NPI age
16 years
Enumerated 2010-01-05
● Active
Type 1 · Individual
Mary Horner, MD
Horner is 1 of 142 dermatology providers in Dallas and 1 of 1632 in Texas.
Primary specialty
Dermatology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-07-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1632 active dermatology providers in Texas.
NPI age
16 years
≈ at median (16 yr)
State licenses
1 state
8% of peers hold multiple states
Subspecialties
1
In the 29% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-01Enumerated in NPPES
2010
2026
Where they practice
Practice location
3900 Junius St Ste 145
Dallas, TX 752461616
Mailing address
5340 Elvas Ave Ste 600
Sacramento, CA 958192385
Specialties
-
Dermatology PrimaryA dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 6 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.