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

Individual provider Orthopaedic Surgery Physician · NPI 1700805579

Dr. Mark J. Langhans, MD is an Orthopedic Surgery in Pittsburgh, Pennsylvania. Graduated from Northwestern University Feinberg Medical School in 1985, 41 years ago. Practices with Keystone Rehabilitation Systems Inc, a 756-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
41
Trained at
Northwestern University Feinberg Medical School
Licensed in
PA
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

5900 Corporate Dr Ste 200
Pittsburgh, PA 15237-7004
Phone: (412) 369-4000
Fax: (412) 369-7667
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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 MD037488E (PA)

Record details

NPI number1700805579
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESAugust 31, 2020
Certification dateAugust 31, 2020

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesSPORTS MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1985 (41 years in practice)
Group practice Keystone Rehabilitation Systems Inc — 756 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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