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LIONEL SIFONTES MD
NPI 1154393346
Internal Medicine in Buffalo, NY

Active since February 02, 2006
100 HIGH ST, BUFFALO, NY 14203(716) 689-1901 Get Directions Write a Review

NPPES record last updated: December 10, 2009. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Lionel Sifontes Md NPPES

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

LIONEL SIFONTES MD (NPI 1154393346) is an individual internal medicine provider in Buffalo, New York, licensed in New York (103434-1) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1154393346
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLIONEL SIFONTESCredential: MD
Location Address100 HIGH STBuffalo, NY 14203-1126
Mailing Address100 High StBuffalo, NY 14203-1126 · (716) 689-1901
Phone(716) 689-1901
Sole ProprietorYes
Enumeration DateFebruary 2, 2006
Last NPPES UpdateDecember 10, 2009
✔ NPI 1154393346 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 · 103434-1
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.
100 HIGH ST, Buffalo, NY 14203
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Other Identifiers 3

Medicare UPINB35901NY
Medicare ID-Type UnspecifiedDD6402NY
Medicaid00615476NY

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.

MS. DENISE MARIE DONAHUE NURSE PRACTITIONER
Nurse Practitioner
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
GENERAL PHYSICIAN SUB II PLLC
Specialist
100 HIGH ST, RM C421
BUFFALO, NY 14203
Erie County (716) 859-7607
DR. MATTHEW KYLE MOSER MD
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 218-1000
MIAN MOHAMMAD HAMMAS MD
Hospitalist
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
DR. GUY SHEMESH DUNETZ MD
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
JILL FRASCO DO
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-5600
THOMAS WILLIAM JORDAN D.O.
Emergency Medicine
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-1993
KIM HUBER
Registered Nurse (Registered Nurse First Assistant)
100 HIGH ST
BUFFALO, NY 14203
Erie County (716) 859-2741

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 Lionel Sifontes's NPI number?

The NPI number for Lionel Sifontes is 1154393346. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is Lionel Sifontes located?

Lionel Sifontes practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 689-1901.

What is Lionel Sifontes's specialty?

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

When was this NPI record last updated?

The NPPES record for Lionel Sifontes was last updated on December 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.