Mark Dassel, M.D.
NPI 1538333794 · Gynecology Physician · Louisville, KY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Dassel, M.D. is a Gynecology Physician provider in Louisville, KY (NPI 1538333794).
Provider details
- NPI number
- 1538333794
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 81706 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$194 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-18
- Last updated
- 2011-06-10
Frequently asked questions
- What is Mark Dassel's NPI number?
- Mark Dassel's National Provider Identifier (NPI) is 1538333794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dassel's specialty?
- Mark Dassel is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Dassel located?
- Mark Dassel's practice location on file with NPPES is 401 E Chestnut St, Louisville, KY 40202-5700.
- What is Mark Dassel's phone number?
- The practice phone number listed in the NPPES registry for Mark Dassel is (502) 271-5999.
- Does Mark Dassel accept Medicare?
- Mark Dassel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Dassel's NPI active?
- Yes — Mark Dassel's NPI (1538333794) is active in the NPPES registry as of the last update on 2011-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.