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

Dr. Jean Dorthy Hermsen, DO

Individual provider Otolaryngology/Facial Plastic Surgery Physician · NPI 1356540884

Dr. Jean Dorthy Hermsen, DO is an Otolaryngology in Ames, Iowa. Qualified in 2007, 19 years ago. Practices with McFarland Clinic PC, a 353-clinician group and accepts Medicare assignment. Licensed in Iowa and Michigan.

Years since qualifying
19
Licensed in
IA, MI
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

1215 Duff Avenue McFarland Clinic Pc
Ames, IA 50010-3014
Phone: (515) 239-4480
Fax: (515) 239-4716
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 04309 (IA)
Otolaryngology/Facial Plastic Surgery Physician Taxonomy 207YX0905X · Licence 4309 (IA)
Otolaryngology/Facial Plastic Surgery Physician Taxonomy 207YX0905X · Licence 5101017240 (MI)

Record details

NPI number1356540884
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 14, 2007
Last updated in NPPESNovember 13, 2020
Certification dateNovember 13, 2020

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice McFarland Clinic Pc — 353 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare