NPI age
9 years
Enumerated 2016-06-07
● Active
Type 1 · Individual
Guerdine J Mercy, ARNP
Mercy is 1 of 2722 nurse practitioner providers in Houston and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
FL, WA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-04-24
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
9 years
↑ 2 yr above median (7 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2016 → 2026
2016-06Enumerated in NPPES
2016
2026
Where they practice
Practice location
6565 Fannin St
Houston, TX 770302703
Mailing address
1501 Belvedere Rd Ste 500
West Palm Beach, FL 334061524
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Practice context
Part of a multi-provider practice. 591 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.