IAN T LESNIAK PA-C
NPI 1790665461
Physician Assistant - Medical in Buffalo, NY

Active since September 04, 2025PECOS EnrolledAccepts Medicare Assignment
100 HIGH ST, BUFFALO, NY 14203(716) 859-5600 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ian T Lesniak Pa-c NPPES

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

IAN T LESNIAK PA-C (NPI 1790665461) is an individual medical provider in Buffalo, New York and active in the NPI registry since September 2025. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1790665461
Entity TypeIndividualMale
Primary Taxonomy363AM0700X
Provider Legal NameIAN T LESNIAKCredential: PA-C
Location Address100 HIGH STBuffalo, NY 14203-1126
Mailing Address726 Exchange St Ste 710Buffalo, NY 14210-1464 · (716) 852-4772
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateSeptember 4, 2025
NPPES CertifiedSeptember 4, 2025
NPI 1790665461 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
100 HIGH ST, Buffalo, NY 14203

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

Ian T Lesniak Pa-c 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 ID4082109459
PECOS Enrollment IDI20251223001810
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.

Hospital Affiliations CMS Care Compare

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

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

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.

Nurse Practitioner
100 HIGH ST
BUFFALO, NY 14203
Specialist
100 HIGH ST, RM C421
BUFFALO, NY 14203
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Hospitalist
100 HIGH ST
BUFFALO, NY 14203
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Student in an Organized Health Care Education/Training Program
100 HIGH ST
BUFFALO, NY 14203
Emergency Medicine
100 HIGH ST
BUFFALO, NY 14203
Registered Nurse (Registered Nurse First Assistant)
100 HIGH ST
BUFFALO, NY 14203

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 Ian Lesniak's NPI number?

The NPI number for Ian Lesniak is 1790665461. It was assigned to this individual provider in the NPPES registry on September 4, 2025.

Where is Ian Lesniak located?

Ian Lesniak practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 859-5600.

What is Ian Lesniak's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Ian Lesniak enrolled in Medicare?

Yes. Ian Lesniak 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.

Is Ian Lesniak affiliated with any hospitals?

According to CMS data, Ian Lesniak is affiliated with Kaleida Health.

When was this NPI record last updated?

The NPPES record for Ian Lesniak was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.