William Gary Leverton II, NP

  • Riverhead, NY
  • Acute care nurse practitioner
NPI1528639424PAC ID1153728175
Medicare patients, 2024
506
Part D claims, 2024
643
Hospital affiliations
1
Medical group
1
State license
1
Practice address
1 Heros Way, Riverhead, NY 11901
Practice phone
Call (631) 548-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Peconic Bay Medical Center

Hospital · Riverhead, New York

See all 3 affiliations

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William Gary Leverton II is an acute care nurse practitioner in Riverhead, New York

William Leverton practices at Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health.

William Leverton's NPI, 1528639424, was assigned on July 2, 2021. William Leverton holds New York license 432095.

NPI and contact details
Medicare PAC ID
1153728175
NPI enumeration date
July 2, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 548-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

William Gary Leverton II practices at 2 locations in Riverhead, New York

William Leverton's primary practice is Peconic Bay Medical Center, at 1 Heros Way, Riverhead, NY 11901 in Suffolk County. The practice phone is (631) 548-6000. William Leverton also practices at Peconic Bay Medical Center, 1300 Roanoke Ave, Riverhead, NY 11901.

  • Peconic Bay Medical CenterPrimary
    1 Heros Way, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6000
  • Peconic Bay Medical Center
    1300 Roanoke Ave, Riverhead, NY 11901 · Suffolk CountyPhone(631) 548-6116

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

William Gary Leverton II is affiliated with 2 sites of care and 1 medical group

William Leverton's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. The medical group on file is Peconic Bay Medical Center. Dmand AI also links William Leverton to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for William Leverton

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at William Gary Leverton II's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Leverton practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Peconic Bay Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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William Gary Leverton II is one of 1,230 acute care nurse practitioners in New York

Acute care is William Leverton's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. William Leverton is licensed in New York.

Specialties and state licenses

  • Acute care nurse practitioner, New YorkPrimaryLicense 703112 · taxonomy 363LA2100X

Acute care nurse practitioners near William Leverton

Counts of acute care nurse practitioners 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

William Gary Leverton II treated 506 Medicare patients in 2024, average age 78

CMS counts 506 Medicare patients who saw William Leverton in 2024. The largest group is 75 to 84, with 213 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.35, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts William Leverton's median patient age at 64, with 50% women.

Medicare patients, 2024506
Average age78
Average risk score2.35
Also on Medicaid23%

William Leverton's Medicare patients by age, 2024

William Leverton's Medicare patients by sex, 2024

  • Women28857%
  • Men21843%

Chronic conditions among William Leverton's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Ischemic heart disease64%
  5. Diabetes45%
  6. Heart failure45%
  7. Mood disorders45%
  8. Anxiety43%

Share of Medicare patients with each condition. A patient can have several.

William Leverton's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women50%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

William Gary Leverton II wrote 643 Medicare Part D claims in 2024

In 2024, William Leverton wrote 643 Medicare Part D claims for 279 patients. 86% of them were for generic drugs.

Part D claims, 2024643
Part D patients279

William Leverton's Part D claims by kind of drug, 2024

  • Generic552 claims86%
  • Brand-name and other91 claims14%

Drug classes CMS tracks in William Leverton's Part D claims, 2024

  • Opioids3%17 of 643 claims
  • Antibiotics19%121 of 643 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How William Gary Leverton II takes part in Medicare

William Leverton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for William Gary Leverton II's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William Gary Leverton II

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William Gary Leverton II's NPI number?

William Gary Leverton II's NPI number is 1528639424. It was assigned on July 2, 2021, and it is active in the NPI Registry.

What does William Gary Leverton II specialize in?

William Gary Leverton II is an acute care nurse practitioner in Riverhead, New York. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).

Where does William Gary Leverton II practice?

William Leverton practices at 1 Heros Way, Riverhead, NY 11901. William Leverton also practices at 1300 Roanoke Ave, Riverhead, NY 11901. William Leverton's primary practice is Peconic Bay Medical Center in Riverhead, New York, part of Northwell Health. Dmand AI also links William Leverton to 1 group practice or clinic.

What is William Gary Leverton II's office phone number?

The practice phone on file for William Leverton is (631) 548-6000.

What is William Gary Leverton II's medical license number?

William Leverton holds New York license 432095.

Which hospitals is William Gary Leverton II affiliated with?

William Leverton practices at Peconic Bay Medical Center in Riverhead, New York.

What medical group is William Gary Leverton II part of?

William Leverton is linked to Peconic Bay Medical Center.

Does William Gary Leverton II accept Medicare?

Yes. CMS lists William Leverton as accepting Medicare assignment.

How many Medicare patients does William Gary Leverton II see?

CMS counts 506 Medicare patients who saw William Leverton in 2024, with an average age of 78.

How long has William Gary Leverton II been practicing?

William Leverton graduated from medical school in 2021, 5 years ago.

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