Dr. Ruth C. Warren
- Gender: Female
- Experience: 22 years
- Graduated from: Midwestern University, Chicago College Of Osteopathic Med
- Graduation year: 1999
- Sole propriator: No
- NPI: 1124096185
Dr. Ruth C. Warren DO
Oncologist
She is located at 1726 Shawano Avenue in Green Bay, WI 54303. Can help patients with the following: Anemia, Basal Cell Carcinoma, Bladder Control, Leukemia, Mesothelioma, Ovarian Cancer. Her National Provider Identifier (NPI) number is 1124096185. Appointment can be made via the phone number (920) 884-3135. She is affiliated with 3 practices and 5 hospitals.
Conditions treated
Dr. Ruth Callaway Warren, being an oncologist, 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. Ruth C. Warren.
- Abdominal Pain
- Acute Pain
- Anal Cancer
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Basal Cell Carcinoma
- Bile Duct Cancer
- Bladder Cancer
- Bladder Control
- Bone Cancer
- Brain Cancer
- Breast Cancer
- Cancer
- Carcinoid Tumor
- Carcinoma
- Cervical Cancer
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Colon Cancer
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Esophageal Cancer
- Fever
- Gallbladder Cancer
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Glioma
- Head and Neck Cancer
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hodgkin's Disease
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Kidney Cancer
- Larynx Cancer
- Leukemia
- Liver Cancer
- Lung Cancer
- Melanoma
- Mesothelioma
- Migraine
- Nasopharyngeal Cancer
- Nausea and Vomiting
- Neoplasm
- Neuroblastoma
- Non-Hodgkin's Lymphoma (NHL)
- Obesity
- Oral Cancer
- Osteoporosis
- Ovarian Cancer
- Pancreatic Cancer
- Penis Cancer
- Peptic Ulcer
- Pheochromocytoma (PCC)
- Polycythemia
- Prescription Refill
- Prostate Cancer
- Retinoblastoma
- Salivary Gland Cancer
- Sarcoma
- Skin Cancer
- Stomach Cancer
- Testicular Cancer
- Thymoma
- Thyroid Cancer
- Urethral Cancer
- Urethritis
- Urinary Tract Infection (UTI)
- Uterine Cancer
- Vaginal Cancer
Procedures Performed by Dr. Ruth C. Warren
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ruth C. Warren 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 |
Dean Health Plan
Network data as of Aug 13, 2026, as reported by the insurer.
Show all 9 plans from Dean Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Prevea360 Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Prevea360 Bronze Share | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Prevea360 Expanded Bronze Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Prevea360 Gold HSA | HMO · Gold | Preferred | Accepting new patients |
| Prevea360 Gold Share | HMO · Gold | Preferred | Accepting new patients |
| Prevea360 Gold Standard | HMO · Gold | Preferred | Accepting new patients |
| Prevea360 Silver $0 Copay PCP Visits | HMO · Silver | Preferred | Accepting new patients |
| Prevea360 Silver Share | HMO · Silver | Preferred | Accepting new patients |
| Prevea360 Silver Standard | 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. Ruth C. Warren 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. Ruth C. Warren is enrolled to bill Medicare as a Practitioner - Medical Oncology (also registered under: Practitioner - Internal Medicine, Practitioner - Hematology) .
Bills through: St Francis Hospital
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 | $19 |
Other
| Food and Beverage | $19 |
Studies
MIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated in 1999Additional Specialities
- Internist
Affiliated hospitals
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Questions & Answers
Has Dr. Ruth Callaway Warren affiliation with hospitals?
Dr. Ruth Callaway Warren is affiliated with OSF ST FRANCIS HOSPITAL AND MEDICAL GROUP. For the full list of hospitals see this list.
Does Dr. Ruth Callaway Warren accept patients with Anthem Blue Cross and Blue Shield?
Yes, Dr. Ruth Callaway Warren 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.
Does Dr. Ruth Callaway Warren have affiliation with practices?
Dr. Ruth Callaway Warren is affiliated with Prevea Health. For the full list of practices see this list.
Where can you meet with Dr. Ruth Callaway Warren?
Dr. Ruth Callaway Warren's office is located at 1726 Shawano Avenue in Green Bay, WI 54303.
What conditions does Dr. Ruth Callaway Warren treat?
Dr. Ruth Callaway Warren provides treatment for Anemia, Basal Cell Carcinoma, Bladder Control, Leukemia, Mesothelioma, Ovarian Cancer. For the full list see this list.