Dr. William E. McCormick, MD
- Medicare services, 2024
- 208
- Medicare patients, 2024
- 100
- Part D claims, 2017
- 11
- Hospital affiliations
- 1
- Industry payments
- $1,393
- Practice address
- 380 Montauk Hwy, West Islip, NY 11795
- Practice phone
- Call (631) 422-5371
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
William E McCormick, MD
West Islip, New York
Find Dr. McCormick's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William E. McCormick is a neurosurgeon in West Islip, New York
Dr. McCormick practices at William E McCormick, MD in West Islip, New York.
Dr. McCormick's NPI, 1043290687, was assigned on January 19, 2006. Dr. McCormick graduated from University of Rochester School of Medicine and Dentistry in 1997. Dr. McCormick holds New York license 2279121.
- NPI
- 1043290687NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466425137
- NPI enumeration date
- January 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 422-5371
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William E. McCormick practices at William E McCormick, MD in West Islip, New York
Dr. McCormick's primary practice is William E McCormick, MD, at 380 Montauk Hwy, West Islip, NY 11795 in Suffolk County. The practice phone is (631) 422-5371.
- William E McCormick, MD380 Montauk Hwy, West Islip, NY 11795 · Suffolk CountyPhone(631) 422-5371
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William E. McCormick is affiliated with 3 sites of care
Dr. McCormick's primary practice is William E McCormick, MD in West Islip, New York. Dr. McCormick is also affiliated with Good Samaritan University Hospital. Dmand AI also links Dr. McCormick to 1 more physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William E. McCormick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McCormick practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| William E McCormick, MD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William E. McCormick is one of 455 neurosurgeons in New York
Neurological surgery is Dr. McCormick's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. McCormick is licensed in New York.
Specialties and state licenses
- Neurological surgery, New YorkPrimary
Neurosurgeons near Dr. McCormick
Counts of neurosurgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William E. McCormick billed Medicare for 208 services in 2024
CMS data shows 208 Medicare services from Dr. McCormick across 7 procedure codes in 2024, for 100 Medicare patients. Medicare paid $17,153 for them.
Dr. McCormick's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1762024: 1647%
- Imaging
- 2023: 792024: 4444%
Where Dr. McCormick's Medicare services took place, 2024
- In an office11555%
- In a facility9345%
Dr. McCormick compared with the New York median for neurosurgeons, 2024
- Dr. McCormick
- New York median
- Medicare services
- 208vs 16228% above
- Medicare patients
- 100vs 11312% below
- Part D claims
- 11vs 2250% below
Medians across 411 neurosurgeons in New York with Dmand AI profiles that report each measure.
Dr. McCormick's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. McCormick?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McCormick and other neurosurgeons in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William E. McCormick treated 100 Medicare patients in 2024, average age 75
CMS counts 100 Medicare patients who saw Dr. McCormick in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have arthritis, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 1.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McCormick's median patient age at 62, with 48% women.
Dr. McCormick's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. McCormick's Medicare patients by sex, 2024
- Women5353%
- Men4747%
Chronic conditions among Dr. McCormick's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease65%
- Diabetes47%
- Anxiety44%
- Stroke or TIA43%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. McCormick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women48%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William E. McCormick wrote 11 Medicare Part D claims in 2017
In 2017, Dr. McCormick wrote 11 Medicare Part D claims. They cover 1 drug, with $150 in total drug cost. In 2016, CMS named 24 claims across 1 drug.
Dr. McCormick's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 242017: 1154%
Drugs named by CMS: 1 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. William E. McCormick ranks in the 59th percentile for spinal fusion in Medicare
Dr. McCormick accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 58 procedures of spinal fusion by Dr. McCormick, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. McCormick ranks in Medicare procedure volume
- Spinal fusion
- 59th percentile58 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 51st percentile22 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William E. McCormick received $1,393 in industry payments from 2017 to 2024
CMS Open Payments shows 41 general payments to Dr. McCormick from 13 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $312.
General payments to Dr. McCormick by program year, 2017 to 2024
Companies that paid Dr. McCormick the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William E. McCormick graduated from University of Rochester School of Medicine and Dentistry
Dr. McCormick graduated from University of Rochester School of Medicine and Dentistry in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William E. McCormick's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William E. McCormick
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William E. McCormick's NPI number?
Dr. William E. McCormick's NPI number is 1043290687. It was assigned on January 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William E. McCormick?
Dr. William E. McCormick is a neurosurgeon in West Islip, New York. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. William E. McCormick practice?
Dr. McCormick practices at 380 Montauk Hwy, West Islip, NY 11795. Dr. McCormick's primary practice is William E McCormick, MD in West Islip, New York. Dmand AI also links Dr. McCormick to 1 physician office.
What is Dr. William E. McCormick's office phone number?
The practice phone on file for Dr. McCormick is (631) 422-5371.
What is Dr. William E. McCormick's medical license number?
Dr. McCormick holds New York license 2279121.
Which hospitals is Dr. William E. McCormick affiliated with?
Dr. McCormick is affiliated with Good Samaritan University Hospital.
Does Dr. William E. McCormick accept Medicare?
Yes. CMS data shows Dr. McCormick billed Medicare for 208 services in 2024, and Dr. McCormick accepts Medicare assignment.
How many Medicare patients does Dr. William E. McCormick see?
CMS counts 100 Medicare patients who saw Dr. McCormick in 2024, with an average age of 75.
What services does Dr. William E. McCormick bill to Medicare?
In 2024, Dr. McCormick's most billed Medicare services were hospital inpatient care (99231), office visit, established patient (99213) and emergency department visit (99284).
Where did Dr. William E. McCormick go to medical school?
Dr. McCormick graduated from University of Rochester School of Medicine and Dentistry in 1997.
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What drugs does Dr. William E. McCormick prescribe most?
In 2017 Medicare Part D data, Dr. McCormick's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. William E. McCormick received payments from drug or device companies?
CMS Open Payments shows $1,393 in general payments to Dr. McCormick from 13 companies from 2017 to 2024. The largest total came from Stryker Corporation.
How long has Dr. William E. McCormick been practicing?
Dr. McCormick graduated from medical school in 1997, 29 years ago.
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