Active NPI
Steven A. Lillmars, D.O.
- Orthopaedic Surgery Physician
- Danville, PA
National Provider Identifier
1821059833
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery Physician
- License
- OS004464L
- Practice address
- 100 N Academy Ave
Danville, PA 17822-2130 - Phone
- (570) 271-6541
- NPI assigned
- Mar 29, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | OS004464L | PA | Primary |
Addresses
Primary practice location
100 N Academy Ave
Danville, PA 17822-2130
Mailing address
100 N Academy Ave
Danville, PA 17822-3034
Phone (570) 271-6144
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143590400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1821059833",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "100 N ACADEMY AVE",
"city": "DANVILLE",
"state": "PA",
"postal_code": "178223034",
"telephone_number": "570-271-6144",
"fax_number": "570-271-6578"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "100 N ACADEMY AVE",
"city": "DANVILLE",
"state": "PA",
"postal_code": "178222130",
"telephone_number": "570-271-6541"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LILLMARS",
"first_name": "STEVEN",
"middle_name": "A.",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-29",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "PA",
"license": "OS004464L",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Danville, PA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.