NPI age
8 years
Enumerated 2017-09-18
● Active
Type 1 · Individual
Heather G Martelon, FNP-C
Martelon is 1 of 1395 nurse practitioner providers in San Antonio and 1 of 22123 in Texas.
Primary specialty
Nurse Practitioner
Plus 1 subspecialty
Licensed in
TX, IL
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-03-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 22123 active nurse practitioner providers in Texas.
NPI age
8 years
≈ at median (7 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
1
In the 23% of peers with subspecialties
NPI lifetime · 2017 → 2026
2017-09Enumerated in NPPES
2017
2026
Where they practice
Practice location
120 E Sonterra Blvd
San Antonio, TX 782583982
Mailing address
120 E Sonterra Blvd
San Antonio, TX 782583982
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
-
Nurse Practitioner(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum...
Practice context
Part of a multi-provider practice. 13 other active providers share this practice address in NPPES.
Recently enumerated nearby: 31 new nurse practitioner providers have been added in San Antonio 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.