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

Dr. Duncan L McKellar Jr., MD

Individual provider Orthopaedic Surgery Physician · NPI 1699750323

Dr. Duncan L McKellar Jr., MD is an Orthopedic Surgery in McKinney, Texas. Graduated from University of Texas Medical School at Houston in 1983, 43 years ago. Practices with Texas Joint Institute, PLLC, a 40-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
43
Trained at
University of Texas Medical School at Houston
Licensed in
TX
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

4201 Medical Center Dr Ste 100
McKinney, TX 75069-1766
Phone: (972) 566-5255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6821 Bonaparte Ct, Plano, TX 75024 — (931) 472-8651

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G5359 (TX)

Record details

NPI number1699750323
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 15, 2005
Last updated in NPPESDecember 21, 2022
Certification dateDecember 21, 2022

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1983 (43 years in practice)
Group practice Texas Joint Institute, Pllc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

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