Dr. Michael Joseph Keefer
Dr. Michael J. Keefer
Last updated: Mar 1, 2018

Dr. Michael J. Keefer

  • Gender: Male
  • Experience: 40 years
  • Graduated from: University Of Oklahoma College Of Medicine
  • Graduation year: 1981
  • Sole propriator: No
  • NPI: 1386697548

Dr. Michael J. Keefer M.D.

Oncologist

He is located at 4205 Mcauley Boulevard Suite 375 in Oklahoma City, OK 73120. Can help patients with the following: Bile Duct Cancer, Cancer, Carcinoma, Idiopathic Thrombocytopenic Purpura (ITP), Sickle Cell Anemia, Urethral Cancer. His National Provider Identifier (NPI) number is 1386697548. Appointment can be made via the phone number (405) 751-4343. He is affiliated with 1 practices and 3 hospitals.

Conditions treated

Dr. Michael Joseph Keefer, 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. Michael J. Keefer.

  • Abdominal Pain
  • Acute Pain
  • Anal Cancer
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Basal Cell Carcinoma
  • Beta Thalassemia
  • 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
  • Deep Vein Thrombosis (DVT)
  • Diarrhea
  • Edema
  • Esophageal Cancer
  • Fever
  • Gallbladder Cancer
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Glioma
  • Head and Neck Cancer
  • Headache
  • Heart Disease
  • Hemophilia
  • Hiatal Hernia
  • High Blood Pressure
  • Hodgkin's Disease
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Idiopathic Thrombocytopenic Purpura (ITP)
  • Influenza
  • Inguinal Hernia
  • Kidney Cancer
  • Larynx Cancer
  • Leukemia
  • Liver Cancer
  • Lung Cancer
  • Melanoma
  • Mesothelioma
  • Migraine
  • Multiple Myeloma
  • Nasopharyngeal Cancer
  • Nausea and Vomiting
  • Neoplasm
  • Neuroblastoma
  • Neutropenia
  • Non-Hodgkin's Lymphoma (NHL)
  • Obesity
  • Oral Cancer
  • Osteoporosis
  • Ovarian Cancer
  • Pancreatic Cancer
  • Penis Cancer
  • Peptic Ulcer
  • Pernicious Anemia
  • Pheochromocytoma (PCC)
  • Polycythemia
  • Prescription Refill
  • Prostate Cancer
  • Pulmonary Embolism (PE)
  • Retinoblastoma
  • Salivary Gland Cancer
  • Sarcoma
  • Sickle Cell Anemia
  • Skin Cancer
  • Stomach Cancer
  • Testicular Cancer
  • Thalassemia
  • Thrombocytopenia
  • Thymoma
  • Thyroid Cancer
  • Urethral Cancer
  • Urethritis
  • Urinary Tract Infection (UTI)
  • Uterine Cancer
  • Vaginal Cancer

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Michael J. Keefer as in-network for the following 2026 plans.

Health plans

Ambetter of Oklahoma

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 20 plans from Ambetter of Oklahoma
Ambetter of Oklahoma plans
Plan Plan type Network tier New patients
Elite Bronze PPO · Expanded Bronze Preferred Accepting new patients
Elite Bronze + Vision + Adult Dental PPO · Expanded Bronze Preferred Accepting new patients
Elite Gold PPO · Gold Preferred Accepting new patients
Elite Gold + Vision + Adult Dental PPO · Gold Preferred Accepting new patients
Enhanced Asthma/COPD Care Silver with $0 Drug Options PPO · Silver Preferred Accepting new patients
Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental PPO · Silver Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options PPO · Silver Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental PPO · Silver Preferred Accepting new patients
Everyday Bronze PPO · Expanded Bronze Preferred Accepting new patients
Everyday Bronze + Vision + Adult Dental PPO · Expanded Bronze Preferred Accepting new patients
Everyday Gold PPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental PPO · Gold Preferred Accepting new patients
Focused Silver PPO · Silver Preferred Accepting new patients
Focused Silver + Vision + Adult Dental PPO · Silver Preferred Accepting new patients
Standard Expanded Bronze PPO · Expanded Bronze Preferred Accepting new patients
Standard Expanded Bronze + Vision + Adult Dental PPO · Expanded Bronze Preferred Accepting new patients
Standard Gold PPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental PPO · Gold Preferred Accepting new patients
Standard Silver PPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental PPO · Silver Preferred Accepting new patients

Medica

Network data as of Jun 25, 2026, as reported by the insurer.

