Frederick C. Prehn, D.D.S.
Dentist · Wausau, WI
Frederick C. Prehn, D.D.S. is a dentist with a practice address in Wausau, Wisconsin, and NPI 1972801934, issued on Mar 1, 2011. Check the license (Wisconsin 2930, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Frederick C. Prehn
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 2930 WI
Self-reported in NPPES; status is on the state search - Practice location
- 413 Jefferson St, Wausau, WI 54403
- Phone
- (715) 842-1270
- Enumerated
- Mar 1, 2011
- Record last updated
- Mar 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (715) 848-2906
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,750 in Wisconsin → Look up another NPI →
Verify Frederick C. Prehn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2930Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average dentist in 2024
31 Medicare Part D claims for 25 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Frederick C. Prehn among 1,750 dentist records in Wisconsin
Frederick C. Prehn, D.D.S. is one of 1,750 dentist records with a practice address in Wisconsin. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 51% of them.
- NPI issued2011 · 51% of these records are older, 47% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Wisconsin
There are 1,750 dentist records in Wisconsin.
All 1,750 in Wisconsin → Every provider in Wausau → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Leesa ChingWausau, WI 544031851750293
- Joshua FlavinWausau, WI 544031750836623
- Robert Frisch, DDSWausau, WI 544031922025592
- John Kregenow, DDSWausau, WI 544031740205137
- Marym Lakhani, DMDWausau, WI 544031699459016
- Patrick Morath, DDSWausau, WI 544031265652226
- Elisabeth Myers, DDSWausau, WI 544031891710299
- Daniel Schaut, DDSWausau, WI 544031841594603
Common questions
What is Frederick C. Prehn, D.D.S.'s NPI number?
Frederick C. Prehn, D.D.S.'s National Provider Identifier (NPI) is 1972801934, issued on Mar 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Frederick C. Prehn, D.D.S. located?
The NPPES record lists a practice address at 413 Jefferson St, Wausau, WI, 54403. Phone: (715) 842-1270. Providers update this record themselves, so call before visiting.
How can I verify Frederick C. Prehn, D.D.S.'s license?
NPPES lists Wisconsin license number 2930, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Frederick C. Prehn, D.D.S. prescribe under Medicare Part D?
In 2024, Frederick C. Prehn, D.D.S. had 31 Medicare Part D claims for 25 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.