DR. GEORGE ISAAC MALLIS M.D.
NPI 1366476475
Internal Medicine - Cardiovascular Disease in Northport, NY

Active since July 11, 2006PECOS Enrolled
79 MIDDLEVILLE RD, NORTHPORT, NY 11768(631) 266-6047(631) 754-7968 Get Directions Write a Review

NPPES record last updated: February 4, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. George Isaac Mallis M.d. NPPES

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

DR. GEORGE ISAAC MALLIS M.D. (NPI 1366476475) is an individual cardiovascular disease provider in Northport, New York, licensed in New York (97266) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366476475
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. GEORGE ISAAC MALLISCredential: M.D.
Location Address79 MIDDLEVILLE RDNorthport, NY 11768-2200
Mailing Address4 Target Rock RdLloyd Harbor, NY 11743-9752 · (631) 549-9207
Fax(631) 754-7968
Sole ProprietorNo
Enumeration DateJuly 11, 2006
Last NPPES UpdateFebruary 4, 2022
NPPES CertifiedFebruary 4, 2022
NPI 1366476475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in NY · 97266
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 97266 (NY)
79 MIDDLEVILLE RD, Northport, NY 11768

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. George Isaac Mallis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11768 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
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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.

Social Worker
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Social Worker (Clinical)
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Anesthesiology
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
General Acute Care Hospital
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Social Worker
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Nurse Practitioner (Psychiatric/Mental Health)
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Pharmacist
79 MIDDLEVILLE RD
NORTHPORT, NY 11768
Occupational Therapist
79 MIDDLEVILLE RD
NORTHPORT, NY 11768

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 George Mallis's NPI number?

The NPI number for George Mallis is 1366476475. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is George Mallis located?

George Mallis practices at 79 Middleville Rd, Northport, NY 11768. The listed phone number is (631) 266-6047.

What is George Mallis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is George Mallis enrolled in Medicare?

Yes. George Mallis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for George Mallis was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.