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DR. GABRIEL T LEONTE MD
NPI 1144225350
Internal Medicine in West Islip, NY

Active since June 15, 2005PECOS EnrolledAccepts Medicare Assignment
1000 MONTAUK HWY, WEST ISLIP, NY 11795(631) 376-3000(631) 224-8560 Get Directions Write a Review

NPPES record last updated: January 23, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Gabriel T Leonte Md NPPES

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

DR. GABRIEL T LEONTE MD (NPI 1144225350) is an individual internal medicine provider in West Islip, New York, licensed in New York (227501) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1144225350
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. GABRIEL T LEONTECredential: MD
Location Address1000 MONTAUK HWYWest Islip, NY 11795-4927
Mailing Address1000 Montauk HwyWest Islip, NY 11795-4927 · (631) 376-3000 · Fax (631) 376-4147
Phone(631) 376-3000
Fax(631) 224-8560
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateJune 15, 2005
Last NPPES UpdateJanuary 23, 2012
✔ NPI 1144225350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 227501
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 MONTAUK HWY, West Islip, NY 11795
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Other Identifiers 7

Medicare ID-Type Unspecified75S631NY · Medicare Provider #
OtherP00165413NY · Railroad Medicare
Medicaid02396367NY
Other2582729NY · Aetna/us Healthcare
Other75S631NY · Blue Cross Blue Shield
Other153018NY · Vytra Healthcare
Medicare UPING77726NY

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. Gabriel T Leonte 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.

PECOS PAC ID4284536665
PECOS Enrollment IDI20040126000238
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Gabriel Leonte reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore - Lij Medical PC
22 mi
Internal Medicine
270-05 76TH AVE
New Hyde Park, NY 11040
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
NPI 1790043479 (516) 465-8089
Geisinger Clinic
118 mi
Family Medicine
3306 LAKE ARIEL HWY
Honesdale, PA 18431
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1720495393 (570) 253-0148

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Other Providers at the Same Location NPPES 20

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

DR. ANTHONY NGUYEN MD
Obstetrics & Gynecology
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163
LAUREN MARIE CHOBAN DO
Emergency Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
MISS MUNMUN AZIZ MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (929) 340-5665
TERENCE JAMES OMALLEY MD
Anesthesiology
1000 MONTAUK HWY, GOOD SAMARITAN HOSPITAL MEDICAL CENTER
WEST ISLIP, NY 11795
Suffolk County (631) 376-4088
PIOTR PAPUZINSKI MD
Internal Medicine
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
LAURIE WATERS PA
Physician Assistant
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
SHELLEY MATSON RN
Registered Nurse
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-3000
RIDDA MANZOOR MD
Student in an Organized Health Care Education/Training Program
1000 MONTAUK HWY
WEST ISLIP, NY 11795
Suffolk County (631) 376-4163

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 Leonte's NPI number?

The NPI number for Gabriel Leonte is 1144225350. It was assigned to this individual provider in the NPPES registry on June 15, 2005.

Where is Gabriel Leonte located?

Gabriel Leonte practices at 1000 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 376-3000.

What is Gabriel Leonte's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Gabriel Leonte enrolled in Medicare?

Yes. Gabriel Leonte 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 Gabriel Leonte's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriel Leonte reassigns Medicare benefits to 2 organizations: North Shore - Lij Medical PC (New Hyde Park, NY) and Geisinger Clinic (Honesdale, PA). 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 Gabriel Leonte's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gabriel Leonte was last updated on January 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.