ESSEX COUNTY HOSPITAL
NPI 1114975166
Ophthalmology in Cedar Grove, NJ
About Essex County Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ESSEX COUNTY HOSPITAL (NPI 1114975166) is a healthcare organization registered as an ophthalmology in Cedar Grove, New Jersey and active in the NPI registry since May 2006. The organization holds a CLIA Waiver certificate valid through December 11, 2027 and lists Luicia Guarini, Director Health & Rehab, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Essex County Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to Essex County Hospital, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 9 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 6
Clinicians, nearest first (14)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 31D0941369
Essex County Hospital Center · Cedar Grove, NJFrequently 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 County Of Essex's NPI number?
The NPI number for County Of Essex is 1114975166. It was assigned to this organization in the NPPES registry on May 4, 2006. The provider is doing business as Essex County Hospital.
Where is County Of Essex located?
County Of Essex is located at 204 Grove Ave, Cedar Grove, NJ 07009. The listed phone number is (973) 571-2800.
What is County Of Essex's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is County Of Essex enrolled in Medicare?
Yes. County Of Essex is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of Essex?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 6 Medicare specialties reassign their Medicare billing to County Of Essex. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Psychiatry (5), Clinical Psychologist (3) and Internal Medicine (2). Of these, 4 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does County Of Essex hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 31D0941369) is associated with this NPI, valid through December 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for County Of Essex was last updated on October 4, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Essex County Hospital · NPI 1114975166
Ophthalmology organization in Cedar Grove, New Jersey. Organization record, active in the CMS NPPES registry since May 4, 2006.
## Identity
- **NPI:** 1114975166 (Entity type: Organization)
- **Enumerated:** May 4, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Legal business name:** County Of Essex
- **Organization subpart:** Yes (part of County Of Essex)
- **Authorized official:** Luicia Guarini, DIRECTOR HEALTH & REHAB
## Practice location
- **Address:** 204 GROVE AVE, Cedar Grove, NJ 07009-1436
- **Phone:** (973) 571-2800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Psychiatry (5), Clinical Psychologist (3), Internal Medicine (2); 4 practice at this address and 9 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 4, 2007
- **Other identifiers:** Medicare PIN 153641 (NJ)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1114975166) · Data from the CMS NPPES public registry.