Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Henry Rossy IV, MD

Individual provider Orthopaedic Surgery Physician · NPI 1891012183

Dr. William Henry Rossy IV, MD is an Orthopedic Surgery in Princeton, New Jersey. Qualified in 2010, 16 years ago. Practices with Orthonj LLC, a 301-clinician group and accepts Medicare assignment. Licensed in New Jersey and New York.

Years since qualifying
16
Licensed in
NJ, NY
In the registry since
2010
Specialties on file
2
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

325 Princeton Ave
Princeton, NJ 08540-1617
Phone: (609) 924-8131
Fax: (609) 924-8532
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 25MA09847900 (NJ)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 275857 (NY)

Record details

NPI number1891012183
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2010
Last updated in NPPESOctober 1, 2019

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Orthonj Llc — 301 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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