NPI age
19 years
Enumerated 2006-09-08
● Active
Type 1 · Individual
MS. Maria Castro Calzada, PA-C
Calzada is 1 of 262 physician assistant providers in Houston and 1 of 2220 in Texas.
Primary specialty
Physician Assistant
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-07-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2220 active physician assistant providers in Texas.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
2
In the 20% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-09Enumerated in NPPES
2006
2026
Where they practice
Practice location
7777 Southwest Fwy, Suite 1050
Houston, TX 770741802
Mailing address
7777 Southwest Fwy, Suite 610
Houston, TX 770741802
Specialties
-
Physician Assistant PrimaryDefinition to come...
-
Physician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally...
-
Physician AssistantDefinition to come...
Practice context
Part of a multi-provider practice. 86 other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new physician assistant providers have been added in Houston in the last 180 days.
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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.