MS
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. St. Onge, Orthopedic Spine Surgeon in Lancaster, PA?
Dr. Michael St. Onge, DO is an Orthopedic Spine Surgeon, who primarily practices in Lancaster, PA with 1 additional practice location. Dr. St. Onge is fluent in English, and is currently seeing new patients. Dr. St. Onge’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. St. Onge’s office.
What languages does Dr. St. Onge speak?
Dr. St. Onge and their clinical team can communicate with patients in the following languages:
English
What conditions does an Orthopedic Spine Surgeon like Dr. St. Onge typically treat?
As an Orthopedic Spine Surgeon, Dr. St. Onge diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. St. Onge. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Lower Back Disc Disorder with Nerve Pain
- Peripheral Nerve Disorder
- Spine Injuries and Disorder
- Herniated Disc in Lower Back with Radiculopathy
- Slipped Disc in Lower Back causing Nerve Pain
- Lumbar Radiculopathy
ICD-10 Codes:
- M5116: Intervertebral disc disorders with radiculopathy, lumbar region
Also known as:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Lower Back Spinal Stenosis with Nerve Pain in Legs
- Spinal Stenosis
- Lumbar Spinal Stenosis with Claudication
- Narrowing of Lower Back Spinal Canal with Leg Pain
- Nerve Compression in Lower Back with Walking Pain
ICD-10 Codes:
- M48062: Spinal stenosis, lumbar region with neurogenic claudication
Also known as:
- Pinched Nerve in Lower Back
- Back Pain
- Peripheral Nerve Disorder
- Lumbar Radiculopathy
- Lower Back Nerve Compression
- Compressed Nerve in Lower Back
ICD-10 Codes:
- M5416: Radiculopathy, lumbar region
What procedures does an Orthopedic Spine Surgeon like Dr. St. Onge typically perform?
As an Orthopedic Spine Surgeon, Dr. St. Onge performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. St. Onge. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Lumbar Spine Decompression Surgery
- Laminectomy
- Facetectomy
- Foraminotomy
- Spinal Stenosis Surgery
CPT Codes:
- 63047: Laminectomy, facetectomy and foraminotomy (unilateral or bilateral with decompression of spinal cord, cauda equina and/or nerve root[s], [eg, spinal or lateral recess stenosis]), single vertebral segment; lumbar
Also known as:
- Additional Spinal Decompression Segment
- Laminectomy for Spinal Stenosis
- Facetectomy for Nerve Decompression
- Foraminotomy for Pinched Nerve
CPT Codes:
- 63048: Laminectomy, facetectomy and foraminotomy (unilateral or bilateral with decompression of spinal cord, cauda equina and/or nerve root[s], [eg, spinal or lateral recess stenosis]), single vertebral segment; each additional vertebral segment, cervical, thoracic, or lumbar (List separately in addition to code for primary procedure)
Also known as:
- Spinal Cord Stimulator Insertion
- Spinal Neurostimulator Placement
- SCS Implantation
- Back Pain Stimulator Surgery
CPT Codes:
- 63685: Insertion or replacement of spinal neurostimulator pulse generator or receiver, requiring pocket creation and connection between electrode array and pulse generator or receiver
Also known as:
- Laminectomy for Spinal Cord Stimulator Implantation
- Spinal Cord Stimulator Placement
- Epidural Neurostimulator Surgery
- Pain Stimulator Implantation
CPT Codes:
- 63655: Laminectomy for implantation of neurostimulator electrodes, plate/paddle, epidural
Also known as:
- Bone Marrow Aspiration for Spine Graft
- Spine Bone Marrow Harvest
- Autologous Bone Graft for Spine
- Bone Marrow Aspiration (Spine)
- Spine Bone Graft Material Collection
CPT Codes:
- 20939: Bone marrow aspiration for bone grafting, spine surgery only, through separate skin or fascial incision (List separately in addition to code for primary procedure)
Also known as:
- Spine Allograft Placement
- Spinal Bone Graft
- Osteopromotive Material Spine
- Donor Bone Graft Spine
- Spine Fusion Material
CPT Codes:
- 20930: Allograft, morselized, or placement of osteopromotive material, for spine surgery only (List separately in addition to code for primary procedure)
Also known as:
- Spinal Cage Insertion for Fusion
- Interbody Device Implantation
- Spinal Fusion with Cage
- Synthetic Disc Space Device
CPT Codes:
- 22853: Insertion of interbody biomechanical device(s) (eg, synthetic cage, mesh) with integral anterior instrumentation for device anchoring (eg, screws, flanges), when performed, to intervertebral disc space in conjunction with interbody arthrodesis, each interspace (List separately in addition to code for primary procedure)
Also known as:
- Local Bone Graft for Spine Surgery
- Spine Autograft
- Local Bone Harvest for Spine
- Spinal Fusion Bone Graft
CPT Codes:
- 20936: Autograft for spine surgery only (includes harvesting the graft); local (eg, ribs, spinous process, or laminar fragments) obtained from same incision (List separately in addition to code for primary procedure)
Does Dr. St. Onge accept my insurance?
Dr. St. Onge accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. St. Onge accept in Lancaster, PA?
Dr. St. Onge in Lancaster, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Everence Financial
Highmark Health
Humana
Medicare
Risant Health
UnitedHealth Group
UPMC Health System
View All Insurances
Where is Dr. St. Onge's office located?
What is Dr. St. Onge's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. St. Onge's National Provider Identifier (NPI) number is 1184912719.
What common questions do patients ask about Dr. St. Onge?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. St. Onge
What is Dr. Michael St. Onge's specialty?
Dr. St. Onge is a Orthopedic Spine Surgeon near Lancaster, PA.
What does an Orthopedic Spine Surgeon do?
Orthopaedic surgeons specializing in the spine, recognized by several state medical boards as a fellowship subspecialty of orthopaedic surgery, focus on the evaluation and treatment for both nonoperative and operative of a wide range of primary spinal disorders. These include trauma, degenerative conditions, deformities, tumors, and reconstructive issues related to the spine.
Is this Dr. Michael St. Onge affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. St. Onge is affiliated with Penn Medicine Lancaster General Hospital, Reading Hospital Tower Health, Wellspan Good Samaritan Hospital, Wellspan York Hospital, Penn State Health St. Joseph Medical Center, St. Mary's Hospital Amsterdam which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Orthopedic Spine Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Orthopedic Spine Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Michael St. Onge accepting new patients in Lancaster, PA?
Yes, Dr. Michael St. Onge is accepting new patients at this time.
Does Dr. Michael St. Onge offer online booking?
Please contact Dr. St. Onge's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Michael St. Onge?
Please contact Dr. St. Onge's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Orthopedic Spine Surgeon Near Lancaster, PA
JS
Orthopedic Surgeon
Dr. Justin Stull, MD is an Orthopedic Surgeon, who primarily practices in Lancaster, PA with 2 additional practice locations.
Lancaster, PA

Orthopedic Spine Surgeon
Dr. Mark Knaub, MD is an Orthopedic Spine Surgeon, who primarily practices in Hershey, PA. He has been practicing for over 22 years and is board certified.
Hershey, PA
VS
Orthopedic Spine Surgeon
Dr. Varun Sambhariya, MD is an Orthopedic Spine Surgeon, who primarily practices in Forest Hill, MD with 1 additional practice location.
Forest Hill, MD