NPI age
19 years
Enumerated 2006-10-03
● Active
Type 1 · Individual
John M. Slopis, M.D., MPH
Slopis is 1 of 59 psychiatry & neurology providers in Houston and 1 of 244 in Texas.
Primary specialty
Psychiatry & Neurology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2010-02-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 244 active psychiatry & neurology providers in Texas.
NPI age
19 years
↑ 5 yr above median (14 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
0
51% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houston, TX 770304009
Mailing address
Po Box 4439
Houston, TX 772104439
Specialties
-
Psychiatry & Neurology PrimaryA Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 134298206 |
Practice context
Part of a multi-provider practice. 3675 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.
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