Summary

Dr. Mark St Cyr is a physician specializing in Internal Medicine and Emergency Medicine with four decades of clinical experience. He earned his medical degree from Louisiana State University School of Medicine in Shreveport, bringing extensive knowledge to both inpatient care and urgent medical situations.

Dr. St Cyr practices at multiple locations including Oklahoma Children's Hospital at OU Health and OU Health University of Oklahoma Medical Center in Oklahoma City, along with Slidell Memorial Hospital and Claiborne Memorial Medical Center in Louisiana. His expertise includes treating high blood pressure emergencies and helping patients with tobacco cessation. He performs emergency care services and diagnostic imaging including CT scans and chest X-rays. Patients have given Dr. St Cyr an average rating of 3.7 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • 3.7
  • 40 years of experience
  • 33 insurance plans accepted
  • Louisiana State University School Of Medicine In Shreveport
  • 2 written reviews
  • 2 specialties
  • 4 areas of expertise
  • 2 board certifications
  • 5 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Mark Anthony St Cyr has 5 locations

Oklahoma Childrens Hospital At Ou Health

1200 Childrens AveOklahoma City, OK 73104

Slidell Memorial Hospital East

100 Medical Center DrSlidell, LA 70461

Slidell Memorial Hospital

1001 Gause BlvdSlidell, LA 70458

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Dr. Mark Anthony St Cyr, MD
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Dr. Mark Anthony St Cyr, MDDr. Alex Dwuma, MDDr. John Schumann, MDDr. Naeem Silat, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
3.7 
3.6 
40 Years of Experience 16 Years of Experience 29 Years of Experience 29 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks Spanish, English Speaks English Speaks English, Urdu, Sindhi
Oklahoma City , OKOklahoma City , OKTulsa , OKMurphy , TX
Med School: Louisiana State University School Of Medicine In Shreveport Med School: University Of Tennessee Health Science Center College Of Medicine Med School: Case Western Reserve University School of Medicine Med School: Dow Medical College
Current Profile
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Insurance Plans Accepted by Dr. Mark Anthony St Cyr

  • Aetna
  • Aetna - Medicare (Advantage HMO)
  • Aetna Better Health
  • Aetna Better Health - Medicaid (Managed)
  • AmeriGroup
  • AmeriHealth
  • AmeriHealth - Medicaid (Managed)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Vermont
  • CHAMPVA
  • CHRISTUS Health Plan
  • CHRISTUS Health Plan - Medicare
  • Cigna
  • Hawaii Medical Service Association (HMSA)
  • Humana
  • Humana - Medicaid (Managed)
  • Kaiser Permanente
  • McLaren Health Plan
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Optum Health
  • Peoples Health
  • Peoples Health - Medicare
  • Peoples Health - Medicare (Advantage HMO)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicaid (Managed)
  • Vantage Health Plan, Inc.
  • Wellcare

Medical Specialties

Dr. Mark Anthony St Cyr has the following 2 specialties

Specialty Expertise

Dr. Mark Anthony St Cyr has the following 4 areas of expertise

  • Accidents
  • Emergency Medicine
  • Injury
  • Trauma

Certifications, License, & Education

40 Years Experience

Dr. Mark Anthony St Cyr holds an active medical license in the state of Louisiana.

Medical License

Medical Doctor with an active medical license in the state of Louisiana that expires in 2026.

Education & Training

Medical School

Graduated from Louisiana State University School Of Medicine In Shreveport in 1986.

NPI Number

Dr. St Cyr's NPI number is 1184678997.

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Frequently Asked Questions

Is Dr. Mark St Cyr accepting new patients?
Dr. Mark St Cyr has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Mark St Cyr?
You can find contact information for Dr. Mark St Cyr here on Vitals.
Does Dr. Mark St Cyr accept my insurance?
You can see the insurance plans that Dr. Mark St Cyr accepts on their Vitals profile.
Does Dr. Mark St Cyr accept virtual/telehealth appointments?
Dr. Mark St Cyr has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mark St Cyr's office located?
Dr. Mark St Cyr's office is located at 1200 Childrens Ave, Oklahoma City, OK, 73104.

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