DR. DENIS WALTER GRILLO D.O.
NPI 1235127937
Otolaryngology - Otolaryngology/Facial Plastic Surgery in Crystal River, FL

Q: What is Denis Grillo's NPI number?

The NPI number for Denis Grillo is 1235127937. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Q: What is Denis Grillo's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.

Q: When was this NPI record last updated?

The NPPES record for Denis Grillo was last updated on September 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 07, 2005PECOS EnrolledAccepts Medicare Assignment

75/100

CMS Quality Rating

790 SE 5TH TER, CRYSTAL RIVER, FL 34429(352) 795-0011(352) 795-9481 Get Directions Write a Review

NPPES record last updated: September 11, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Denis Walter Grillo D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DENIS WALTER GRILLO D.O. (NPI 1235127937) is an individual otolaryngology/facial plastic surgery provider in Crystal River, Florida, licensed in Florida (OS5716) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Citrus Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (1982).

NPPES Registry Identity

NPI1235127937

Entity TypeIndividualMale

Primary Taxonomy207YX0905X

Provider Legal NameDR. DENIS WALTER GRILLOCredential: D.O.

Location Address790 SE 5TH TERCrystal River, FL 34429-4852

Mailing Address790 Se 5th TerCrystal River, FL 34429-4852 · (352) 795-0011 · Fax (352) 795-9481

Phone(352) 795-0011

Fax(352) 795-9481

Sole ProprietorYes

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 1982

Enumeration DateOctober 7, 2005

Last NPPES UpdateSeptember 11, 2018

✔ NPI 1235127937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngology · Otolaryngology/Facial Plastic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207YX0905X

License✔ Licensed in FL · OS5716

Definition

An otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.

790 SE 5TH TER, Crystal River, FL 34429

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Other Identifiers 4

OtherP00062969FL · Medicare Railroad

Other80221FL · Bcbs Of Florida

Other1409549FL · Umw

Other200691FL · Avmed

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Denis Walter Grillo D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5193611077

PECOS Enrollment IDI20040226000665

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 19

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

1,270 services58 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

1,127 services757 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

990 services56 patients

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

612 services18 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

578 services17 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

539 services392 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

370 services370 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

281 services240 patients

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

196 services194 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

167 services134 patients

Test for eardrum and muscle function 92550

This test assesses the health of your eardrum and muscles linked to hearing. A small device is placed in your ear that creates pressure changes and sounds. Your ear's responses are recorded to determine if they are functioning properly.

118 services118 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

110 services110 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

82 services77 patients

Exam of ear using a microscope 92504

An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.

44 services30 patients

Removal or destruction of growth of nose through nose 30117

This procedure involves removing or destroying a growth in the nose. It's done through the nostrils, so no external cuts are made. The growth could be a polyp, cyst, or other abnormal tissue. It helps improve breathing and reduces discomfort or other symptoms caused by the growth.

28 services21 patients

Exam of the nose and throat using an endoscope 92511

An endoscopic examination of the nose and throat is a procedure where a thin, flexible tube with a light and camera attached (endoscope) is used to view these areas in detail. It helps identify any abnormalities or issues that may be causing symptoms like difficulty swallowing, persistent cough, or nasal congestion.

26 services24 patients

Simple removal of skin debris and drainage of mastoid cavity 69220

This procedure involves clearing out skin debris and draining fluid from the mastoid cavity, an air-filled space in the skull behind the ear. It's done to relieve discomfort, improve hearing, and prevent complications related to ear infections or other conditions.

16 services13 patients

Destruction of soft tissue of nasal passages 30801

Destruction of soft tissue in the nasal passages involves removing or reducing specific tissues in your nose that may be causing problems such as blockages or excessive snoring. The procedure is performed by a medical professional using specialized tools and techniques. It's typically safe and effective.

12 services12 patients

Incision of eardrum with placement of eardrum tube under general anesthesia 69436

This procedure involves making a small cut in the eardrum to drain fluid and alleviate pressure. A tiny tube is then inserted to keep the hole open and prevent further fluid buildup. General anesthesia is used to ensure patient comfort.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Florida Citrus Hospital

Acute Care Hospitals · Inverness, FL

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number100023

Location502 W Highland BlvdInverness, FL 34452 · Citrus County

Emergency services Birthing friendly

Uf Health Shands Hospital

Acute Care Hospitals · Gainesville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100113

Location1600 SW Archer RdGainesville, FL 32610 · Alachua County

Emergency services Birthing friendly

Tampa General Hospital Crystal River

Acute Care Hospitals · Crystal River, FL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100249

Location6201 N Suncoast BlvdCrystal River, FL 34428 · Citrus County

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Reported Quality Measures

Acute Otitis Externa (AOE): Systemic Antimicrobial Therapy - Avoidance of Inappropriate Use

Percentage of patients aged 2 years and older with a diagnosis of AOE who were not prescribed systemic antimicrobial therapy

94%80 patients

Acute Otitis Externa (AOE): Topical Therapy

Percentage of patients aged 2 years and older with a diagnosis of AOE who were prescribed topical preparations

100%115 patients5/55-star benchmark: 100%

Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)

Percentage of patients, aged 18 years and older, with a diagnosis of acute viral sinusitis who were prescribed an antibiotic within 10 days after onset of symptoms

Lower rates are better for this measure.

68%37 patients2/55-star benchmark: 100%

Adult Sinusitis: Computerized Tomography (CT) for Acute Sinusitis (Overuse)

Percentage of patients aged 18 years and older with a diagnosis of acute sinusitis who had a computerized tomography (CT) scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosis

Lower rates are better for this measure.

3%67 patients

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

89%390 patients3/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

2 suppliers11 claims11 services$12.62 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CRYSTAL COMMUNITY E N T

Otolaryngology (Otolaryngology/Facial Plastic Surgery)

790 SE 5TH TER
CRYSTAL RIVER, FL 34429

Citrus County (352) 795-0011

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Denis Grillo's NPI number?

The NPI number for Denis Grillo is 1235127937. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is Denis Grillo located?

Denis Grillo practices at 790 SE 5th Ter, Crystal River, FL 34429. The listed phone number is (352) 795-0011.

What is Denis Grillo's specialty?

The primary specialty registered for this NPI is Otolaryngology, specializing in Otolaryngology/Facial Plastic Surgery, with taxonomy code 207YX0905X.

Is Denis Grillo enrolled in Medicare?

Yes. Denis Grillo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Denis Grillo accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Denis Grillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Denis Grillo affiliated with any hospitals?

According to CMS data, Denis Grillo is affiliated with Hca Florida Citrus Hospital, Uf Health Shands Hospital and Tampa General Hospital Crystal River.

When was this NPI record last updated?

The NPPES record for Denis Grillo was last updated on September 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.