Show all 9 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Balance by Medica Bronze $0 Copay PCP Visits PPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Bronze Premier PPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Expanded Bronze Standard PPO · Expanded Bronze Preferred Accepting new patients
Balance by Medica Gold $0 Copay PCP Visits PPO · Gold Preferred Accepting new patients
Balance by Medica Gold Share PPO · Gold Preferred Accepting new patients
Balance by Medica Gold Standard PPO · Gold Preferred Accepting new patients
Balance by Medica Silver $0 Copay PCP Visits PPO · Silver Preferred Accepting new patients
Balance by Medica Silver Share PPO · Silver Preferred Accepting new patients
Balance by Medica Silver Standard PPO · 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. Michael J. Keefer is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Michael J. Keefer is enrolled to bill Medicare as a Practitioner - Medical Oncology .

Bills through: Mercy Clinic Oklahoma Communities

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

Genentech $163
Pfizer $141
Pharmacyclics an AbbVie Company $53

Other

Food and Beverage $514

Studies

UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE

Graduated in 1981

Additional Specialities

  • Hematology and Oncology Specialist
  • Internist

Affiliated practices

Mercy Clinic Oklahoma Communities
4205 Mcauley Boulevard
Oklahoma City, 73120 OK
(405) 751-4343

Affiliated hospitals

MERCY HOSPITAL OKLAHOMA CITY, INC
4300 WEST MEMORIAL ROAD
OKLAHOMA CITY, 73120 OK
(405) 752-3754
OU MEDICAL CENTER
700 NE 13TH STREET
OKLAHOMA CITY, 73104 OK
(405) 271-5911
MERCY HOSPITAL LOGAN COUNTY, INC
200 S ACADEMY RD
GUTHRIE, 73044 OK
(405) 282-6700

Looking for more Oncologists?

Here are oncologists in Oklahoma you may want to explore.

Dr. Brian Vincent Geister
  • Gender: Male
  • Address: Suite 200 5915 West Memorial Road Oklahoma City, 73142, OK
Dr. Robert Edward Reynolds
  • Gender: Male
  • Address: Suite 501 13301 North Meridian Avenue Oklahoma City, 73120, OK
Dr. Leslie K. Walker
  • Gender: Female
  • Address: Suite 402 1809 East 13th Street Tulsa, 74104, OK
Dr. James Edward Reeves
  • Gender: Male
  • Address: Suite 375 4205 Mcauley Boulevard Oklahoma City, 73120, OK
Dr. Gregory Parker
  • Gender: Male
  • Address: Suite 100D 3525 Northwest 56th Street Oklahoma City, 73112, OK
Dr. Rick G. McKinney
  • Gender: Male
  • Address: Suite 2100 500 East Robinson Street Norman, 73071, OK
Dr. Romeo Ang Mandanas
  • Gender: Male
  • Address: Suite 200 5915 West Memorial Road Oklahoma City, 73142, OK
Dr. Johnny Russell Mcminn
  • Gender: Male
  • Address: Suite 200 5915 West Memorial Road Oklahoma City, 73142, OK
Dr. Jennifer Lynn O'Stasik
  • Gender: Female
  • Address: 2nd Floor 1245 South Utica Avenue Tulsa, 74104, OK
Dr. Simeon Jaggernauth
  • Gender: Male
  • Address: 11212 East 48th Street Tulsa, 74146, OK

Questions & Answers

Has Dr. Michael Joseph Keefer affiliation with hospitals?

Dr. Michael Joseph Keefer is affiliated with MERCY HOSPITAL OKLAHOMA CITY, INC. For the full list of hospitals see this list.

Does Dr. Michael Joseph Keefer accept insurance?

Dr. Michael Joseph Keefer is listed in-network for 29 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter of Oklahoma, Medica. See the Marketplace plans section for details.

What conditions does Dr. Michael Joseph Keefer treat?

Dr. Michael Joseph Keefer provides treatment for Bile Duct Cancer, Cancer, Carcinoma, Idiopathic Thrombocytopenic Purpura (ITP), Sickle Cell Anemia, Urethral Cancer. For the full list see this list.

Where can you meet with Dr. Michael Joseph Keefer?

Dr. Michael Joseph Keefer's office is located at 4205 Mcauley Boulevard Suite 375 in Oklahoma City, OK 73120.

Does Dr. Michael Joseph Keefer have affiliation with practices?

Dr. Michael Joseph Keefer is affiliated with Mercy Clinic Oklahoma Communities.