Physician Profile
Genevieve T. McGerald, DO is a healthcare provider in West Islip, NY specializing in emergency medicine. Medicare claims data shows Genevieve provided 3,521 services to 1,098 patients. The services billed most often include subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, and initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 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.
1000 MONTAUK HWY
West Islip, NY 11795
Within Emergency 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.
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
3,521 services · 1,098 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
2,401 | More than most peers in Emergency Medicine |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
644 | More often than most peers in Emergency Medicine |
| Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99304 |
278 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
63 | More often than most peers in Emergency Medicine |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | Office visit | 99305 |
52 | As often as other peers in Emergency Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
40 | More often than most peers in Emergency Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 | As often as other peers in Emergency Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 | As often as other peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. McGerald is an emergency physician in West Islip, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Dr. McGerald is listed at 1000 Montauk Hwy, West Islip, NY 11795. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 376-4045. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. McGerald's National Provider Identifier is 1063671113. 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
Dr. McGerald attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
Dr. McGerald has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. McGerald the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. 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 Dr. McGerald. 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.