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

Mark Stephen, MD

Individual provider Specialist · NPI 1790772408

Mark Stephen, MD is an Orthopedic Surgery in Levittown, New York. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1994, 32 years ago. Practices with True North Medical Group PC, a 186-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
32
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
NY
In the registry since
2005
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

2920 Hempstead Tpke
Levittown, NY 11756-1402
Phone: (516) 735-4048
Fax: (516) 731-1945
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 213491 (NY)

Record details

NPI number1790772408
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2005
Last updated in NPPESSeptember 18, 2014
Mailing address2920 Hempstead Tpke, Levittown, NY 11756-1402

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice True North Medical Group Pc — 186 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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