Physician Profile
Peter G. Zazzali, MD is a healthcare provider in Nutley, NJ specializing in internal medicine. Peter trained at Rutgers New Jersey Medical School, graduating in 1990. Peter is also listed as specializing in pulmonary disease and sleep medicine. Medicare claims data shows Peter provided 243 services to 181 patients. The services billed most often include critical care, first 30-74 minutes and sleep study in sleep lab (6 years or older).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
670 FRANKLIN AVE
Nutley, NJ 07110
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
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Most searched procedures
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243 services · 181 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
12 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
231 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Zazzali is an internist in Nutley, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Zazzali is listed at 670 Franklin Ave, Nutley, NJ 07110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (973) 667-8493. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Zazzali's National Provider Identifier is 1528136603. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Zazzali attended Rutgers New Jersey Medical School, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Zazzali has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Zazzali provides treatments such as sleep study in sleep lab, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zazzali. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.