William Randolph Leisner, MD
Internal Medicine Physician · N Cape May, NJ
William Randolph Leisner, MD is an internal medicine physician with a practice address in N Cape May, New Jersey, and NPI 1609989045, issued on Aug 17, 2006. Check the license (New Jersey MA042301, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Randolph Leisner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA042301 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 650 Town Bank RD, N Cape May, NJ 08204
- Phone
- (609) 898-7447
- Enumerated
- Aug 17, 2006
- Record last updated
- Mar 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (609) 898-1912
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify William Randolph Leisner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA042301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Randolph Leisner among 4,632 internal medicine physician records in New Jersey
William Randolph Leisner, MD is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2014 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in New Jersey
There are 4,632 internal medicine physician records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,632 in New Jersey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christine Byrnes, MDCape May, NJ 082041538333844
- Gordon Pieretti, DONorth Cape May, NJ 082041881641827
- Craig Rothman, MDCape May, NJ 082041538274170
- Mansi Satasia, MDNorth Cape May, NJ 082041538899026
- William Weisberg, MDCape May, NJ 082041679643597
- Imad Aridi, MD PAGalloway, NJ 082051760432215
- Vivekkumar Dasondi, MDGalloway, NJ 082051528129509
- Michael Dunn, MDBrigantine, NJ 082031700856184
Common questions
What is William Randolph Leisner, MD's NPI number?
William Randolph Leisner, MD's National Provider Identifier (NPI) is 1609989045, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Randolph Leisner, MD located?
The NPPES record lists a practice address at 650 Town Bank RD, N Cape May, NJ, 08204. Phone: (609) 898-7447. Providers update this record themselves, so call before visiting.
How can I verify William Randolph Leisner, MD's license?
NPPES lists New Jersey license number MA042301, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.