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- 1215 Duff Avenue, Mcfarland Clinic Pc, Ames, IA 50010
About Dr. Hermsen
Based in Ames, IA, Jean D. Hermsen, DO is listed in the NPI registry under otolaryngology (ent). Jean is also listed as specializing in otolaryngology — otology & neurotology. According to Medicare claims data, Jean cared for 497 Medicare patients across 611 services. The services billed most often include diagnostic exam of nasal passages using an endoscope, diagnostic exam of voice box using a flexible endoscope, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1356540884 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (515) 239-4480
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1215 DUFF AVENUE MCFARLAND CLINIC PC
Ames, IA 50010
Conditions Commonly Evaluated or Treated
Within Otolaryngology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Cancer
- Nasopharyngeal cancer
- Oropharyngeal cancer
- Sinonasal cancer
- Laryngeal cancer
- Oral cavity cancer
- Skin cancer of the head and neck
Pediatric and congenital
- Congenital neck mass
Most searched conditions
Balance
Ear and hearing
- Cholesteatoma
- Eustachian tube dysfunction
- Hearing loss
- Otosclerosis
- Perforated eardrum
- Swimmer's ear
Head, neck, and salivary
Nose and sinus
- Broken nose
- Deviated septum
- Loss or reduction of smell
- Nasal obstruction
- Nasal polyps
- Nosebleeds
- Seasonal allergies
Sleep and airway
Throat and voice
- Enlarged adenoids
- Globus sensation
- Hoarseness and voice change
- Laryngopharyngeal reflux
- Swallowing difficulties
- Vocal cord nodules
- Vocal cord paralysis
Head & Neck
Throat & Voice
- Frequent Strep Throat
Procedures & services
Cosmetic
- Earlobe Repair
Ear & Hearing
- Bone-Anchored Hearing Aid Surgery
- Eustachian Tube Balloon Dilation
Ear procedures
- Bone-anchored hearing-device placement
- Cochlear implant surgery
- Ear-tube placement
- Eardrum repair
- Mastoid surgery
- Stapes surgery
- Earwax removal
Endocrine Surgery
Facial plastic and reconstructive
- Facial reconstructive surgery
Head & Neck
- Neck Lump Removal
- Salivary Duct Stone Removal
- Thyroid Nodule Biopsy
Head and neck surgery
- Parathyroid surgery
- Submandibular gland removal
- Thyroid removal surgery
- Transoral robotic surgery
- Voice-box removal
- Neck lymph-node dissection
- Parotid gland surgery
Nose & Sinus
- Broken Nose Repair
Nose and sinus procedures
- Balloon sinus dilation
- Endoscopic sinus surgery
- Nasal cautery for nosebleeds
- Nasal-polyp removal
- Reduction of a broken nose
- Septoplasty
- Turbinate reduction
- Rhinoplasty
Office diagnosis
- Balance and vestibular testing
- ENT consultation
- Fine-needle aspiration of a neck mass
- Flexible laryngoscopy
- Hearing test
- Nasal endoscopy
- Rigid laryngoscopy
Throat, voice, and swallowing
- Esophageal dilation
- Instrumental swallowing evaluation
- Microlaryngoscopy
- Vocal-fold injection
Most searched procedures
- Adenoidectomy
- Ear tube surgery
- Hearing test
- Sinus surgery
- Tonsillectomy
Sleep and airway
- Drug-induced sleep endoscopy
- Hypoglossal nerve stimulator implantation
- Uvulopalatopharyngoplasty
Throat & Voice
Procedures Most Often Billed to Medicare
611 services · 497 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
103 | More often than most peers in Otolaryngology (ENT) |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
96 | More often than most peers in Otolaryngology (ENT) |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
28 | More often than most peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
83 | As often as other peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
51 | As often as other peers in Otolaryngology (ENT) |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
50 | As often as other peers in Otolaryngology (ENT) |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
27 | As often as other peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
26 | Less often than most peers in Otolaryngology (ENT) |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | Less often than most peers in Otolaryngology (ENT) |
| Special gram or giemsa stain for microorganism | Lab test | 87205 |
22 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other otolaryngology specialists in Ames 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of nasal passages using an endoscope 8
Providers in IA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hermsen?
Dr. Hermsen is an otolaryngology (ent) in Ames, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Hermsen's address?
Dr. Hermsen is listed at 1215 Duff Avenue Mcfarland Clinic Pc, Ames, IA 50010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Hermsen?
The number on file is (515) 239-4480. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Hermsen's NPI number?
Dr. Hermsen's National Provider Identifier is 1356540884. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Hermsen train?
Dr. Hermsen attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hermsen been practicing?
Dr. Hermsen has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hermsen perform?
According to Medicare billing data, Dr. Hermsen performs procedures including diagnostic exam of nasal passages using an endoscope, diagnostic exam of voice box using a flexible endoscope and insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hermsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hermsen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.