NPI age
9 years
Enumerated 2016-06-17
● Active
Type 1 · Individual
Maria Virginia Diaz, M.D
Diaz is 1 of 373 psychiatry & neurology providers in Houston and 1 of 1903 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 1 subspecialty
Licensed in
PA, FL
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-05-26
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1903 active psychiatry & neurology providers in Texas.
NPI age
9 years
↓ 8 yr below median (17 yr)
State licenses
2 states
Top 85% — 14% of peers are multi-state
Subspecialties
1
In the 34% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-06Enumerated in NPPES
2016
2026
Where they practice
Practice location
6431 Fannin St Ste Jjl S-85
Houston, TX 770301501
Mailing address
6431 Fannin St Ste Jjl S-85
Houston, TX 770301501
Specialties
-
Psychiatry & Neurology PrimaryA Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
-
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
Solo or small practice. No other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new psychiatry & neurology 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.