Denis Grillo, D.O.
NPI 1235127937 · Otolaryngology/Facial Plastic Surgery Physician · Crystal River, FL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denis Grillo, D.O. is a Otolaryngology/Facial Plastic Surgery Physician provider in Crystal River, FL (NPI 1235127937).
Provider details
- NPI number
- 1235127937
- Entity type
- Individual
- Primary specialty
- Otolaryngology/Facial Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS5716 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
6,590 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,270 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,127 | $90 |
| Professional Service for Multiple Injections of Allergen95117 | 990 | $12 |
| Test for Allergy Using Allergenic Extract95004 | 612 | $4 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 578 | $8 |
| Removal of Impacted Ear Wax69210 | 539 | $46 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 127 | 56 |
| Neomycin/Polymyxin B/Hydrocortbrand: Neomycin-Polymyxin-Hc | 64 | 60 |
| Epinephrine | 50 | 44 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 32 | 28 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 30 | 26 |
| Cephalexin | 24 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-07
- Last updated
- 2018-09-11
Frequently asked questions
- What is Denis Grillo's NPI number?
- Denis Grillo's National Provider Identifier (NPI) is 1235127937, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denis Grillo's specialty?
- Denis Grillo is listed in the NPPES registry with a primary specialty of Otolaryngology/Facial Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Denis Grillo located?
- Denis Grillo's practice location on file with NPPES is 790 Se 5th Ter, Crystal River, FL 34429-4852.
- What is Denis Grillo's phone number?
- The practice phone number listed in the NPPES registry for Denis Grillo is (352) 795-0011.
- Does Denis Grillo accept Medicare?
- Denis Grillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denis Grillo's NPI active?
- Yes — Denis Grillo's NPI (1235127937) is active in the NPPES registry as of the last update on 2018-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.