DR. WILLIAM HARRY HARTZ M.D.
NPI 1194721803
Radiology - Vascular & Interventional Radiology in Newark, DE
About Dr. William Harry Hartz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM HARRY HARTZ M.D. (NPI 1194721803) is an individual vascular & interventional radiology provider in Newark, Delaware, licensed in Ohio (35.132810) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Harry Hartz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Areas of Expertise CMS Part B claims 53
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union Hospital Of Cecil County
Acute Care Hospitals · Elkton, MDUphs Marquette Dlp Hospital
Acute Care Hospitals · Marquette, MISt Francis Hospital - The Heart Center
Acute Care Hospitals · Roslyn, NYGood Samaritan Hospital Medical Center
Acute Care Hospitals · West Islip, NYHoly Redeemer Hospital And Medical Center
Acute Care Hospitals · Meadowbrook, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Hartz's NPI number?
The NPI number for William Hartz is 1194721803. It was assigned to this individual provider in the NPPES registry on June 27, 2005.
Where is William Hartz located?
William Hartz practices at H-42 Omega Drive, Newark, DE 19713. The listed phone number is (302) 738-1700.
What is William Hartz's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.
Is William Hartz enrolled in Medicare?
Yes. William Hartz is registered in the Medicare PECOS enrollment system.
What insurance does William Hartz accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Texas and CareSource and 7 other insurers list William Hartz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Hartz affiliated with any hospitals?
According to CMS data, William Hartz is affiliated with Union Hospital Of Cecil County, Uphs Marquette Dlp Hospital, St Francis Hospital - The Heart Center, Good Samaritan Hospital Medical Center and Holy Redeemer Hospital And Medical Center.
When was this NPI record last updated?
The NPPES record for William Hartz was last updated on May 18, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.