William Ronald Jennings, MD
Emergency Medicine Physician · Bay Shore, NY
William Ronald Jennings, MD is an emergency medicine physician with a practice address in Bay Shore, New York, and NPI 1639758345, issued on Apr 8, 2021. Check the license (New York 331756, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Ronald Jennings
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 331756 NY
Self-reported in NPPES; status is on the state search - Practice location
- 301 E Main St, Bay Shore, NY 11706
- Phone
- (631) 968-3970
- Enumerated
- Apr 8, 2021
- Record last updated
- Jul 26, 2024
- Fax
- (631) 894-5787
- Medicare enrollment
- Enrolled (PECOS I20240809003480); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 301 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- James Adams, RPA-CPhysician Assistant1811070105
- Abimbola AdebajoPrimary Care Nurse Practitioner1942684667
Verify William Ronald Jennings 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 331756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
191 Medicare Part D claims for 137 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 21 claims were for opioids.
Most prescribed
- Cephalexin29 claims
- Oxycodone-Acetaminophen18 claims
- Amoxicillin-Clavulanate Potass13 claims
- Ondansetron Hcl13 claims
- Prednisone12 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.
Bills Medicare through one group practice
- Emergency Physician Services OF New York, P.C.Rome, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Ronald Jennings among 5,025 emergency medicine physician records in New York
William Ronald Jennings, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 7% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2021 · median 2013 among the 3,232 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 emergency medicine physician records list a practice address in Bay Shore
They are 37 of the 1,931 NPPES records with a practice address in Bay Shore, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Bay Shore → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brian Blaustein, DOBay Shore, NY 117061346292893
- Howard Brown, DOBay Shore, NY 117061679528707
- Patricia Daly, MDBay Shore, NY 117061720176944
- Cesar Fortes, MDBay Shore, NY 117061205865466
- Ernest Freiler, MDBay Shore, NY 117061568414332
- Rosetta Grella, MDBay Shore, NY 117061447342399
- James Halfpenny, DOBay Shore, NY 117061578651493
- Hun Han, M.D.Bay Shore, NY 117061992856900
Common questions
What is William Ronald Jennings, MD's NPI number?
William Ronald Jennings, MD's National Provider Identifier (NPI) is 1639758345, issued on Apr 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Ronald Jennings, MD located?
The NPPES record lists a practice address at 301 E Main St, Bay Shore, NY, 11706. Phone: (631) 968-3970. Providers update this record themselves, so call before visiting.
How can I verify William Ronald Jennings, MD's license?
NPPES lists New York license number 331756, 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 Ronald Jennings, MD prescribe under Medicare Part D?
In 2024, William Ronald Jennings, MD had 191 Medicare Part D claims for 137 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.