Dan Frederick Madsen, MD
Otolaryngology Physician · Wharton, TX
Dan Frederick Madsen, MD is an otolaryngology physician with a practice address in Wharton, Texas, and NPI 1194789883, issued on Apr 12, 2006. Check the license (Texas F6897, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Dan Frederick Madsen
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- F6897 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Regional Medical Dr, Wharton, TX 77488
- Phone
- (979) 532-1700
- Enumerated
- Apr 12, 2006
- Record last updated
- Dec 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (979) 532-6796
- Medicaid IDs
- 119168606 TX
119168603 TX - Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 790 in Texas → Look up another NPI →
Also registered at 2100 Regional Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dan Frederick Madsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F6897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average otolaryngology physician in 2024
48 Medicare Part D claims, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Dan Frederick Madsen among 790 otolaryngology physician records in Texas
Dan Frederick Madsen, MD is one of 790 otolaryngology physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 48% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Texas
There are 790 otolaryngology physician records in Texas.
All 790 in Texas → Every provider in Wharton → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- William Klinke, M.D.Katy, TX 774931366479537
- Joel Anthis, MDKaty, TX 774941518929348
- Sreekrishna Donepudi, M.D.Katy, TX 774941912122037
- David Sycamore, M.D.Katy, TX 774941700912524
- George Card, MDSugar Land, TX 774791750364253
- Oliver Chin, M.D.Sugar Land, TX 774791255793147
- David Devorkin, MDSugar Land, TX 774791477537603
- Yasmeen Jalal, M.D.Sugar Land, TX 774791376565861
Common questions
What is Dan Frederick Madsen, MD's NPI number?
Dan Frederick Madsen, MD's National Provider Identifier (NPI) is 1194789883, issued on Apr 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dan Frederick Madsen, MD located?
The NPPES record lists a practice address at 2100 Regional Medical Dr, Wharton, TX, 77488. Phone: (979) 532-1700. Providers update this record themselves, so call before visiting.
How can I verify Dan Frederick Madsen, MD's license?
NPPES lists Texas license number F6897, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dan Frederick Madsen, MD prescribe under Medicare Part D?
In 2024, Dan Frederick Madsen, MD had 48 Medicare Part D claims; the average among otolaryngology physician prescribers was 541. 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.