Summary

Dr. Mary Clarke is a family medicine physician with 30 years of experience providing comprehensive care to patients of all ages. She earned her medical degree from the University of Oklahoma College of Medicine and completed her residency at the Medical College of Wisconsin. Dr. Clarke is fluent in both English and Spanish, allowing her to serve diverse communities with personalized care.

Dr. Clarke practices at Stillwater Medical Center and Stillwater Medical Physicians Clinic in Stillwater, Oklahoma. She specializes in managing high blood pressure conditions, including both routine and emergency cases, and provides pediatric hypertension care for younger patients. Her practice includes performing blood tests and complete blood counts to monitor patient health. Patients rate Dr. Clarke 4.0 out of 5 stars for her compassionate and thorough approach to family healthcare.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4
  • 30 years of experience
  • 41 insurance plans accepted
  • speaks English, Spanish
  • Medical College Of Wisconsin
  • 11 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

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

Office Locations

Dr. Mary Sullivan Clarke has 2 locations

Stillwater Medical Physicians Clinic

1815 W 6th AveStillwater, OK 74074
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed

Stillwater Medical Center

1323 W 6th AveStillwater, OK 74074

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Dr. Mary Sullivan Clarke, MDDr. Christopher D. Harris, MDHelix Virtual CareNicole Baldwin, APRN, FNP-BC
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4 
5 
0 
3.7 
30 Years of Experience 8 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English, Spanish Speaks English
Stillwater , OKOklahoma City , OKBoca Raton , FLOrlando , FL
Med School: University Of Oklahoma College Of Medicine Med School: University Of Oklahoma College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mary Sullivan Clarke

  • Accepts Medicare
  • AARP
  • Aetna
  • Aetna Better Health
  • Anthem Blue Cross
  • Assurant Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of North Carolina
  • Blue Cross Blue Shield of Oklahoma
  • Blue Cross Blue Shield of Texas
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Cofinity
  • First Health (Coventry Health Care)
  • GEHA
  • GEHA - PPO
  • Gilsbar 360 Alliance
  • Global Health
  • Golden Rule
  • HealthChoice
  • HealthChoice - Medicare (Advantage HMO)
  • HealthChoice Oklahoma
  • HealthPartners
  • HealthSmart
  • HealthSmart - PPO
  • Humana
  • Imagine Health
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • MVP Health Care
  • Physicians Mutual
  • Priority Health
  • STLDentalPlan| LLC
  • STLDentalPlan| LLC - Workers’ Compensation
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • Wellcare

Medical Specialties

Dr. Mary Sullivan Clarke has the following specialty

Specialty Expertise

Dr. Mary Sullivan Clarke has the following 6 areas of expertise

  • Check-up
  • Contraception
  • Family Planning
  • Immunization
  • Influenza
  • Weight Loss

Certifications, License, & Education

30 Years Experience

Dr. Mary Sullivan Clarke holds an expired medical license in the state of Oklahoma.

Medical License

Medical Doctor with an expired medical license in the state of Oklahoma that expired in 2025.

Education & Training

Residency

Completed their residency at Medical College Of Wisconsin.

Medical School

Graduated from University Of Oklahoma College Of Medicine in 1996.

NPI Number

Dr. Clarke's NPI number is 1194839589.

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Frequently Asked Questions

Where is Dr. Mary Clarke's office located?
Dr. Mary Clarke's office is located at 1815 W 6th Ave, Stillwater, OK, 74074.
Does Dr. Mary Clarke accept my insurance?
You can see the insurance plans that Dr. Mary Clarke accepts on their Vitals profile.
How can I make an appointment with Dr. Mary Clarke?
You can find contact information for Dr. Mary Clarke here on Vitals.
Which hospitals is Dr. Mary Clarke affiliated with?
Dr. Mary Clarke is affiliated with Stillwater Medical Center.
Does Dr. Mary Clarke accept virtual/telehealth appointments?
Dr. Mary Clarke has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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