NPI age
19 years
Enumerated 2006-07-12
● Active
Type 1 · Individual
Robert P. Perrillo, M.D.
Perrillo is 1 of 179 internal medicine providers in Dallas and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2011-03-31
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
2
In the 35% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
3410 Worth Street, Suite 860
Dallas, TX 75246
Mailing address
3410 Worth Street, Suite 860
Dallas, TX 75246
Specialties
-
Internal Medicine PrimaryAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
-
Internal MedicineThe discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who...
-
Internal MedicineAn internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 185732801 | |
| 05 (TX) | 185732802 | |
| 05 (TX) | 185732803 | |
| 01 (TX) | 8V2359 | BCBSTX |
Practice context
Part of a multi-provider practice. 3 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new internal medicine providers have been added in Dallas 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.