Summary

Dr. Mark Castellaw is an internal medicine physician with 45 years of experience treating patients across the Memphis area. He earned his medical degree from the University of Tennessee Health Science Center College of Medicine and completed his residency training at Methodist Hospital. Throughout his extensive career, Dr. Castellaw has developed particular expertise in managing high blood pressure conditions, including both routine hypertension and emergency situations requiring immediate intervention. He speaks English and brings nearly five decades of clinical knowledge to patient care.

Dr. Castellaw practices at multiple locations throughout Germantown and Memphis, Tennessee, with hospital affiliations including Methodist University Hospital, Baptist Memorial Hospital Golden Triangle, and Le Bonheur Children's Hospital. His focus areas include treating high blood pressure in both adult and pediatric patients. He performs diagnostic procedures such as electrocardiograms to evaluate heart function and incorporates physical therapy and strength training into patient treatment plans. Patients rate Dr. Castellaw 3.6 out of 5 stars on average.
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Quick Facts

  • accepting new patients
  • 3.6
  • 45 years of experience
  • speaks English
  • Methodist Hospital
  • 14 written reviews
  • 1 specialty
  • 7 areas of expertise
  • 9 hospital affiliations
  • 3 office locations
  • Male

Office Locations

Dr. Mark Allan Castellaw has 3 locations

Baptist Memorial Medical Group Inc

8040 Wolf River Blvd Ste 200Germantown, TN 38138
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 10:30 am
Sat8:00 am - 10:30 am
SunClosed

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Dr. Mark Allan Castellaw, MD
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Dr. Mark Allan Castellaw, MDDr. Kenneth Bonaparte, MDDr. Sonal Mehr, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
4.5 
3.9 
45 Years of Experience 18 Years of Experience 25 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English
Germantown , TNMemphis , TNMemphis , TNLyons , CO
Med School: University Of Tennessee Health Science Center College Of Medicine Med School: Georgetown University, Washington, DC Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mark Allan Castellaw

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Mark Allan Castellaw has the following specialty

Specialty Expertise

Dr. Mark Allan Castellaw has the following 7 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

45 Years Experience

MEDICAL LICENSE

Medical Doctor, Tennessee, 2026, Expired

EDUCATION & TRAINING

Residency

Methodist Hospital

Medical School

University Of Tennessee Health Science Center College Of MedicineGraduated in 1981

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Frequently Asked Questions

Does Dr. Mark Castellaw accept virtual/telehealth appointments?
Dr. Mark Castellaw has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. Mark Castellaw accepting new patients?
Dr. Mark Castellaw is accepting new patients on Vitals. View Dr. Mark Castellaw's profile on Vitals to make an appointment.
Does Dr. Mark Castellaw accept my insurance?
You can see the insurance plans that Dr. Mark Castellaw accepts on their Vitals profile.
Which hospitals is Dr. Mark Castellaw affiliated with?
Dr. Mark Castellaw is affiliated with Methodist University Hospital, Baptist Memorial Hospital Golden Triangle, Le Bonheur Childrens Hospital, Methodist Le Bonheur Germantown Hospital, Baptist Memorial Hospital Memphis, Select Specialty Hospital Memphis, Baptist Memorial Restorative Care Hospital For East, Baptist Memorial Hospital For Women, and Spence And Becky Wilson Baptist Childrens Hospital.
How can I make an appointment with Dr. Mark Castellaw?
You can find contact information for Dr. Mark Castellaw here on Vitals.

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