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

Christopher James Rierson, DO

Individual provider Orthopaedic Surgery Physician · NPI 1912173741

Christopher James Rierson, DO is an Orthopedic Surgery in Spencer, Iowa. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1999, 27 years ago. Practices with Spencer Municipal Hospital, a 95-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
27
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
IA
In the registry since
2008
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.

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Practice location Address checks out

1200 1st Ave E Ste C
Spencer, IA 51301-4342
Phone: (712) 262-7511
Fax: (712) 262-3658
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 4395 (IA)

Record details

NPI number1912173741
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 1, 2008
Last updated in NPPESOctober 1, 2013
Mailing address1200 1st Ave E, Ste C, Spencer, IA 51301-4342

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Spencer Municipal Hospital — 95 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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