Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Denis Walter Grillo, DO

Individual provider Otolaryngology/Facial Plastic Surgery Physician · NPI 1235127937

Dr. Denis Walter Grillo, DO is an Otolaryngology in Crystal River, Florida. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1982, 44 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
44
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
FL
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

790 SE 5th Ter
Crystal River, FL 34429-4852
Phone: (352) 795-0011
Fax: (352) 795-9481
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology/Facial Plastic Surgery Physician (primary) Taxonomy 207YX0905X · Licence OS5716 (FL)

Record details

NPI number1235127937
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 7, 2005
Last updated in NPPESSeptember 11, 2018
Mailing address790 Se 5th Ter, Crystal River, FL 34429-4852

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOTOLARYNGOLOGY
Also practisesALLERGY/IMMUNOLOGY, PLASTIC AND RECONSTRUCTIVE SURGERY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1982 (44 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Crystal River