Madeleine Gantz, MD
Dermatology · Houston, TX
At a glance
1900 Saint James Pl Ste 600, Houston, TX 77056-4136
Published activity: Removal of skin lesions · Skin biopsy. View counts and coverage
NPPES record updated Jul 25, 2022. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1900 Saint James Pl Ste 600Houston, TX 77056-4136
Additional reported practice locations
12319 N Mopac Expy Ste 100Austin, TX 787582486
Phone: 5128373376 13830 Sawyer Ranch Rd Ste 304
Dripping Springs, TX 786205514
Phone: 5128290009 1601 E Pflugerville Pkwy Ste 1102
Pflugerville, TX 786606148
Phone: 5122523700 3944 S Fm 620
Bldg 6, Ste 201
Bee Cave, TX 78738
Phone: 5123668568 3705 Medical Pkwy Ste 340
Austin, TX 787051023
Phone: 5124543781 5145 Fm 620 N Ste B-110
Austin, TX 787321852
Phone: 5122660007
Education & affiliations
- Medical / professional school
- Drexel University College Of Medicine
- Graduation year
- 2017
- CMS specialties
- Dermatology
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Removal of skin lesions | 39 |
| Skin biopsy | 33 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $776.11 |
Reporting companies
| Company | Amount |
|---|---|
| REVANCE THERAPEUTICS, INC. | $368.40 |
| ABBVIE INC. | $198.81 |
| GALDERMA LABORATORIES, L.P. | $69.32 |
| INCYTE CORPORATION | $37.66 |
| LEO PHARMA INC. | $22.85 |
| ORTHO DERMATOLOGICS, A DIVISION OF BAUSCH HEALTH US, LLC | $22.72 |
| MAYNE PHARMA COMMERCIAL LLC | $21.89 |
| SOLTA MEDICAL, A DIVISION OF BAUSCH HEALTH US, LLC | $17.78 |
| Other reporting companies | $16.68 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Dermatology
- Taxonomy code
- 207N00000X
- Enumeration date
- May 24, 2017
- Record updated
- Jul 25, 2022
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207N00000X · Primary
License reported: T0487 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1900 Saint James Pl Ste 600Houston, TX 77056-4136
- Phone
- (713) 850-0240
Mailing address
1601 E PFLUGERVILLE PKWY STE 1102PFLUGERVILLE, TX 786606148
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue