Physician Profile
Unclaimed ProfileAbout PREHN
Robert B. Prehn, M.D. practices otolaryngology in Neenah, WI. Robert is a 1991 graduate of University of Wisconsin School of Medicine. Robert is also listed as specializing in specialist and otolaryngology (ent). Medicare claims data shows Robert provided 217 services to 184 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (920) 969-1768
- Email not available
Practice Locations
119 E BELL ST
Neenah, WI 54956
Procedures Most Often Billed to Medicare
217 services · 184 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
41 |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
14 |
| Exam of ear using a microscope | Treatment | 92504 |
16 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
61 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
34 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
15 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 |
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.
Other otolaryngology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 24 related providers in 3 groups
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Wisconsin School of Medicine 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 WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Prehn?
Dr. Prehn is an otolaryngology in Neenah, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
What is Dr. Prehn's address?
Dr. Prehn is listed at 119 E BELL ST, Neenah, WI 54956. 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. Prehn?
The number on file is (920) 969-1768. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Prehn?
Dr. Prehn's National Provider Identifier is 1407859523. 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. Prehn train?
Dr. Prehn attended University of Wisconsin School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Prehn have?
Dr. Prehn has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Prehn perform?
According to Medicare billing data, Dr. Prehn performs procedures including diagnostic exam of nasal passages using an endoscope and diagnostic exam of voice box using a flexible endoscope; provides treatments such as exam of ear using a microscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Prehn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Prehn. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.