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

John R Barker, MD

Individual provider Orthopaedic Surgery Physician · NPI 1013919117

John R Barker, MD is an Orthopedic Surgery in Lone Tree, Colorado. Graduated from Southern Illinois University School of Medicine in 1995, 31 years ago. Practices with Healthone Clinic Services-Surgical Specialties LLC, a 42-clinician group and accepts Medicare assignment. Licensed in Colorado.

Years since qualifying
31
Trained at
Southern Illinois University School of Medicine
Licensed in
CO
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

10103 Ridgegate Pkwy
Lone Tree, CO 80124-5520
Phone: (303) 225-8120
Fax: (303) 225-8130
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 38445 (CO)

Record details

NPI number1013919117
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2005
Last updated in NPPESDecember 27, 2018
Mailing address10103 Ridgegate Pkwy, Ste 306, Lone Tree, CO 80124-5525

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Healthone Clinic Services-Surgical Specialties Llc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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