MOUNTAINSIDE FAMILY PRACTICE ASSOCIATES
NPI 1295983484
Clinic/Center - Primary Care in Verona, NJ
About Mountainside Family Practice Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOUNTAINSIDE FAMILY PRACTICE ASSOCIATES (NPI 1295983484) is a healthcare organization registered as a primary care in Verona, New Jersey and active in the NPI registry since September 2008. The organization holds a CLIA Waiver certificate valid through June 14, 2027 and lists Joe Johnson, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mountainside Family Practice Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Mountainside Family Practice Associates, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
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 31D0681859
Mountainside Family Practice Associates · Verona, 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 Montclair Hospital LLC's NPI number?
The NPI number for Montclair Hospital LLC is 1295983484. It was assigned to this organization in the NPPES registry on September 3, 2008. The provider is doing business as Mountainside Family Practice Associates.
Where is Montclair Hospital LLC located?
Montclair Hospital LLC is located at 799 Bloomfield Ave Suite 201, Verona, NJ 07044. The listed phone number is (973) 746-7050.
What is Montclair Hospital LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Montclair Hospital LLC enrolled in Medicare?
Yes. Montclair Hospital LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Montclair Hospital LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Montclair Hospital LLC. 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 Family Practice (6), Hospitalist (1) and Obstetrics/Gynecology (1). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Montclair Hospital LLC hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 31D0681859) is associated with this NPI, valid through June 14, 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 Montclair Hospital LLC was last updated on June 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Mountainside Family Practice Associates · NPI 1295983484
Primary Care organization in Verona, New Jersey. Organization record, active in the CMS NPPES registry since September 3, 2008.
## Identity
- **NPI:** 1295983484 (Entity type: Organization)
- **Enumerated:** September 3, 2008
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Legal business name:** Montclair Hospital Llc
- **Organization subpart:** Yes (part of Montclair Hospital Llc)
- **Authorized official:** Joe Johnson, VICE PRESIDENT
## Practice location
- **Address:** 799 BLOOMFIELD AVE, SUITE 201, Verona, NJ 07044-1367
- **Phone:** (973) 746-7050 · **Fax:** (973) 857-2831
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (6), Hospitalist (1), Obstetrics/Gynecology (1); 3 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 11, 2013
- **Other identifiers:** Medicare PIN 0139564 (NJ); Other 10766 (NJ)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1295983484) · Data from the CMS NPPES public registry.