William James Buckley, MD
Cardiovascular Disease Physician · Riverhead, NY
William James Buckley, MD is a cardiovascular disease physician with a practice address in Riverhead, New York, and NPI 1710155916, issued on Feb 11, 2008. Check the license (New York 233724, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William James Buckley
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 233724 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1279 E Main St, Riverhead, NY 11901
- Phone
- (631) 727-2100
- Enumerated
- Feb 11, 2008
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (631) 727-2646
- Medicaid ID
- 02975244 NY
- Medicare enrollment
- Enrolled (PECOS I20080701000039); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2001
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,583 in New York → Look up another NPI →
Also registered at 1279 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Crean, M.D.Cardiovascular Disease Physician1881697100
- Thomas Falco, M.D.Cardiovascular Disease Physician1659374973
- Fizzah IdreesPhysician Assistant1073931069
- Jenny Knaub, ANPAdult Health Nurse Practitioner1255357588
- Jayanthi Loganathan, M.DCardiovascular Disease Physician1225295041
- Tara MannAdult Health Nurse Practitioner1639510837
Verify William James Buckley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 233724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,610 Medicare Part D claims for 783 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium821 claims
- Atorvastatin Calcium387 claims
- Metoprolol Succinate337 claims
- Lisinopril301 claims
- Carvedilol297 claims
- Losartan Potassium261 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William James Buckley among 2,583 cardiovascular disease physician records in New York
William James Buckley, MD is one of 2,583 cardiovascular disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2001 · median 1998 among the 1,896 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 cardiovascular disease physician records list a practice address in Riverhead
They are 17 of the 982 NPPES records with a practice address in Riverhead, and 2,583 cardiovascular disease physician records in New York.
All 2,583 in New York → Every provider in Riverhead → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Miguel Blanco, MDRiverhead, NY 119011235127861
- John Crean, M.D.Riverhead, NY 119011881697100
- Rameshchandra Dabhi, MDRiverhead, NY 119011033107677
- Prateek Dalal, MDRiverhead, NY 119011184612723
- Sean Donahoe, M.D.Riverhead, NY 119011790722304
- Thomas Falco, M.D.Riverhead, NY 119011659374973
- Steven Lederman, MDRiverhead, NY 119011265420764
- Fulvio Mazzucchi, M.D.Riverhead, NY 119011457354771
Common questions
What is William James Buckley, MD's NPI number?
William James Buckley, MD's National Provider Identifier (NPI) is 1710155916, issued on Feb 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William James Buckley, MD located?
The NPPES record lists a practice address at 1279 E Main St, Riverhead, NY, 11901. Phone: (631) 727-2100. Providers update this record themselves, so call before visiting.
How can I verify William James Buckley, MD's license?
NPPES lists New York license number 233724, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William James Buckley, MD prescribe under Medicare Part D?
In 2024, William James Buckley, MD had 4,610 Medicare Part D claims for 783 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is William James Buckley, MD's MIPS final score?
The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.