LAUREN ROSENBLUM D.O.
NPI 1841648714
Family Medicine in Montclair, NJ
About Lauren Rosenblum D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN ROSENBLUM D.O. (NPI 1841648714) is an individual family medicine provider in Montclair, New Jersey, licensed in New Jersey (25MB10450900) and active in the NPI registry since June 2016. She is enrolled in Medicare PECOS, is affiliated with Hackensack Meridian Health, Mountainside Medical, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lauren Rosenblum D.o. 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.
Medicare Billing Reassignment
Medicare enrollment records show Lauren Rosenblum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Berkeley Heights, NJ 07922
- Reassigned Medicare billing, New Jersey enrollment
- 1,184 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 15
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hackensack Meridian Health, Mountainside Medical
Acute Care Hospitals · Montclair, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07042 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 5
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 Lauren Rosenblum's NPI number?
The NPI number for Lauren Rosenblum is 1841648714. It was assigned to this individual provider in the NPPES registry on June 1, 2016.
Where is Lauren Rosenblum located?
Lauren Rosenblum practices at 48 Fairfield St, Montclair, NJ 07042. The listed phone number is (973) 744-8511.
What is Lauren Rosenblum's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Lauren Rosenblum enrolled in Medicare?
Yes. Lauren Rosenblum 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.
Which organization bills Medicare for Lauren Rosenblum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Rosenblum reassigns Medicare benefits to Summit Medical Group PA (Berkeley Heights, NJ). The 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 Lauren Rosenblum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Rosenblum accept?
Health plans from Oscar Health list Lauren Rosenblum 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 Lauren Rosenblum affiliated with any hospitals?
According to CMS data, Lauren Rosenblum is affiliated with Hackensack Meridian Health, Mountainside Medical.
When was this NPI record last updated?
The NPPES record for Lauren Rosenblum was last updated on August 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.