DR. JOHN THOMAS GIANIS JR. M.D.
NPI 1467492678
Specialist in Summit, NJ
About Dr. John Thomas Gianis Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN THOMAS GIANIS JR. M.D. (NPI 1467492678) is an individual specialist in Summit, New Jersey, licensed in New Jersey (MA052941) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1981).
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 and accepts Medicare assignment
Dr. John Thomas Gianis Jr. M.d. 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 John Gianis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 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 7
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morristown Medical Center
Acute Care Hospitals · Morristown, NJOverlook Medical Center
Acute Care Hospitals · Summit, NJThe University Hospital
Acute Care Hospitals · Newark, NJMedicare 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 3
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 3
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 John Gianis's NPI number?
The NPI number for John Gianis is 1467492678. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is John Gianis located?
John Gianis practices at 475 Springfield Ave, Summit, NJ 07901. The listed phone number is (908) 273-8854.
What is John Gianis's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is John Gianis enrolled in Medicare?
Yes. John Gianis 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 John Gianis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Gianis reassigns Medicare benefits to Practice Associates Medical Group (Morristown, 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 John Gianis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Gianis accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list John Gianis 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 John Gianis affiliated with any hospitals?
According to CMS data, John Gianis is affiliated with Morristown Medical Center, Overlook Medical Center and The University Hospital.
When was this NPI record last updated?
The NPPES record for John Gianis was last updated on July 13, 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.
# Dr. John Thomas Gianis Jr., M.D. · NPI 1467492678
Specialist provider in Summit, New Jersey. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1467492678 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** MA052941 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 475 SPRINGFIELD AVE, Summit, NJ 07901-2600
- **Phone:** (908) 273-8854 · **Fax:** (908) 273-4585
## 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:** Practice Associates Medical Group (NPI 1427016385, Morristown, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1467492678) · Data from the CMS NPPES public registry.