Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Stephen Peter Kayiaros, MD

Individual provider Adult Reconstructive Orthopaedic Surgery Physician · NPI 1669699542

Stephen Peter Kayiaros, MD is an Orthopedic Surgery in Princeton, New Jersey. Graduated from Rutgers New Jersey Medical School in 2005, 21 years ago. Practices with Orthonj LLC, a 301-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
21
Trained at
Rutgers New Jersey Medical School
Licensed in
NJ
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

211 N Harrison St
Princeton, NJ 08540-3530
Phone: (609) 683-7800
Fax: (609) 683-7875
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 25MA09077600 (NJ)
Adult Reconstructive Orthopaedic Surgery Physician Taxonomy 207XS0114X · Licence 25MA09077600 (NJ)
Orthopaedic Trauma Physician Taxonomy 207XX0801X · Licence 25MA09077600 (NJ)

Record details

NPI number1669699542
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2007
Last updated in NPPESJune 15, 2020
Certification dateJune 15, 2020
Mailing address2 Worlds Fair Dr, Somerset, NJ 08873-1369

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 2005 (21 years in practice)
Group practice Orthonj Llc — 301 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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