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

DR. STEVEN A. LILLMARS D.O.
NPI 1821059833
Orthopaedic Surgery in Danville, PA

Active since March 29, 2006
100 N ACADEMY AVE, DANVILLE, PA 17822(570) 271-6541 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Steven A. Lillmars D.o. NPPES

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

DR. STEVEN A. LILLMARS D.O. (NPI 1821059833) is an individual orthopaedic surgery provider in Danville, Pennsylvania, licensed in Pennsylvania (OS004464L) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1821059833
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. STEVEN A. LILLMARSCredential: D.O.
Location Address100 N ACADEMY AVEDanville, PA 17822-2130
Mailing Address100 N Academy AveDanville, PA 17822-3034 · (570) 271-6144 · Fax (570) 271-6578
Sole ProprietorNo
Enumeration DateMarch 29, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1821059833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in PA · OS004464L
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
100 N ACADEMY AVE, Danville, PA 17822

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.

Surgery (Pediatric Surgery)
100 N ACADEMY AVE
DANVILLE, PA 17822
Dietitian, Registered
100 N ACADEMY AVE
DANVILLE, PA 17822
Emergency Medicine
100 N ACADEMY AVE
DANVILLE, PA 17822
Physician Assistant
100 N ACADEMY AVE
DANVILLE, PA 17822
Pediatrics
100 N ACADEMY AVE
DANVILLE, PA 17822
Surgery (Pediatric Surgery)
100 N ACADEMY AVE
DANVILLE, PA 17822
Pediatrics (Neonatal-Perinatal Medicine)
100 N ACADEMY AVE
DANVILLE, PA 17822
Nurse Anesthetist, Certified Registered
100 N ACADEMY AVE
DANVILLE, PA 17822

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 Steven Lillmars's NPI number?

The NPI number for Steven Lillmars is 1821059833. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Steven Lillmars located?

Steven Lillmars practices at 100 N Academy Ave, Danville, PA 17822. The listed phone number is (570) 271-6541.

What is Steven Lillmars's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

When was this NPI record last updated?

The NPPES record for Steven Lillmars was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 days 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.