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

Dr. Mark Jeffrey Klion, MD

Individual provider Sports Medicine (Orthopaedic Surgery) Physician · NPI 1972610798

Dr. Mark Jeffrey Klion, MD is an Orthopedic Surgery in New York, New York. Graduated from Icahn School of Medicine at Mount Sinai in 1989, 37 years ago. Practices with White Plains Physician Services PC, a 384-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2006
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

57 W 57th Street 15th Fl
New York, NY 10019-2832
Phone: (212) 289-0700
Fax: (212) 289-0171
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sports Medicine (Orthopaedic Surgery) Physician (primary) Taxonomy 207XX0005X · Licence 1836021 (NY)

Record details

NPI number1972610798
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 15, 2015

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesSPORTS MEDICINE
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1989 (37 years in practice)
Group practice White Plains Physician Services Pc — 384 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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