LAURA M DIAZ MD
NPI 1720593288
Pediatrics in Fanwood, NJ
About Laura M Diaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAURA M DIAZ MD (NPI 1720593288) is an individual pediatrics provider in Fanwood, New Jersey, licensed in New Jersey (25MA10311600) and active in the NPI registry since December 2017. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Laura M Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Laura Diaz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- 1,557 clinicians in this Medicare group
Somerset, NJ 08873
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Rutgers Health Rwj Primary Care Institute
- 17 clinicians in this Medicare group
New Brunswick, NJ 08901
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Rutgers Health-Rwj Pediatric Emergency Faculty
- 20 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07023 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 9
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 Laura Diaz's NPI number?
The NPI number for Laura Diaz is 1720593288. It was assigned to this individual provider in the NPPES registry on December 6, 2017.
Where is Laura Diaz located?
Laura Diaz practices at 346 South Ave, Fanwood, NJ 07023. The listed phone number is (908) 889-8687.
What is Laura Diaz's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Laura Diaz enrolled in Medicare?
Yes. Laura Diaz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Laura Diaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Laura Diaz reassigns Medicare benefits to 4 organizations: Rwjbh Observation Associates LLC (Livingston, NJ), Rwjbh Emergency Medicine Associates, LLC (Somerset, NJ), Rutgers Health-Rwj Primary Medicine Group (Somerset, NJ) and Rutgers Health-Rwj Pediatric Critical Care (New Brunswick, NJ). Each 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 Laura Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Laura Diaz accept?
Health plans from Oscar Health list Laura Diaz 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.
When was this NPI record last updated?
The NPPES record for Laura Diaz was last updated on June 24, 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.
# Laura M Diaz, MD · NPI 1720593288
Pediatrics physician in Fanwood, New Jersey. Individual provider, active in the CMS NPPES registry since December 6, 2017.
## Identity
- **NPI:** 1720593288 (Entity type: Individual)
- **Enumerated:** December 6, 2017
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 25MA10311600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 346 SOUTH AVE, Fanwood, NJ 07023-1373
- **Phone:** (908) 889-8687
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Rwjbh Emergency Medicine Associates, LLC (NPI 1912510041, Somerset, NJ); Rutgers Health-Rwj Primary Medicine Group (NPI 1497867410, Somerset, NJ); Rutgers Health-Rwj Pediatric Critical Care (NPI 1346322732, New Brunswick, NJ) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2020
---
Source: [NPI Profile](https://npiprofile.com/npi/1720593288) · Data from the CMS NPPES public registry.