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

Tony L Chien, DO

Individual provider Orthopaedic Surgery Physician · NPI 1477617025

Tony L Chien, DO is an Orthopedic Surgery in Saint Louis, Missouri. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1998, 28 years ago. Accepts Medicare assignment. Licensed in Missouri and North Dakota.

Years since qualifying
28
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
MO, ND
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

2821 N Ballas Rd Ste C20
Saint Louis, MO 63131-2300
Phone: (636) 778-9341
Fax: (636) 778-9342
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 2008016777 (MO)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 10081 (ND)

Record details

NPI number1477617025
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedDecember 20, 2006
Last updated in NPPESDecember 21, 2023
Certification dateDecember 21, 2023

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1998 (28 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations11 on file with Medicare

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