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

Dr. Bryon N. Johnson, DO

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1134339989

Dr. Bryon N. Johnson, DO is an Internal Medicine in Des Moines, Iowa. Qualified in 2004, 22 years ago. Practices with Mercy Clinics Inc, a 442-clinician group and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
22
Licensed in
IA
In the registry since
2007
Specialties on file
3
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

411 Laurel St Ste A120
Des Moines, IA 50314-3027
Phone: (515) 643-7900
Fax: (515) 643-7901
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence DO-03804 (IA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 3804 (IA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 3804 (IA)

Record details

NPI number1134339989
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESNovember 11, 2020
Certification dateNovember 11, 2020
Mailing addressPo Box 1475, Des Moines, IA 50305-1475

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Mercy Clinics Inc — 442 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations7 on file with Medicare

Other providers in Des Moines