CHRISTOPHER JOHN TZANAVARIS MD
NPI 1508326463
Internal Medicine - Pulmonary Disease in East Orange, NJ
About Christopher John Tzanavaris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER JOHN TZANAVARIS MD (NPI 1508326463) is an individual pulmonary disease provider in East Orange, New Jersey, licensed in New Jersey (25MA13166300) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and maintains a secondary practice location in Manhasset.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Location 1
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
Christopher John Tzanavaris 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
7Medicare enrollment records show Christopher Tzanavaris reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 81 clinicians in this Medicare group
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 50 clinicians in this Medicare group
East Orange, NJ 07017
- Reassigned Medicare billing, New Jersey enrollment
- 46 clinicians in this Medicare group
Newark, NJ 07107
- Reassigned Medicare billing, New Jersey enrollment
- 53 clinicians in this Medicare group
Newark, NJ 07104
- Reassigned Medicare billing, New Jersey enrollment
- 47 clinicians in this Medicare group
Newark, NJ 07104
- Reassigned Medicare billing, New Jersey enrollment
- 30 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYLong Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07017 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.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST ORANGE, NJ 07017
EAST ORANGE, NJ 07017
EAST ORANGE, NJ 07017
EAST ORANGE, NJ 07017
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 Christopher Tzanavaris's NPI number?
The NPI number for Christopher Tzanavaris is 1508326463. It was assigned to this individual provider in the NPPES registry on March 25, 2019. The provider is also known as C J Tzanavaris MD.
Where is Christopher Tzanavaris located?
Christopher Tzanavaris practices at 613 Park Ave, East Orange, NJ 07017. The listed phone number is (973) 672-8573.
What is Christopher Tzanavaris's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Christopher Tzanavaris enrolled in Medicare?
Yes. Christopher Tzanavaris 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 Christopher Tzanavaris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Tzanavaris reassigns Medicare benefits to 7 organizations: Salerno Medical Associates, LLC (East Orange, NJ), Senior Healthcare Outreach Program (East Orange, NJ), Metropolitan Medical Group LLC (East Orange, NJ), Roseville Medical Society LLC (Newark, NJ), North Ward Medical Arts LLC (Newark, NJ) and 2 more organizations, listed in the Medicare section above. 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 Christopher Tzanavaris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Tzanavaris accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Christopher Tzanavaris 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 Christopher Tzanavaris affiliated with any hospitals?
According to CMS data, Christopher Tzanavaris is affiliated with North Shore University Hospital and Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Christopher Tzanavaris was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Christopher John Tzanavaris, MD · NPI 1508326463
Pulmonary Disease physician in East Orange, New Jersey. Individual provider, active in the CMS NPPES registry since March 25, 2019.
## Identity
- **NPI:** 1508326463 (Entity type: Individual)
- **Enumerated:** March 25, 2019
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 25MA13166300 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 613 PARK AVE, East Orange, NJ 07017-1905
- **Phone:** (973) 672-8573
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Salerno Medical Associates, LLC (NPI 1184766107, East Orange, NJ); Senior Healthcare Outreach Program (NPI 1588707954, East Orange, NJ); Metropolitan Medical Group LLC (NPI 1700442415, East Orange, NJ); Roseville Medical Society LLC (NPI 1275168320, Newark, NJ); North Ward Medical Arts LLC (NPI 1538790563, Newark, NJ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508326463) · Data from the CMS NPPES public registry.