Meet our doctors

Dr. Saim Tahir D.P.M.

Board Certified

Saim Tahir

Dr. Tahir completed his undergraduate studies at University of Connecticut with a major in molecular and cellular biology. He then attended graduate school obtaining a Masters in Science at New York Medical College. After graduate school he attended New York College of Podiatric Medicine, where he received his Doctorate in Podiatric Medicine. He went on to complete his 3-year surgical residency in Podiatric Medicine and Reconstructive Rearfoot/Ankle Surgery at RWJBarnabas Trinitas Hospital. 

He received training in foot and ankle trauma, diabetic limb salvage, wound care, reconstruction and amputation, as well as elective forefoot and rear foot pathologies. Dr. Tahir is Board Certified with ABPM and Board qualified with ABFAS in forefoot surgery. He is dedicated to treat both pediatric and adult patients with the greatest standard of care while incorporating the latest medical advances. 

Board Certification

  • Board Certified, American Board of Podiatric Medicine 

  • Board Qualified, Foot Surgery, American Board of Foot & Ankle Surgery

Education

  • University of Connecticut, Bachleors Degree

  • New York Medical College, Masters Degree

  • New York College of Podiatric Medicine, Doctorate

Residency/Internship

  • RWJBarnabas Trinitas PSMR/RRA

Affiliations

  • Montefiore Nyack Hospital

  • Ramapo Valley Surgical Center

  • Member American Podiatric Medical Association

  • Member American Board of Podiatric Medicine

  • Member New York State Podiatric Medical Association

Dr. Michelle Diaz D.P.M.

Board Certified

Dr. Michelle Diaz is a foot & ankle specialist based in Stony Point, NY. She takes a patient-centered approach to musculoskeletal and medical conditions of the lower extremity. She focuses on clear communication, restoring mobility, and improving quality of life through precise diagnosis and evidence-based care. Dr. Diaz earned a doctorate in podiatric medicine from the New York College of Podiatric Medicine. She is certified in reconstructive rearfoot/ankle surgery and foot surgery by the esteemed American Board of Foot and Ankle Surgery.

Board Certification

  • Board Certified, American Board of Podiatric Medicine 

  • Board Qualified, Foot Surgery, American Board of Foot & Ankle Surgery

Education

  • New York College of Podiatric Medicine, Doctorate

Residency/Internship

  • Montefiore Bronx PSMR/RRA

Affiliations

  • Montefiore Nyack Hospital

Dr. Peter Costa D.P.M.

Retired

Logo of the American Board of Foot and Ankle Surgery featuring a gold caduceus with a blue wing, encircled by a gold border with text, next to the organization's name and tagline.
Logo of the New York State Podiatric Medical Association, featuring a caduceus symbol with wings, a foot, and a laureled wreath.
Logo of APMA Member with text 'Advancing foot and ankle medicine and surgery'
Logo of the American Board of Podiatric Medicine featuring a maroon and gold color scheme, a caduceus with a foot, and the text 'American Board of Podiatric Medicine' and 'ABPM'.