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Dr. Denis Grillo, DO
Otorhinolaryngeal Surgeon
29 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Denis Grillo, Otorhinolaryngeal Surgeon is Excellent. Dr. Grillo has been reviewed by 18 patients who have provided 7 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.8
Promptness 3.8
Courteous Staff 3.8
Accurate Diagnosis 4.0
Bedside Manner 3.9
Spends Time with Me 4.0
Follows Up After Visit 3.6

Specialties & Research

  • He has special expertise in 3 areas:
  • Asthma
  • Food Allergy (Hypersensitivity)
  • Nasal Allergy (Rhinitis)

Education & Awards

Dr. Grillo graduated from Bicounty - Detroit. He has 2 awards.

Patients' Choice Award (2012 - 2015)
Compassionate Doctor Recognition (2012 - 2013, 2015)


Dr. Grillo has 3 hospital affiliations:

  • Citrus Memorial Hospital 
  • Seven Rivers Community Hospital 
  • Citrus Regional Surgery Center 


  • Italian

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Additional Information
Dr. Denis Walter Grillo DO is a male Allergist, has 29 years of experience and practices in Otolaryngology, Facial Plastic Surgery, Otolaryngology/Facial Plastic Surgery, and Allergy.
Where does Dr. Denis W. Grillo practice?
Dr. Denis Grillo has 1 office location.
Dr. Denis Grillo practices Otolaryngology, Facial Plastic Surgery, Otolaryngology/Facial Plastic Surgery, and Allergy near Crystal River, FL.
See Crystal River Otolaryngologists and Crystal River Allergists.