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

Bryan John Feyen, DO

Individual provider Gastroenterology Physician · NPI 1811042310

Bryan John Feyen, DO is a Gastroenterology in Ames, Iowa. Qualified in 1998, 28 years ago. Practices with Avera McKennan, a 962-clinician group and accepts Medicare assignment. Licensed in Florida and Iowa.

Years since qualifying
28
Licensed in
FL, IA
In the registry since
2007
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

1215 Duff Ave
Ames, IA 50010-3014
Phone: (515) 239-4450
Fax: (515) 956-4080
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 03430 (IA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence OS12937 (FL)

Record details

NPI number1811042310
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 24, 2007
Last updated in NPPESFebruary 9, 2016
Mailing addressPo Box 3014, 1215 Duff Avenue, Ames, IA 50010-3014

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Ames