anthem Silver Preferred/Broad Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
Aspirus Health Plan
Network data as of Jan 1, 1990, as reported by the insurer.
Show all 12 plans from Aspirus Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HMO Bronze $0 Medical Deductible | HMO · Expanded Bronze | Aspirussign | Accepting new patients |
| HMO Bronze 10000 | HMO · Bronze | Aspirussign | Accepting new patients |
| HMO Bronze 7500 | HMO · Expanded Bronze | Aspirussign | Accepting new patients |
| HMO Catastrophic 10600 with 3 free PCP visits | HMO · Catastrophic | Aspirussign | Accepting new patients |
| HMO Gold 2000 | HMO · Gold | Aspirussign | Accepting new patients |
| HMO Gold 2700 | HMO · Gold | Aspirussign | Accepting new patients |
| HMO HDHP Silver 5900 | HMO · Silver | Aspirussign | Accepting new patients |
| HMO Silver 6000 | HMO · Silver | Aspirussign | Accepting new patients |
| HMO Silver 6600 | HMO · Silver | Aspirussign | Accepting new patients |
| POS Bronze 7500 | POS · Expanded Bronze | Aspirussign | Accepting new patients |
| POS Bronze 8500 | POS · Bronze | Aspirussign | Accepting new patients |
| POS Silver 6000 | POS · Silver | Aspirussign | Accepting new patients |
CareSource (Common Ground Healthcare)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 18 plans from CareSource (Common Ground Healthcare)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam | EPO · Expanded Bronze | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam | EPO · Gold | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 | EPO · Silver | Preferred | Accepting new patients |
| CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam | EPO · Silver | Preferred | Accepting new patients |
HealthPartners
Network data as of Mar 17, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Oak $1,300 Gold | PPO · Gold | Network | Accepting new patients |
| Oak $2,000 Standard Gold | PPO · Gold | Network | Accepting new patients |
Network Health
Network data as of Jan 20, 2026, as reported by the insurer.
Show all 14 plans from Network Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Prestige Bronze $0 Medical Deductible (2 plan variants) | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductible | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental + Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze $0 Medical Deductible + Dental +Vision | HMO · Expanded Bronze | Signatureprestigebronzezeromedicaldeductibledv | Accepting new patients |
| Prestige Bronze Essential + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessential | Accepting new patients |
| Prestige Bronze Essential + Dental + Vision + 3 Free PCP Visits | HMO · Expanded Bronze | Prestigebronzeessentialdv | Accepting new patients |
| Prestige Bronze Plus | HMO · Expanded Bronze | Prestigebronzeplus | Accepting new patients |
| Prestige Gold | HMO · Gold | Prestigegold | Accepting new patients |
| Prestige Gold 50 + 1 Free PCP Visit | HMO · Gold | Prestigegoldfifty | Accepting new patients |
| Prestige Gold 50 + Dental + Vision+ 1 Free PCP Visit | HMO · Gold | Prestigegoldfiftydv | Accepting new patients |
| Prestige Gold Essential + 3Free PCP Visits | HMO · Gold | Prestigegoldessential | Accepting new patients |
| Prestige Gold Essential + Dental + Vision + 3 Free PCP Visits | HMO · Gold | Prestigegoldessentialdv | Accepting new patients |
| Prestige Silver | HMO · Silver | Prestigesilver | Accepting new patients |
| Prestige Silver Essential + 3 Free PCP Visits | HMO · Silver | Prestigesilveressential | Accepting new patients |
| Prestige Silver Essential + Dental + Vision + 3 Free PCP Visits | HMO · Silver | Prestigesilveressentialdv | Accepting new patients |
Quartz
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 57 plans from Quartz
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| QUARTZ GUNDERSEN PERFORMANCE BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ GUNDERSEN PERFORMANCE SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/GUNDERSEN SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) $0 MEDICAL DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) $10,150 DED | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE (DENTAL & VISION) STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH BRONZE STANDARD EASY PRICING | HMO · Expanded Bronze | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH CATASTROPHIC $10,600 DED | HMO · Catastrophic | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD (DENTAL & VISION) $4,000 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD (DENTAL & VISION) STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD MAINTENANCE $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD MAINTENANCE (DENTAL & VISION) $700 DED | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH GOLD STANDARD EASY PRICING | HMO · Gold | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) $8,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) $9,000 DED | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER (DENTAL & VISION) STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
| QUARTZ ONE ACHIEVE W/UW HEALTH SILVER STANDARD EASY PRICING | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John Mihailidis is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John Mihailidis is enrolled to bill Medicare as a Practitioner - Endocrinology .
Bills through: North Platte Nebraska Hospital Corporation
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Lilly | $16 |
| Medtronic | $13 |
Other
| Food and Beverage | $29 |
Studies
Graduated in 2010Additional Specialities
- Resident
Affiliated hospitals
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Questions & Answers
Does Dr. John Mihailidis accept insurance?
Dr. John Mihailidis is listed in-network for 112 ACA Marketplace (Obamacare/HealthCare.gov) plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners, Network Health, Quartz. See the Marketplace plans section for details.
What conditions does Dr. John Mihailidis treat?
Dr. John Mihailidis provides treatment for Gynecomastia, Hypercalcemia, Hyperparathyroidism, Low Testosterone, Osteoporosis, Wilson-Turner Syndrome. For the full list see this list.
Has Dr. John Mihailidis affiliation with hospitals?
Dr. John Mihailidis is affiliated with COMMUNITY HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. John Mihailidis?
Dr. John Mihailidis's office is located at 130 2nd Street in Neenah, WI 54956.