Summary

Dr. Mary Hammack is an internal medicine physician who brings nearly four decades of medical expertise to her practice. She earned her medical degree from the University of Texas Health Science Center at San Antonio Joe R & Teresa Lozano Long School of Medicine and completed her residency at University Hospital South Texas Medical Center. With 38 years of experience treating adult patients, Dr. Hammack focuses on comprehensive internal medicine care. She is fluent in both English and Spanish, allowing her to serve a diverse patient population.

Dr. Hammack practices at multiple locations throughout Plano and Dallas, Texas, with her primary affiliation at Texas Health Presbyterian Hospital Plano. She specializes in managing common but serious conditions including high blood pressure, high cholesterol in children and teens, and elevated blood fats. Her practice includes essential diagnostic services such as complete blood counts and kidney function tests, along with modern remote patient monitoring to help track patient health between visits. Patients consistently rate her care highly, giving her an average rating of 4.2 out of 5 stars.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 38 years of experience
  • 64 insurance plans accepted
  • speaks English, Spanish
  • University Hospital South Texas Medical Center
  • 23 written reviews
  • 1 specialty
  • 6 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 5 office locations
  • Female

Office Locations

Dr. Mary Margaret Hammack has 5 locations

Internal Medicine Associates Of Plano And Frisco

6124 W Parker Rd Ste 234Plano, TX 75093
Mon7:30 am - 5:00 pm
Tue7:30 am - 5:00 pm
Wed7:30 am - 5:00 pm
Thu7:30 am - 5:00 pm
Fri7:30 am - 12:00 pm
SatClosed
SunClosed

Texas Health Dallas

8200 Walnut Hill LnDallas, TX 75231

Texas Health Plano

6200 W Parker RdPlano, TX 75093

Medical City Plano

3901 W 15th StPlano, TX 75075

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Dr. Mary Margaret Hammack, MD
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Dr. Mary Margaret Hammack, MDDr. Jordan Pastorek, MDDr. Sumana Ketha, MDDr. Gustavo Horacio Day, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.2 
4.6 
3.1 
4.2 
38 Years of Experience 24 Years of Experience 35 Years of Experience 36 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks Spanish, English Speaks Spanish, English
Plano , TXFrisco , TXIrving , TXDallas , TX
Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med Med School: LSU Health Sciences Center School of Medicine Med School: Guntur Medical College Med School: Universidad Nacional De Cuyo Facultad De Ciencias Medicas
Current Profile
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Insurance Plans Accepted by Dr. Mary Margaret Hammack

  • Accepts Medicaid
  • AARP
  • AARP - HMO
  • AARP - Medicare
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - POS
  • Aetna - PPO
  • Allegiance Life and Health
  • Assurant Health
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - HMO
  • Blue Cross Blue Shield - Medicare
  • Blue Cross Blue Shield - POS
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Illinois
  • Blue Cross Blue Shield of Kansas City
  • Blue Cross Blue Shield of Texas
  • Blue Cross Blue Shield of Texas - PPO
  • Care N' Care
  • Care N' Care - Medicare
  • CHAMPVA
  • CHAMPVA - HMO
  • Cigna
  • Cigna - PPO
  • Cigna-HealthSpring
  • GEHA
  • Golden Rule
  • Golden Rule - PPO
  • HealthPartners
  • HealthScope Benefits
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Humana - HMO
  • Humana - Medicare
  • Humana - PPO
  • Liberty HealthShare
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicaid
  • Medicare - Medicaid (Managed)
  • Medicare - Medicare
  • Medicare - PPO
  • Meritain Health
  • Meritain Health - HMO
  • Mutual of Omaha
  • Mutual of Omaha - Medicare
  • Nippon Life Benefits
  • Optum Health
  • Sanford Health Plan - PPO
  • STLDentalPlan| LLC
  • Tricare
  • United American
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • UnitedHealthcare Oxford
  • UnitedHealthOne
  • Wellcare

Medical Specialties

Dr. Mary Margaret Hammack has the following specialty

Specialty Expertise

Dr. Mary Margaret Hammack has the following 6 areas of expertise

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

Certifications, License, & Education

38 Years Experience

Dr. Mary Margaret Hammack holds an active medical license in the state of Texas.

Medical License

Medical Doctor with an active medical license in the state of Texas that expires in 2027.

Education & Training

Residency

Completed their residency at University Hospital South Texas Medical Center.

Medical School

Graduated from Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med in 1988.

NPI Number

Dr. Hammack's NPI number is 1871501874.

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Frequently Asked Questions

Which hospitals is Dr. Mary Hammack affiliated with?
Dr. Mary Hammack is affiliated with Texas Health Presbyterian Hospital Plano.
Does Dr. Mary Hammack accept my insurance?
You can see the insurance plans that Dr. Mary Hammack accepts on their Vitals profile.
Does Dr. Mary Hammack accept virtual/telehealth appointments?
Dr. Mary Hammack has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. Mary Hammack's office located?
Dr. Mary Hammack's office is located at 6124 W Parker Rd Ste 234, Plano, TX, 75093.
What languages does Dr. Mary Hammack speak?
Dr. Mary Hammack speaks English and Spanish.

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