Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LYNN M. CIESLAK M.D.
NPI 1518951011
Internal Medicine in Williamsville, NY

Active since September 12, 2005
1540 MAPLE RD, WILLIAMSVILLE, NY 14221(716) 481-7384 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Lynn M. Cieslak M.d. NPPES

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

DR. LYNN M. CIESLAK M.D. (NPI 1518951011) is an individual internal medicine provider in Williamsville, New York, licensed in New York (206530) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1518951011
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. LYNN M. CIESLAKCredential: M.D.
Location Address1540 MAPLE RDWilliamsville, NY 14221-3647
Mailing Address6041 Corinne LnClarence Center, NY 14032-9510 · (716) 481-7384
Sole ProprietorNo
Enumeration DateSeptember 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1518951011 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 · 206530
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.

1540 MAPLE RD, Williamsville, NY 14221

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 (Neonatal)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Nurse Practitioner (Neonatal)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Pediatrics (Neonatal-Perinatal Medicine)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Pediatrics (Neonatal-Perinatal Medicine)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Nurse Practitioner (Neonatal)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Nurse Practitioner (Neonatal)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Internal Medicine (Pulmonary Disease)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221
Nurse Practitioner (Neonatal)
1540 MAPLE RD
WILLIAMSVILLE, NY 14221

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518951011, enumerated as an "individual" on September 12, 2005.

The provider is located at 1540 MAPLE RD WILLIAMSVILLE, NY 14221 and the phone number is (716) 481-7384.

Internal Medicine with taxonomy code 207R00000X.