Summary

Dr. Cathy Nieman has practiced internal medicine for 30 years and is affiliated with Stillwater Medical Center. She treats hypertension, type 2 diabetes mellitus, and hypertensive emergency. Dr. Nieman completed her medical degree and residency at the University of Oklahoma College of Medicine and sees patients in Stillwater, Oklahoma.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 30 years of experience
  • 36 insurance plans accepted
  • speaks English
  • University Of Oklahoma College Of Medicine
  • 4 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 hospital affiliation
  • 2 office locations
  • Female

Patients’ Perspective

  • Had a good bedside manner
  • Spent time with me
  • Flexible scheduling

Office Locations

Dr. Cathy Elizabeth Nieman has 2 locations

Stillwater Medical Physicians Clinic

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

Stillwater Medical Center

1323 W 6th AveStillwater, OK 74074

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Dr. Cathy Elizabeth Nieman, MDDr. John Williams, MDDr. Jeffrey Halford, DODr. Adewumi Bakare DMSc, PA-C
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
4 
4.5 
0 
30 Years of Experience 46 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin)
Stillwater , OKStillwater , OKBixby , OKMesquite , TX
Med School: University Of Oklahoma College Of Medicine Med School: University of Oklahoma Health Science Center Med School: Oklahoma State Univ Center For Health Sciences College Of Osteopathic Med Med School: University of Lynchburg - DMSc
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Cathy Elizabeth Nieman

  • Accepts Medicare
  • AARP
  • Aetna
  • Aetna Better Health
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Oklahoma
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Companion Life
  • First Health (Coventry Health Care)
  • GEHA
  • Gilsbar 360 Alliance
  • Global Health
  • Golden Rule
  • HealthChoice
  • HealthChoice Oklahoma
  • HealthSmart
  • HealthSmart - PPO
  • Humana
  • Humana - Medicaid (Managed)
  • Magellan Health
  • Magellan Health - Medicare
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Physicians Mutual
  • STLDentalPlan| LLC
  • STLDentalPlan| LLC - Workers’ Compensation
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare
  • Wellcare
  • Wellcare - Medicare

Medical Specialties

Dr. Cathy Elizabeth Nieman has the following specialty

Specialty Expertise

Dr. Cathy Elizabeth Nieman has the following 6 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

30 Years Experience

Dr. Cathy Elizabeth Nieman 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 2026.

Education & Training

Residency

Completed their residency at University Of Oklahoma College Of Medicine.

Medical School

Graduated from University Of Oklahoma College Of Medicine in 1996.

NPI Number

Dr. Nieman's NPI number is 1578556171.

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Frequently Asked Questions

Is Dr. Cathy Nieman accepting new patients?
Dr. Cathy Nieman is accepting new patients on Vitals. View Dr. Cathy Nieman's profile on Vitals to make an appointment.
Does Dr. Cathy Nieman accept my insurance?
You can see the insurance plans that Dr. Cathy Nieman accepts on their Vitals profile.
How can I make an appointment with Dr. Cathy Nieman?
You can find contact information for Dr. Cathy Nieman here on Vitals.
Which hospitals is Dr. Cathy Nieman affiliated with?
Dr. Cathy Nieman is affiliated with Stillwater Medical Center.
Where is Dr. Cathy Nieman's office located?
Dr. Cathy Nieman's office is located at 1815 W 6th Ave, Stillwater, OK, 74074.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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