NPI age
19 years
Enumerated 2006-11-07
● Active
Type 1 · Individual
DR. Patrick Cullinan, DO
Cullinan is 1 of 35 internal medicine providers in San Antonio and 1 of 479 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-06-22
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 479 active internal medicine providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
1
In the 79% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-11Enumerated in NPPES
2006
2026
Where they practice
Practice location
4502 Medical Dr
San Antonio, TX 782294402
Mailing address
4502 Medical Dr
San Antonio, TX 782294402
Additional practice locations
1 secondary location on file with NPPES.
Location 2
8401 Datapoint Dr, Ste 865
San Antonio, TX 782295900
Specialties
-
Internal Medicine PrimaryAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
Emergency MedicineAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 307403102 | |
| 05 (TX) | 307403121 | |
| 01 (TX) | P01280063 | MEDICARE RAILROAD |
| 01 (TX) | 307403122 | CSHCN |
Practice context
Part of a multi-provider practice. 1646 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine 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.