NPI age
19 years
Enumerated 2006-08-29
● Active
Type 1 · Individual
William Blake Haren, MD
Haren is 1 of 876 psychiatry & neurology providers in Houston and 1 of 4391 in Texas.
Primary specialty
Psychiatry & Neurology
Plus 4 subspecialties
Licensed in
TX, SC, TN
3 states
Status
Active
No deactivations on record
Last NPPES update
2023-01-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 4391 active psychiatry & neurology providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
3 states
Top 87% — 12% of peers are multi-state
Subspecialties
1
In the 34% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
6550 Fannin St Ste 2509
Houston, TX 770302777
Mailing address
6550 Fannin St Ste 2509
Houston, TX 770302777
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
171 Ashley Ave
Charleston, SC 294258908
Location 3
701 Grove Rd
Greenville, SC 296054210
Location 4
2525 Desales Ave
Chattanooga, TN 374041161
Specialties
-
Psychiatry & Neurology PrimaryA Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 10 other active providers share this practice address in NPPES.
Recently enumerated nearby: 10 new psychiatry & neurology providers have been added in Houston in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 4391 Psychiatry & Neurology providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.