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

Individual provider Orthopaedic Surgery Physician · NPI 1396292348

Dr. Arnaldo Martinez Rivera, MD is an Orthopedic Surgery in Saint Louis, Missouri. Qualified in 2018, 8 years ago. Practices with Washington University, a 2,986-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
8
Licensed in
IL, MO
In the registry since
2016
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

1 Childrens Pl Ste 1B
Saint Louis, MO 63110-1002
Phone: (314) 514-3500
Fax: (314) 878-7678
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 8600 N State Route 91, Peoria, IL 61615-9541 — (309) 655-7668

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 2023005416 (MO)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 036177324 (IL)

Record details

NPI number1396292348
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2016
Last updated in NPPESSeptember 29, 2025
Certification dateSeptember 29, 2025

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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