Dr. Denis Walter Grillo, DO
- Medicare services, 2024
- 6,590
- Medicare patients, 2024
- 1,214
- Part D claims, 2024
- 515
- MIPS score, 2024
- 75
- Hospital affiliations
- 3
- Practice address
- 790 Se 5th Ter, Crystal River, FL 34429
- Practice phone
- Call (352) 795-0011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Crystal Community E N T
Audiology & hearing practice · Crystal River, Florida
Find Dr. Grillo's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Denis Walter Grillo is an otolaryngology/facial plastic surgery physician in Crystal River, Florida
Dr. Grillo practices at Crystal Community E N T in Crystal River, Florida.
Dr. Grillo's NPI, 1235127937, was assigned on October 7, 2005. Dr. Grillo graduated from Kirksville College of Osteopathic Medicine in 1982. Dr. Grillo holds Florida license OS5716.
- NPI
- 1235127937NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193611077
- NPI enumeration date
- October 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (352) 795-0011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Denis Walter Grillo practices at Crystal Community E N T in Crystal River, Florida
Dr. Grillo's primary practice is Crystal Community E N T, at 790 Se 5th Ter, Crystal River, FL 34429. The practice phone is (352) 795-0011.
- Crystal Community E N T790 Se 5th Ter, Crystal River, FL 34429Phone(352) 795-0011
Source: Dmand AI Affiliation Data
Dr. Denis Walter Grillo is affiliated with 4 sites of care and 1 medical group
Dr. Grillo's primary practice is Crystal Community E N T in Crystal River, Florida. Dr. Grillo is also affiliated with Tampa General Hospital Crystal River. The medical group on file is Crystal Community E.N.T. & Facial Plastic Surgery. Dmand AI also links Dr. Grillo to 2 more hospitals, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Denis Walter Grillo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grillo practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crystal Community E N T | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Denis Walter Grillo is one of 56 otolaryngology/facial plastic surgery physicians in Florida
Otolaryngology/facial plastic surgery is Dr. Grillo's primary specialty in the NPI Registry, under taxonomy code 207YX0905X. Dr. Grillo is board certified in 1989 - 2026 by the FL State License. Dr. Grillo is licensed in Florida.
Specialties and state licenses
- Otolaryngology/facial plastic surgery, FloridaPrimary
Clinical focus
Dmand AI lists acute sinusitis, chronic nasal allergies, chronic sinusitis, ear eustachian tube disorders, ear infection, endoscopic sinus surgery, hearing loss and impairment and larynx and vocal cord disease among the conditions Dr. Grillo treats.
Otolaryngology/facial plastic surgery physicians near Dr. Grillo
Counts of otolaryngology/facial plastic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Denis Walter Grillo billed Medicare for 6,590 services in 2024
CMS data shows 6,590 Medicare services from Dr. Grillo across 20 procedure codes in 2024, for 1,214 Medicare patients. Medicare paid $250,874 for them.
Dr. Grillo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 4,7652024: 3,91618%
- Office and hospital visits
- 2023: 1,9442024: 1,60717%
- Surgery
- 2023: 1,2312024: 1,06713%
Where Dr. Grillo's Medicare services took place, 2024
- In an office6,578100%
- In a facility120%
Dr. Grillo compared with the Florida median for otolaryngology/facial plastic surgery physicians, 2024
- Dr. Grillo
- Florida median
- Medicare services
- 6,590vs 1,1935.5 times
- Medicare patients
- 1,214vs 4802.5 times
- Part D claims
- 433vs 50114% below
Medians across 50 otolaryngology/facial plastic surgery physicians in Florida with Dmand AI profiles that report each measure.
Dr. Grillo's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grillo and other otolaryngology/facial plastic surgery physicians in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Denis Walter Grillo treated 1,214 Medicare patients in 2024, average age 78
CMS counts 1,214 Medicare patients who saw Dr. Grillo in 2024. The largest group is 75 to 84, with 566 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 2% are also on Medicaid. Their average risk score is 1.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Grillo's median patient age at 73, with 49% women.
Dr. Grillo's Medicare patients by age, 2024
Dr. Grillo's Medicare patients by sex, 2024
- Women62752%
- Men58748%
Chronic conditions among Dr. Grillo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease42%
- Ischemic heart disease41%
- COPD31%
- Diabetes30%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grillo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Denis Walter Grillo wrote 515 Medicare Part D claims in 2024
In 2024, Dr. Grillo wrote 515 Medicare Part D claims for 291 patients. 90% of them were for generic drugs. CMS names the drug for 433 of them, across 12 drugs with 11 or more claims each, at $22,226 in total drug cost. In 2023, CMS named 456 claims across 15 drugs.
