DR. PETER GEORGE ZAZZALI MD
NPI 1528136603
Internal Medicine - Critical Care Medicine in Nutley, NJ
About Dr. Peter George Zazzali Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER GEORGE ZAZZALI MD (NPI 1528136603) is an individual critical care medicine provider in Nutley, New Jersey, licensed in New Jersey (25MA05732600) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Clara Maass Medical Center, and is a graduate of Rutgers New Jersey Medical School (1990).
NPPES Registry Identity
Specialties & Licenses 4
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
Dr. Peter George Zazzali 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.
Medicare Billing Reassignments
3Medicare enrollment records show Peter Zazzali reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochelle Park, NJ 07662
- Reassigned Medicare billing, New Jersey enrollment
- 96 clinicians in this Medicare group
Livingston, NJ 07039
- Reassigned Medicare billing, New Jersey enrollment
- 1,913 clinicians in this Medicare group
Elizabeth, NJ 07202
- Reassigned Medicare billing, New Jersey enrollment
- 1,894 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Clara Maass Medical Center
Acute Care Hospitals · Belleville, NJNyack Hospital
Acute Care Hospitals · Nyack, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
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 Peter Zazzali's NPI number?
The NPI number for Peter Zazzali is 1528136603. It was assigned to this individual provider in the NPPES registry on November 30, 2006.
Where is Peter Zazzali located?
Peter Zazzali practices at 670 Franklin Ave, Nutley, NJ 07110. The listed phone number is (973) 667-8493.
What is Peter Zazzali's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Peter Zazzali enrolled in Medicare?
Yes. Peter Zazzali 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 organizations bill Medicare for Peter Zazzali's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Zazzali reassigns Medicare benefits to 3 organizations: Inhospital Physicians Corp Of New Jersey, PC (Rochelle Park, NJ), Rwjbh Observation Associates LLC (Livingston, NJ) and Barnabas Health Medical Group PC (Elizabeth, 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 Peter Zazzali's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Zazzali accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Peter Zazzali 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 Peter Zazzali affiliated with any hospitals?
According to CMS data, Peter Zazzali is affiliated with Clara Maass Medical Center and Nyack Hospital.
When was this NPI record last updated?
The NPPES record for Peter Zazzali was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.
# Dr. Peter George Zazzali, MD · NPI 1528136603
Critical Care Medicine physician in Nutley, New Jersey. Individual provider, active in the CMS NPPES registry since November 30, 2006.
## Identity
- **NPI:** 1528136603 (Entity type: Individual)
- **Enumerated:** November 30, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 25MA05732600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 670 FRANKLIN AVE, Nutley, NJ 07110
- **Phone:** (973) 667-8493
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Inhospital Physicians Corp Of New Jersey, PC (NPI 1336625425, Rochelle Park, NJ); Rwjbh Observation Associates LLC (NPI 1760095806, Livingston, NJ); Barnabas Health Medical Group PC (NPI 1841557246, Elizabeth, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers New Jersey Medical School, class of 1990
## Record status
- **NPPES last updated:** October 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1528136603) · Data from the CMS NPPES public registry.