Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN THOMAS GIANIS JR. M.D.
NPI 1467492678
Specialist in Summit, NJ

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment
45/100
CMS Quality Rating
475 SPRINGFIELD AVE, SUMMIT, NJ 07901(908) 273-8854(908) 273-4585 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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

NPI1467492678
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. JOHN THOMAS GIANIS JR.Credential: M.D.
Location Address475 SPRINGFIELD AVESummit, NJ 07901-2600
Mailing Address475 Springfield Ave.Summit, NJ 07901 · (908) 273-8854 · Fax (908) 273-4585
Fax(908) 273-4585
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateJune 7, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1467492678 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in NJ · MA052941
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
475 SPRINGFIELD AVE, Summit, NJ 07901

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID345283594
PECOS Enrollment IDI20050608000450
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
405 services259 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
247 services190 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
222 services182 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
136 services115 patients
Ultrasound measurement of bladder capacity after voiding 51798
Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.
126 services101 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
34 services34 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310015
Location100 Madison AveMorristown, NJ 07960 · Morris County
Emergency services Birthing friendly

Overlook Medical Center

Acute Care Hospitals · Summit, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310051
Location99 Beauvoir AvenueSummit, NJ 07901 · Union County
Emergency services Birthing friendly

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.

45/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality90
Improvement Activities0

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.

Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
2 suppliers17 claims1,380 services$0.10 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
2 suppliers26 claims1,770 services$1.51 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
2 suppliers21 claims1,980 services$5.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Dentist
475 SPRINGFIELD AVE, SUIT 210
SUMMIT, NJ 07901
Specialist
475 SPRINGFIELD AVE
SUMMIT, NJ 07901
Dentist
475 SPRINGFIELD AVE, SUITE 210
SUMMIT, NJ 07901

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.

What insurance does John Gianis accept?

Health plans from Ambetter Health and Ambetter Health of Delaware 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 and Overlook Medical Center.

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 41 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.