Physician Profile
William A. Maiorino, MD is a healthcare provider in West Islip, NY specializing in anesthesiology. William trained at New York Medical College, graduating in 1989. According to Medicare claims data, William cared for 86 Medicare patients across 87 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, insertion of artery tube for blood sampling or infusion through skin, and anesthesia for x-ray exam of arteries and veins using contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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 GOOD SAMARITAN HOSPITAL
West Islip, NY 11795
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
87 services · 86 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
13 | Less often than most peers in Anesthesiology |
| Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance | Procedure | 64488 |
11 | Less often than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
17 | Less often than most peers in Anesthesiology |
| Anesthesia for x-ray exam of arteries and veins using contrast | Anaesthesia | 01916 |
13 | As often as other peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
11 | Less often than most peers in Anesthesiology |
| Anesthesia for x-ray or radiation therapy | Anaesthesia | 01922 |
11 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Maiorino is an anesthesiologist in West Islip, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Dr. Maiorino is listed at 1000 Montauk Hwy Good Samaritan Hospital, 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) 376-4088. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Maiorino's National Provider Identifier is 1508840174. 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. Maiorino attended New York Medical College, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
Dr. Maiorino has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Maiorino performs procedures including insertion of artery tube for blood sampling or infusion through skin, injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance and injection of anesthetic agent and/or steroid into other nerve or branch; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for x-ray exam of arteries and veins using contrast. 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. Maiorino. 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.