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

Dr. Daniel Paul Mass, MD

Individual provider Orthopaedic Surgery Physician · NPI 1689745002

Dr. Daniel Paul Mass, MD is an Orthopedic Surgery in Chicago, Illinois. Graduated from University of Chicago, Pritzker School of Medicine in 1975, 51 years ago. Practices with The Board of Trustees of the University of Illinois, a 1,142-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
51
Trained at
University of Chicago, Pritzker School of Medicine
Licensed in
IL
In the registry since
2006
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

5841 S Maryland Ave Mc 3079
Chicago, IL 60637-1447
Phone: (773) 702-6306
Fax: (773) 702-4378
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1801 W Taylor St, Chicago, IL 60612-4795 — (866) 600-2273

Specialties & licences

Orthopaedic Hand Surgery Physician (primary) Taxonomy 207XS0106X · Licence 036-053003 (IL)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 036053003 (IL)

Record details

NPI number1689745002
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 10, 2006
Last updated in NPPESMarch 6, 2025
Certification dateMarch 6, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Also practisesHAND SURGERY
Medical schoolUNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice The Board Of Trustees Of The University Of Illinois — 1142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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