BOULDER COUNTY · NORTH METRO DENVER
Expert Neurosurgical Care. Closer to Home.
Learn about CU Medicine-employed neurosurgeons and advanced practice providers serving Boulder, Broomfield, Longmont, and the northern Denver metropolitan area. Explore their clinical expertise, patient education resources, and the locations where brain and spine care is available.
Independent Physician Information. This website does not operate clinics, provide medical care, or schedule appointments. Use the authorized healthcare organizations’ channels for appointments and referrals.
BRAIN & SPINE CARE
Academic expertise. A community of care.
SPECIALIZED CARE, CENTERED ON YOU
Thoughtful Neurosurgical Care, From Evaluation to Treatment
Expert neurosurgical care begins with a thoughtful, individualized approach. Our CU Medicine neurosurgeons and advanced practice providers combine the clinical expertise, evidence-based practices, and collaborative resources of academic medicine with the personal attention and accessibility of community-based care.
Whether you're seeking answers about a brain or spine condition, exploring nonsurgical treatments, or considering surgery, our team emphasizes thorough evaluation, clear communication, and treatment recommendations tailored to your needs. When complex conditions require additional expertise, collaboration with specialists at the University of Colorado Anschutz Medical Campus helps connect patients with advanced resources and coordinated care.
From your first consultation through treatment and recovery, our goal is to bring the advantages of academic neurosurgery closer to home for patients throughout Boulder County and North Metro Denver.
Brain and Spine Care
01
Spine Conditions
Evaluation and management of conditions affecting the cervical, thoracic, and lumbar spine, including degenerative disorders and nerve compression.
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02
Brain and Cranial Conditions
Specialized evaluation of selected conditions affecting the brain and nervous system.
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03
Neurosurgical Consultation and Second Opinions
Individualized review of symptoms, imaging, prior treatments, and potential next steps.
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FEATURED CLINICIANS
Meet the People Behind Your Care

Chih-Ta Lin, MD, FAANS
Board-Certified Neurosurgeon
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Peter Lennarson, MD, FAANS
Board-Certified Neurosurgeon
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Nancy L. Lennarson, MS, RN, AGACNP-BC
Board-Certified Adult-Gerontology Acute Care Nurse Practitioner
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Terri Baker, PA-C
Certified Physician Assistant
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Meet Our Team
Care Built Around the Individual
01
Understand the Diagnosis
Clear explanations of symptoms, imaging, and clinical findings.
02
Explore Treatment Options
Thoughtful discussion of appropriate surgical and nonsurgical approaches.
03
Coordinate Your Care
Communication and collaboration among clinicians involved in the patient’s treatment.
Academic Expertise. Community Connection.
Exceptional neurosurgical care should be both specialized and accessible. Our featured CU Medicine-employed neurosurgeons and advanced practice providers bring academic expertise and personalized brain and spine care closer to home, serving patients throughout Boulder County and North Metro Denver. With clinical locations in Boulder, Broomfield, and Longmont, patients benefit from thoughtful evaluations, individualized treatment options, and coordinated care. When additional subspecialty expertise is needed, our clinicians collaborate with colleagues at the University of Colorado Anschutz Medical Campus—connecting the convenience of local care with the resources of an academic medical center.
With clinical locations in Boulder, Broomfield, and Longmont, patients benefit from thoughtful evaluations, individualized treatment options, and coordinated care. When additional subspecialty expertise is needed, our clinicians collaborate with colleagues at the University of Colorado Anschutz Medical Campus—connecting the convenience of local care with the resources of an academic medical center.
FOR REFERRING CLINICIANS
Referral Information for Clinicians
Find information about the featured neurosurgical clinicians, appropriate reasons for referral, useful clinical records and imaging, and authorized referral channels at the receiving healthcare organizations.
Your Next Step Starts Here
Whether you’re seeking a consultation, exploring treatment options, or arranging a referral, use the appropriate clinic or healthcare organization’s authorized channels.