Our team

Nine clinicians. One approach: expert care that never makes you feel like a number.

Harbor & Pine was founded in 2019 by Dr. Erin Castellano and Dr. Marcus Oyelaran, and has grown to a team of nine clinicians across two Portland-area clinics.

Our founders

Co-founder

Dr. Erin Castellano, DPT, OCS

Erin co-founded Harbor & Pine in 2019. She is a Doctor of Physical Therapy and a board-certified Orthopaedic Clinical Specialist (OCS).

Her board certification reflects advanced clinical expertise in orthopedic physical therapy.

Co-founder

Dr. Marcus Oyelaran, DPT, SCS

Marcus co-founded Harbor & Pine in 2019. He is a Doctor of Physical Therapy and a board-certified Sports Clinical Specialist (SCS).

His board certification reflects advanced clinical expertise in sports physical therapy.

The clinical team

Alongside our founders, Harbor & Pine has nine clinicians in total across our Old Port and South Portland clinics.

That includes two certified pelvic health physical therapists who provide pre- and post-partum care.

When you request an appointment, tell us what you're dealing with, and we'll help match you with the right clinician.

See our specialties →

Request an appointment

Tell us where you'd like to be seen, what's going on and how you plan to pay. No physician's referral is needed for Maine patients.

  • Monday – Thursday 7am – 7pm, Friday 7am – 4pm
  • Saturday 8am – 12pm at Old Port

Please keep details brief and don't include sensitive medical records here. We'll cover the rest when we reach out.