Dr. Grillo's Part D claims by kind of drug, 2024
- Generic461 claims90%
- Brand-name54 claims10%
Dr. Grillo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grillo's Part D claims, 2024
- Opioids4%21 of 515 claims
- Antibiotics12%63 of 515 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4562024: 4335%
Drugs named by CMS: 12 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Denis Walter Grillo scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Grillo for performance year 2024, reported individually. Dr. Grillo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Denis Walter Grillo received $1,675 in industry payments from 2016 to 2025
CMS Open Payments shows 34 general payments to Dr. Grillo from 14 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 51% of the total. Intersect ENT, Inc. paid the most, $1,290.
General payments to Dr. Grillo by program year, 2016 to 2025
General payments to Dr. Grillo by kind, 2016 to 2025
- Travel and lodging$86151%
- Food and beverage$81449%
Companies that paid Dr. Grillo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Denis Walter Grillo has 1 award and honors on record
Dmand AI lists 1 award for Dr. Grillo.
Awards and honors for Dr. Grillo
- Undated
- AAO-HNS Fellow
Source: Dmand AI Professional Profile Data
Dr. Denis Walter Grillo graduated from Kirksville College of Osteopathic Medicine
Dr. Grillo graduated from Kirksville College of Osteopathic Medicine in 1982. Dr. Grillo is a member of NHS and AOA.
- Medical school
- Board certified in 1989 - 2026
- Board certified in 1983 - 1989
- Board certified in 1987 - 1989
Source: Dmand AI Professional Profile Data
Dr. Denis Walter Grillo accepts plans from 16 insurance carriers
Dr. Grillo is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- Alliant Health Plans
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- +8 more carriersWith a free account
Plan types Dr. Grillo accepts, by number of carriers
- PPO10
- Medicare8
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Denis Walter Grillo's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Denis Walter Grillo
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Denis Walter Grillo's NPI number?
Dr. Denis Walter Grillo's NPI number is 1235127937. It was assigned on October 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Denis Walter Grillo?
Dr. Denis Walter Grillo is an otolaryngology/facial plastic surgery physician in Crystal River, Florida. The primary specialty in the NPI Registry is Otolaryngology/Facial Plastic Surgery Physician (taxonomy code 207YX0905X).
Where does Dr. Denis Walter Grillo practice?
Dr. Grillo practices at 790 Se 5th Ter, Crystal River, FL 34429. Dr. Grillo's primary practice is Crystal Community E N T in Crystal River, Florida. Dmand AI also links Dr. Grillo to 2 hospitals.
What is Dr. Denis Walter Grillo's office phone number?
The practice phone on file for Dr. Grillo is (352) 795-0011.
What is Dr. Denis Walter Grillo's medical license number?
Dr. Grillo holds Florida license OS5716.
Which hospitals is Dr. Denis Walter Grillo affiliated with?
Dr. Grillo is affiliated with Tampa General Hospital Crystal River. Dmand AI links Dr. Grillo to 2 more hospitals.
What medical group is Dr. Denis Walter Grillo part of?
Dr. Grillo is linked to Crystal Community E.N.T. & Facial Plastic Surgery.
Does Dr. Denis Walter Grillo accept Medicare?
Yes. CMS data shows Dr. Grillo billed Medicare for 6,590 services in 2024, and Dr. Grillo accepts Medicare assignment.
What is Dr. Denis Walter Grillo's MIPS score?
Dr. Grillo's MIPS final score for performance year 2024 is 75 out of 100, reported individually.
How many Medicare patients does Dr. Denis Walter Grillo see?
CMS counts 1,214 Medicare patients who saw Dr. Grillo in 2024, with an average age of 78.
Show 7 more questionsShow fewer questions
Is Dr. Denis Walter Grillo board certified?
Yes. Dr. Grillo is board certified in 1989 - 2026 by the FL State License.
What services does Dr. Denis Walter Grillo bill to Medicare?
In 2024, Dr. Grillo's most billed Medicare services were allergy test or treatment (95165), office visit, established patient (99213) and allergy test or treatment (95117).
Where did Dr. Denis Walter Grillo go to medical school?
Dr. Grillo graduated from Kirksville College of Osteopathic Medicine in 1982.
What drugs does Dr. Denis Walter Grillo prescribe most?
In 2024 Medicare Part D data, Dr. Grillo's most prescribed drugs by claims were Ipratropium Bromide, Neomycin-Polymyxin-Hc and Epinephrine.
Has Dr. Denis Walter Grillo received payments from drug or device companies?
CMS Open Payments shows $1,675 in general payments to Dr. Grillo from 14 companies from 2016 to 2025. The largest total came from Intersect ENT, Inc.
How long has Dr. Denis Walter Grillo been practicing?
Dr. Grillo graduated from medical school in 1982, 44 years ago.
What insurance does Dr. Denis Walter Grillo accept?
Dr. Grillo is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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