NPI age
17 years
Enumerated 2009-03-31
● Active
Type 1 · Individual
Douglass John Wacker, C.P.O.
Wacker is 1 of 44 prosthetist providers in Houston and 1 of 271 in Texas.
Primary specialty
Prosthetist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-11-30
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 271 active prosthetist providers in Texas.
NPI age
17 years
↑ 6 yr above median (11 yr)
State licenses
1 state
0% of peers hold multiple states
Subspecialties
1
In the 55% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-03Enumerated in NPPES
2009
2026
Where they practice
Practice location
3900 La Branch St
Houston, TX 770044046
Mailing address
3900 La Branch St
Houston, TX 770044046
Specialties
-
Prosthetist PrimaryA health care professional who is specifically educated and trained to manage comprehensive prosthetic patient care for individuals who have sustained complete or partial limb loss or absence. Prosthetists assess specific patient needs,...
-
OrthotistA health care professional who is specifically educated and trained to manage comprehensive orthotic patient care, including musculoskeletal and neuromuscular anomalies resulting from injuries or disease processes involving the lower...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | PO0012 |
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new prosthetist provider has been added in Houston in the last 180 days.
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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.