Physician Profile
Madeleine Gantz, MD
Unclaimed ProfileAbout Dr. Gantz
Based in Houston, TX, Madeleine Gantz, MD is listed in the NPI registry under dermatology. Madeleine graduated from Drexel University College of Medicine in 2017. According to Medicare claims data, Madeleine cared for 149 Medicare patients across 172 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, biopsy of related skin growth, first growth, and destruction of precancer skin growth, 1 growth.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 850-0240
- Email not available
Practice Locations
1900 SAINT JAMES PL STE 600
Houston, TX 77056
13830 Sawyer Ranch Rd Ste 304
Dripping Springs, TX 78620
3705 Medical Pkwy Ste 340
Austin, TX 78705
1601 E Pflugerville Pkwy Ste 1102
Pflugerville, TX 78660
5145 Fm 620 N Ste B-110
Austin, TX 78732
12319 N Mopac Expy Ste 100
Austin, TX 78758
3944 S Fm 620 Bldg 6, Ste 201
Bee Cave, TX 78738
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Procedures & services
Most searched procedures
Diagnostic procedures
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
Procedures Most Often Billed to Medicare
172 services · 149 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of related skin growth, first growth | Procedure | 11102 |
35 | Less often than most peers in Dermatology |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
26 | Less often than most peers in Dermatology |
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
25 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
47 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
23 | Less often than most peers in Dermatology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
16 | Less often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other dermatologists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in Houston 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Drexel University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Drexel University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of related skin growth, first growth 8
Providers in TX who bill this service to Medicare most often.
Common questions
What is Dr. Gantz's specialty?
Dr. Gantz is a dermatologist (skin doctor) in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
Where can I find Dr. Gantz?
Dr. Gantz is listed at 1900 Saint James Pl Ste 600, Houston, TX 77056. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Gantz?
The number on file is (713) 850-0240. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Gantz's NPI number?
Dr. Gantz's National Provider Identifier is 1821526674. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Gantz's medical education?
Dr. Gantz attended Drexel University College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Gantz been practicing?
Dr. Gantz has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Gantz known for?
According to Medicare billing data, Dr. Gantz performs procedures including biopsy of related skin growth, first growth, destruction of precancer skin growth, 1 growth and destruction of skin growth, 1-14 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Gantz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gantz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.