WILLIAM BERK MD
NPI 1184078610
Emergency Medicine in Geneva, OH
About William Berk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM BERK MD (NPI 1184078610) is an individual emergency medicine provider in Geneva, Ohio, licensed in New York (306121) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Secondary Practice Locations 3
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 and accepts Medicare assignment
William Berk Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYAspirus Rhinelander Hospital
Acute Care Hospitals · Rhinelander, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44041 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GENEVA, OH 44041
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 Berk's NPI number?
The NPI number for William Berk is 1184078610. It was assigned to this individual provider in the NPPES registry on April 21, 2016.
Where is William Berk located?
William Berk practices at 870 W Main St, Geneva, OH 44041. The listed phone number is (240) 686-2300.
What is William Berk's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Berk enrolled in Medicare?
Yes. William Berk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does William Berk accept?
Health plans from CareSource list William Berk 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 Berk affiliated with any hospitals?
According to CMS data, William Berk is affiliated with Rochester General Hospital, Aspirus Rhinelander Hospital and Marshfield Medical Center.
When was this NPI record last updated?
The NPPES record for William Berk was last updated on May 7, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
