NPI age
14 years
Enumerated 2011-06-28
● Active
Type 1 · Individual
DR. Katherine Anne Willborn, MD
Willborn is 1 of 262 hospitalist providers in San Antonio and 1 of 1835 in Texas.
Primary specialty
Hospitalist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2015-02-12
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1835 active hospitalist providers in Texas.
NPI age
14 years
↑ 2 yr above median (12 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
1
In the 78% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-06Enumerated in NPPES
2011
2026
Where they practice
Practice location
4502 Medical Dr
San Antonio, TX 782294402
Mailing address
7703 Floyd Curl Dr
San Antonio, TX 782293901
Specialties
-
Hospitalist PrimaryHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 285609803 (MDACC) | |
| 05 (TX) | 285609804 | |
| 01 (TX) | 8CZ271 | BCBS (MDACC) |
Practice context
Part of a multi-provider practice. 1646 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new hospitalist provider has been added in San Antonio in the last 180 days.
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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.