Dr. Mark D. Horneffer
- Gender: Male
- Experience: 31 years
- Graduated from: University Of Michigan Medical School
- Graduation year: 1990
- Sole propriator: No
- NPI: 1710928965
Dr. Mark D. Horneffer MD
Internist
He is located at 10950 West Capitol Drive in Wauwatosa, WI 53222. Can help patients with the following: Bladder Control, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hyponatremia, Nausea and Vomiting, Peptic Ulcer. His National Provider Identifier (NPI) number is 1710928965. Appointment can be made via the phone number (414) 464-4460. He is affiliated with 2 hospitals.
Conditions treated
Dr. Mark D. Horneffer, being an internist, 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. Mark D. Horneffer.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Mark D. Horneffer
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark D. Horneffer 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 18 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Pathway/Lean 5000 (3 Free PCP Visits + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway/Lean HSA (+ Incentives) (5 plan variants) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway/Lean Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Expanded Bronze | Participating | Accepting 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 Pathway/Lean 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Gold | Participating | Accepting new patients |
| Anthem Gold Pathway/Lean Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Gold | 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 Pathway/Lean 0 Med Ded ($0 Virtual PCP+$0 Select Drugs+Incentives) (5 plan variants) | HMO · Expanded Bronze | 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 Pathway/Lean 4000 ($0 PCP Visits + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway/Lean 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway/Lean Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) (5 plan variants) | HMO · Silver | 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 |
Network Health
Network data as of Jun 25, 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 |
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. Mark D. Horneffer 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. Mark D. Horneffer is enrolled to bill Medicare as a Practitioner - Internal Medicine .
Bills through: Columbia St Marys Hospital Milwaukee Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Janssen | $22 |
Other
| Food and Beverage | $22 |
Studies
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated in 1990
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Questions & Answers
Does Dr. Mark D. Horneffer accept patients with Anthem Blue Cross and Blue Shield?
Yes, Dr. Mark D. Horneffer is listed in-network for Anthem Blue Cross and Blue Shield through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Mark D. Horneffer affiliation with hospitals?
Dr. Mark D. Horneffer is affiliated with COLUMBIA ST MARYS HOSPITAL OZAUKEE. For the full list of hospitals see this list.
Where can you meet with Dr. Mark D. Horneffer?
Dr. Mark D. Horneffer's office is located at 10950 West Capitol Drive in Wauwatosa, WI 53222.
What conditions does Dr. Mark D. Horneffer treat?
Dr. Mark D. Horneffer provides treatment for Bladder Control, Chronic Obstructive Pulmonary Disease (COPD), Constipation, Hyponatremia, Nausea and Vomiting, Peptic Ulcer. For the full list see this list.