Mark W. Dassel, M.D.
Gynecology Physician · Louisville, KY
Mark W. Dassel, M.D. is a gynecology physician with a practice address in Louisville, Kentucky, and NPI 1538333794, issued on Apr 18, 2008. Check the license (Kentucky TP743, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Mark W. Dassel
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License numbers
- TP743 KY
81706 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 401 E Chestnut St, Louisville, KY 40202
- Phone
- (502) 271-5999
- Enumerated
- Apr 18, 2008
- Record last updated
- Jun 10, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (502) 271-5994
- Medicare enrollment
- Enrolled (PECOS I20130925000973); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2007
- Entity
- Type 1 · individual
Also registered at 401 E Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark W. Dassel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license TP743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gynecology physician in 2024
30 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $194.10
6 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 1,398 providers of this specialty with any payment received $2,469.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ihc Health Services IncSalt Lake City, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gynecology Physician providers in Kentucky
There are 57 gynecology physician records in Kentucky.
Other gynecology physician records in Kentucky
- Sylvia Beimfohr, MDLouisville, KY1174521157
- Thomas Benninger, M.D.Louisville, KY1619979382
- Kiran Bhatia, M.D.Florence, KY1154366284
- Jack Blackstone, Jr., M.D.Owensboro, KY1912994583
- Jo Ann Bolli, M.D.Clinton, KY1134198526
- Rebecca Booth, MDLouisville, KY1285729889
- Johnny Bryant, MDPaducah, KY1588626774
- Jeremy Clark, M.D.Louisville, KY1588717417
- Alexandria Connor, MDLouisville, KY1144753997
- Waller Dalton, MDLexington, KY1407872559
Common questions
What is Mark W. Dassel, M.D.'s NPI number?
Mark W. Dassel, M.D.'s National Provider Identifier (NPI) is 1538333794, issued on Apr 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark W. Dassel, M.D. located?
The NPPES record lists a practice address at 401 E Chestnut St, Louisville, KY, 40202. Phone: (502) 271-5999. Providers update this record themselves, so call before visiting.
How can I verify Mark W. Dassel, M.D.'s license?
NPPES lists Kentucky license number TP743, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark W. Dassel, M.D. prescribe under Medicare Part D?
In 2024, Mark W. Dassel, M.D. had 30 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.