Summary

Dr. William Day is an internal medicine physician who also specializes in allergy and immunology. He earned his medical degree from Eastern Virginia Medical School and has been practicing medicine for seven years. His dual specialty training allows him to care for patients with complex conditions that involve both internal medicine concerns and allergic or immune system disorders.

Dr. Day practices at locations in Bethesda, Maryland and Portsmouth, Virginia, including Walter Reed National Military Medical Center and Naval Medical Center Portsmouth. He treats patients with sleep-related breathing disorders, including obstructive sleep apnea in both adults and children. His approach to care includes physical therapy interventions, strength training programs, and hands-on manual therapy techniques to help patients manage their conditions effectively.

Overview based on verified provider data

Quick Facts

  • 7 years of experience
  • 5 insurance plans accepted
  • Eastern Virginia Medical School
  • 2 specialties
  • 1 area of expertise
  • 3 office locations
  • Male

Office Locations

Dr. William Grant Day has 3 locations

Walter Reed National Military Medical Center

8901 Rockville PikeBethesda, MD 20889

Dr. William Grant Day

620 John Paul Jones CirPortsmouth, VA 23708

Naval Medical Center Portsmouth

620 John Paul Jones CirPortsmouth, VA 23708

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Dr. William Grant DayDr. Meera Ramakrishnan, MDDr. Matthew Bruntel, DODr. Nana Amoah, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.3 
7 Years of Experience 18 Years of Experience 22 Years of Experience 30 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 English, Spanish, Farsi
Bethesda , MDGaithersburg , MDGaithersburg , MDAnnandale , VA
Med School: Eastern Virginia Medical School Med School: Albert Einstein College of Medicine Med School: Philadelphia College of Osteopathic Medicine Med School: Kwame Nkrumah University Of Science & Technology School Of Medical Sciences
Current Profile
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Insurance Plans Accepted by Dr. William Grant Day

  • Aetna Better Health
  • Blue Cross Blue Shield
  • Medicare
  • Medicare - Medicare
  • Tricare

Medical Specialties

Dr. William Grant Day has the following 2 specialties

Specialty Expertise

Dr. William Grant Day has the following area of expertise

  • Allergy & Immunology

Certifications, License, & Education

7 Years Experience

Dr. William Grant Day holds an active medical license in the state of Virginia.

Medical License

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

Education & Training

Medical School

Graduated from Eastern Virginia Medical School in 2019.

NPI Number

Dr. Day's NPI number is 1740745041.

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Frequently Asked Questions

Does Dr. William Day accept virtual/telehealth appointments?
Dr. William Day has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Dr. William Day's office located?
Dr. William Day's office is located at 8901 Rockville Pike, Bethesda, MD, 20889.
How can I make an appointment with Dr. William Day?
You can find contact information for Dr. William Day here on Vitals.
Does Dr. William Day accept my insurance?
You can see the insurance plans that Dr. William Day accepts on their Vitals profile.
Is Dr. William Day accepting new patients?
Dr. William Day has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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