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GABRIEL KARKENNY
NPI 1407352529
Internal Medicine - Infectious Disease in Clifton, NJ

Active since April 05, 2018PECOS EnrolledAccepts Medicare Assignment
94.95/100
CMS Quality Rating
975 CLIFTON AVE, CLIFTON, NJ 07013(973) 778-8666(973) 778-7559 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 5, 2024, Apr 10, 2024 (2 updates tracked since 2024).

About Gabriel Karkenny NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GABRIEL KARKENNY (NPI 1407352529) is an individual infectious disease provider in Clifton, New Jersey, licensed in New Jersey (25MA11818600) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with St Mary's General Hospital, and is a graduate of State University Of New York Downstate Medical Center (2015).

NPPES Registry Identity

NPI1407352529
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameGABRIEL KARKENNY
Location Address975 CLIFTON AVEClifton, NJ 07013-2722
Mailing Address975 Clifton AveClifton, NJ 07013-2722 · (973) 778-8666 · Fax (973) 778-7559
Phone(973) 778-8666
Fax(973) 778-7559
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 2015
Enumeration DateApril 5, 2018
Last NPPES UpdateSeptember 29, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1407352529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in NJ · 25MA11818600
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
975 CLIFTON AVE, Clifton, NJ 07013
Open in Google Maps ↗

Other Identifiers 1

Medicaid0924130NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Gabriel Karkenny 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 ID4981949393
PECOS Enrollment IDI20230721001446
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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
625 services256 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
175 services166 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
115 services67 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.
69 services51 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services50 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
19 services19 patients

Hospital Affiliations CMS Care Compare 4

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

St Mary's General Hospital

Acute Care Hospitals · Passaic, NJ
3/5 CMS rating
OwnershipProprietary
CMS Certification Number310006
Location350 BoulevardPassaic, NJ 07055 · Passaic County
Emergency services Birthing friendly

St Joseph's University Medical Center Inc

Acute Care Hospitals · Paterson, NJ
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number310019
Location703 Main StPaterson, NJ 07503 · Passaic County
Birthing friendly

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310045
Location350 Engle StEnglewood, NJ 07631 · Bergen County
Emergency services Birthing friendly

Saint Clare's Hospital/ Denville Campus

Acute Care Hospitals · Denville, NJ
3/5 CMS rating
OwnershipProprietary
CMS Certification Number310050
Location25 Pocono RoadDenville, NJ 07834 · Morris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$111.57 typical visit price
range $20.97 – $155.92
Typical copayment $27.89 (range $5.24 – $38.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

94.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.26
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PARTHIV V RAVAL,MD LLC
Internal Medicine (Gastroenterology)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 614-9700
DR. SESSINE NAJJAR M.D.
Internal Medicine (Infectious Disease)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 778-8666
JOE ELIAS NAJJAR MD
Internal Medicine (Infectious Disease)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 778-8666
LEORI C. QUINTOS PHYSICAL THERAPIST
Specialist
975 CLIFTON AVE, SUITE 2
CLIFTON, NJ 07013
Passaic County (973) 773-9990
SABAH VAROQUA M.D.
Internal Medicine (Infectious Disease)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 778-8666
SESSINE NAJJAR MD LLC
Internal Medicine (Infectious Disease)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 778-8666
DR. OM P GANDHI M.D.
Orthopaedic Surgery
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 471-9116
DR. SUSHMA GANDHI M.D.
Pediatrics (Adolescent Medicine)
975 CLIFTON AVE
CLIFTON, NJ 07013
Passaic County (973) 471-5908

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 Gabriel Karkenny's NPI number?

The NPI number for Gabriel Karkenny is 1407352529. It was assigned to this individual provider in the NPPES registry on April 5, 2018.

Where is Gabriel Karkenny located?

Gabriel Karkenny practices at 975 Clifton Ave, Clifton, NJ 07013. The listed phone number is (973) 778-8666.

What is Gabriel Karkenny's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Gabriel Karkenny enrolled in Medicare?

Yes. Gabriel Karkenny 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 Gabriel Karkenny accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Gabriel Karkenny 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 Gabriel Karkenny affiliated with any hospitals?

According to CMS data, Gabriel Karkenny is affiliated with St Mary's General Hospital, St Joseph's University Medical Center Inc, Englewood Hospital And Medical Center and Saint Clare's Hospital/ Denville Campus.

When was this NPI record last updated?

The NPPES record for Gabriel Karkenny was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.