Summary

Dr. Grenell works in Kamuela, HI and 2 other locations and specializes in Emergency Medicine. Dr. Grenell is affiliated with Hilo Medical Center, Saint Marys Regional Medical Center, Renown Regional Medical Center, Queens North HawaII Community Hospital and NORTHERN NEVADA SIERRA MEDICAL CENTER.

Quick Facts

  • 5
  • 1 written review
  • 1 specialty
  • 3 areas of expertise
  • 1 board certification
  • 5 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. Walter Burt Grenell has 4 locations

Queens North Hawaii Community Hospital

67-1125 Mamalahoa HwyKamuela, HI 96743

Renown Regional Medical Center

1155 Mill StReno, NV 89502

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Dr. Walter Burt Grenell, DODr. Frank Byoung Lee, MDDr. Natalia Velez IsazaDr. Stephen Petrou
Emergency MedicineEmergency MedicineEmergency MedicineEmergency Medicine
Accepts New Patients
23 Years of Experience 7 Years of Experience 8 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish, Tagalog, Portuguese
Kamuela , HIAllen , TXHilo , HIKealakekua , HI
Med School: New York Medical College Med School: St Georges University School Of Medicine Med School: St Georges University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Walter Burt Grenell

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Walter Burt Grenell has the following specialty

Specialty Expertise

Dr. Walter Burt Grenell has the following 3 areas of expertise

  • Accidents
  • Injury
  • Trauma

Certifications, License, & Education

MEDICAL LICENSE

Doctor Of Osteopathy, Hawaii, 2026, Active
Doctor Of Osteopathy, Nevada, 2025, Expired

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Frequently Asked Questions

How can I make an appointment with Dr. Walter Grenell?
You can find contact information for Dr. Walter Grenell here on Vitals.
Where is Dr. Walter Grenell's office located?
Dr. Walter Grenell's office is located at 67-1125 Mamalahoa Hwy, Kamuela, HI, 96743.
Which hospitals is Dr. Walter Grenell affiliated with?
Dr. Walter Grenell is affiliated with Hilo Medical Center, Saint Marys Regional Medical Center, Renown Regional Medical Center, Queens North HawaII Community Hospital, and NORTHERN NEVADA SIERRA MEDICAL CENTER.
Does Dr. Walter Grenell accept virtual/telehealth appointments?
Dr. Walter Grenell has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Walter Grenell accept my insurance?
You can see the insurance plans that Dr. Walter Grenell accepts on their Vitals profile.

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