NPI age
9 years
Enumerated 2017-02-03
● Active
Type 1 · Individual
Gregory Testamarck, LSA
Testamarck is 1 of 297 specialist/technologist, other providers in Houston and 1 of 1407 in Texas.
Primary specialty
Specialist/Technologist, Other
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1407 active specialist/technologist, other providers in Texas.
NPI age
9 years
≈ at median (9 yr)
State licenses
1 state
1% of peers hold multiple states
Subspecialties
1
In the 19% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-02Enumerated in NPPES
2017
2026
Where they practice
Practice location
2200 Aldine Mail Route Rd Ste 104
Houston, TX 770395532
Mailing address
4411 Charriton Dr
Houston, TX 770394709
Specialties
-
Specialist/Technologist, Other PrimaryA surgical assistant is a skilled practitioner who has undergone formalized education and training as a surgical assistant. The surgical assistant performs surgical functions that include, but are not limited to: retracting,...
-
Registered Nurse(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | SA00721 | TEXAS MEDICAL BOARD |
| 01 (TX) | 8QF483 | BCBS - UNIVERSAL SURGICAL PARTNERS |
| 01 (TX) | 8PX957 | BCBS- US MSO |
| 01 (TX) | 8QA718 | BCBS - BLUE STAR SURGICAL |
| 01 (TX) | 8QC669 | BCBS - XCITE SURGICAL ASSISTANTS |
| 01 (TX) | 8QC851 | BCBS - UNIVERSAL SURGICAL ASSISTANTS |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 6 new specialist/technologist, other 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.