NPI age
20 years
Enumerated 2005-08-23
● Active
Type 1 · Individual
Billie Karen Martin, PA
Martin is 1 of 4 physician assistant providers in San Marcos and 1 of 2220 in Texas.
Primary specialty
Physician Assistant
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-05-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2220 active physician assistant providers in Texas.
NPI age
20 years
↑ 5 yr above median (15 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
1
In the 20% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
1330 Wonder World Dr, Ste B108
San Marcos, TX 786667566
Mailing address
Austin Heart Pllc, Po Box 402669
Atlanta, GA 303842669
Specialties
-
Physician Assistant PrimaryDefinition to come...
-
Internal MedicineAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 1961021-01 |
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
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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.