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Dr. William Kasumi

Internal Medicine Physician

Internal Medicine Leonia, NJ Hackensack Meridian Health
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Reveal Contact Info
Overview
Level
Staff
Function
Healthcare
Tenure
22 years at Hackensack Meridian Health
Gender
Male
Connections
37
Position in HealthTal Database
  • 4,496 healthcare professionals in HealthTal hold the Internal Medicine specialty. William Kasumi is one of them.
  • 75 Internal Medicine physicians are based in NJ (out of 38,119 total healthcare contacts in that state).
  • 1,047 contacts at Hackensack Meridian Health are tracked in HealthTal.
  • Typical Internal Medicine compensation in NJ: $198,000 – $385,000 (median $264,000). Source: BLS OEWS adjusted for state cost of labor.
  • Top employers of Internal Medicine physicians in NJ: Rutgers Robert Wood Johnson Medical School (3), St. Joseph's Health (3), Jersey Shore University Medical Center (2).
  • 88% of Internal Medicine physicians in NJ have verified education credentials on file.
  • Data refreshed May 2026.

Public records & verifications
  • Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
  • Professional LinkedIn profile on file (subscribers only).
  • Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.
Education
Albert Einstein College of Medicine
Doctor of Medicine - MD
1996
Stanford University
Bachelor's degree
1992
About Hackensack Meridian Health
Industry
Hospitals & Physicians Clinics
Employees
1 to 19
Revenue
<$1M
Professional Overview

Dr. William Kasumi is a Internal Medicine Physician, currently affiliated with Hackensack Meridian Health, based in Leonia, NJ. As a internal medicine, Dr. Kasumi contributes to patient care, clinical workflows, and healthcare operations in Leonia, NJ. They have been with Hackensack Meridian Health for 22 years. Dr. Kasumi holds academic credentials, including Doctor of Medicine - MD and Bachelor's degree, from Albert Einstein College of Medicine and Stanford University. Hackensack Meridian Health operates in the Hospitals & Physicians Clinics sector with a workforce of 1 to 19 employees. Healthcare organizations seeking to recruit internal medicine professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to internal medicine specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The Leonia, NJ healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

Recruiting Internal Medicine

Healthcare professionals with Internal Medicine expertise are recruited nationwide. Direct outreach via verified email and phone produces significantly faster placements than relying on job boards or passive candidates. HealthTal's database provides personal contact data verified against NPI and state licensing records.

Browse all Internal Medicine physicians →

Frequently Asked Questions

Where is Dr. William Kasumi located?
Dr. William Kasumi is based in Leonia, NJ. They are currently affiliated with Hackensack Meridian Health.
What is Dr. William Kasumi's specialty?
Dr. William Kasumi specializes in Internal Medicine. Their current role is Internal Medicine Physician.
Where does Dr. William Kasumi currently work?
Dr. William Kasumi currently works at Hackensack Meridian Health. They have been there for 22 years.
What is Dr. William Kasumi's educational background?
Dr. William Kasumi attended Albert Einstein College of Medicine and Stanford University.
How do I contact Dr. William Kasumi for recruiting?
HealthTal provides verified direct email address and phone number for Dr. William Kasumi. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.
How do I recruit a Internal Medicine physician?
Recruiting internal medicine physicians typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for internal medicine physicians across all 50 states, allowing you to contact candidates directly without going through job boards.
What is the average salary for a Internal Medicine physician in NJ?
Internal Medicine physicians in NJ typically earn $198,000 to $385,000 annually, with a median of $264,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Director, Manager, Chief) and high-acuity practice settings push the upper end.

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