NPI age
17 years
Enumerated 2009-04-30
● Active
Type 1 · Individual
Shannon McAllister Gregorek, NP-C
Gregorek is 1 of 2722 nurse practitioner providers in Houston and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-05-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
17 years
↑ 10 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2009 → 2026
2009-04Enumerated in NPPES
2009
2026
Where they practice
Practice location
9539 Huffmeister Rd
Houston, TX 770952856
Mailing address
9539 Huffmeister Rd
Houston, TX 770952856
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Practice context
Part of a multi-provider practice. 12 other active providers share this practice address in NPPES.
Recently enumerated nearby: 56 new nurse practitioner providers have been added in Houston in the last 180 days.
See all →
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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.