Physician Profile
Glen T. Granati, M.D. is a healthcare provider in Port Jefferson, NY specializing in critical care medicine. Glen is also listed as specializing in pulmonary disease. Medicare claims data shows Glen provided 295 services to 201 patients. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
MATHER HOSPITAL, 75 N COUNTRY RD
Port Jefferson, NY 11777
Dept. of Medicine, HSC Level 16, SUNY Stony Brook
Stony Brook, NY 11794
Within Critical Care Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Blood & metabolism
Brain & nerve
Brain & Nervous System
Breathing & Lungs
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
Medication reactions
Metabolic Emergencies
Muscle & kidney
Organ Failure
Pregnancy emergencies
Recovery
Substance emergencies
Toxicity & Trauma
Airway & Breathing
Airway procedures
Brain procedures
Breathing support
Consultation & Recovery
Digestive procedures
Emergency surgery
Fluid Drainage
Heart procedures
Heart support
ICU recovery
Lab tests & monitoring
Life Support
Medication therapies
Medications & Infusions
Monitoring
Nutrition & Digestion
Nutrition support
Organ Support
Vascular Access
295 services · 201 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test to determine lung volumes using sensors | Treatment | 94726 |
18 | Less often than most peers in Critical Care Medicine |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
17 | Less often than most peers in Critical Care Medicine |
| Test to measure rate of airflow | Treatment | 94375 |
16 | Less often than most peers in Critical Care Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
94 | As often as other peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
88 | More often than most peers in Critical Care Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
29 | More often than most peers in Critical Care Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
17 | Less often than most peers in Critical Care Medicine |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
16 | Less often than most peers in Critical Care Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Glen T. Granati is a critical care physician in Port Jefferson, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.
NPI registry
Glen T. Granati is listed at Mather Hospital, 75 N Country Rd, Port Jefferson, NY 11777. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 473-1320. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Glen T. Granati's National Provider Identifier is 1467872739. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Glen T. Granati attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Glen T. Granati has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Glen T. Granati provides treatments such as test to determine lung volumes using sensors and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Glen T. Granati. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.