NPI age
16 years
Enumerated 2009-07-27
● Active
Type 1 · Individual
DR. Stephen D.C. Mac, M.D.
Mac is 1 of 86 pediatrics providers in Houston and 1 of 223 in Texas.
Primary specialty
Pediatrics
Plus 3 subspecialties
Licensed in
TX, CA, LA
3 states
Status
Active
No deactivations on record
Last NPPES update
2024-07-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 223 active pediatrics providers in Texas.
NPI age
16 years
≈ at median (16 yr)
State licenses
3 states
Top 60% — 39% of peers are multi-state
Subspecialties
1
In the 75% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-07Enumerated in NPPES
2009
2026
Where they practice
Practice location
18200 Katy Fwy
Houston, TX 770941285
Mailing address
200 Henry Clay Ave
New Orleans, LA 701185720
Additional practice locations
4 secondary locations on file with NPPES.
Location 2
200 Henry Clay Ave
New Orleans, LA 701185720
Location 3
25500 Medical Center Dr
Murrieta, CA 925625965
Location 4
3020 Childrens Way
San Diego, CA 921234223
Location 5
4015 22nd Pl
Lubbock, TX 794101119
Specialties
-
Pediatrics PrimaryA pediatrician who has special qualifications to manage emergencies in infants and children.
-
Emergency MedicinePediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
Practice context
Part of a multi-provider practice. 94 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 223 Pediatrics providers in Texas?
Provyx verifies the list to your scope. Business emails and direct lines are looked up at delivery, validated, and not stored.
Request a quote →How to verify this provider
- 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.