Doctor profile · Federal record

Dr. Jean Hermsen, DO

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology/Facial Plastic Surgery Physician · Otolaryngology/Facial Plastic Surgery Physician · Ames, IA

  • NPI 1356540884
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1215 Duff Avenue, McFarland Clinic PC
Ames, IA 500103014
(515) 239-4480
fax (515) 239-4716

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
November 13, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (3)
Iowa #04309 · Iowa #4309 · Michigan #5101017240

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356540884. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
550
Distinct HCPCS
10
Medicare allowed
$64,095
HCPCS Description Services Patients Avg allowed
31575 Diagnostic exam of voice box using a flexible endoscope 120 92 $119
31231 Diagnostic exam of nasal passages using an endoscope 95 69 $172
99213 Established patient office or other outpatient visit, 20-29 minutes 62 54 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 45 40 $119
87070 Bacterial culture, any other source except urine, blood or stool, aerobic 27 20 $8
87075 Bacterial culture, any source, except blood, anaerobic 26 19 $9
87205 Special gram or giemsa stain for microorganism 25 19 $4
99215 Established patient office or other outpatient visit, 40-54 minutes 25 24 $169
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $105
99212 Established patient office or other outpatient visit, 10-19 minutes 24 22 $53

In context: peer comparison

Among 2 peers in this city , average services per provider: 52. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
59
Total drug cost
$3,642
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 32 16 $982
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 19 $109
Ipratropium Bromide Generic 19 0 $480
Mupirocin Generic 19 0 $261
Omeprazole Generic 15 0 $281
Cephalexin Generic 14 13 $62
Prednisone Generic 13 11 $58
Budesonide Generic 11 0 $1,408

Frequently asked questions

Auto-generated from federal data
What is Dr. Jean Hermsen's medical specialty?
Dr. Jean Hermsen practices Otolaryngology Physician in Ames, IA.
Where does Dr. Jean Hermsen practice?
Dr. Jean Hermsen practices at 1215 Duff Avenue, Ames, IA 500103014. Office phone: 5152394480.
What is Dr. Jean Hermsen's NPI?
Dr. Jean Hermsen's National Provider Identifier (NPI) is 1356540884, issued by NPPES.
Does Dr. Jean Hermsen accept Medicare assignment?
Yes. Dr. Jean Hermsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jean Hermsen commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575); Diagnostic exam of nasal passages using an endoscope (HCPCS 31231); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.