NPI age
12 years
Enumerated 2013-12-18
● Active
Type 1 · Individual
DR. Gregory A Nystedt, PHD
Nystedt is 1 of 585 psychologist providers in Houston and 1 of 3401 in Texas.
Primary specialty
Psychologist
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-12-18
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 3401 active psychologist providers in Texas.
NPI age
12 years
↓ 3 yr below median (15 yr)
State licenses
1 state
7% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2013 → 2026
2013-12Enumerated in NPPES
2013
2026
Where they practice
Practice location
9950 Cypresswood Dr, Suite 227
Houston, TX 770703414
Mailing address
9950 Cypresswood Dr, Suite 227
Houston, TX 770703414
Specialties
-
Psychologist PrimaryA psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 21558 | LICENSE FROMTEXAS STATE BOARD OF EXAMINERS OF PSYCHOLOGISTS |
Practice context
Part of a multi-provider practice. 13 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new psychologist providers have been added in Houston in the last 180 days.
See all →
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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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.