NPI age
20 years
Enumerated 2005-12-20
● Active
Type 1 · Individual
DR. Robert D Garrison, M.D.
Garrison is 1 of 15 emergency medicine providers in Lewisville and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2013-04-24
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6039 active emergency medicine providers in Texas.
NPI age
20 years
↑ 5 yr above median (15 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
0
43% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-12Enumerated in NPPES
2005
2026
Where they practice
Practice location
500 W Main St
Lewisville, TX 750573641
Mailing address
Po Box 201606
Dallas, TX 753201606
Specialties
-
Emergency Medicine PrimaryAn 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) | 160817605 | |
| 01 (TX) | 8J2006 | BCBS |
| 05 (TX) | 160817603 | |
| 01 (TX) | 0037PJ | BCBS |
| 05 (TX) | 160817606 | |
| 01 (TX) | 8K9268 | BCBS |
| 01 (TX) | P00323512 | MEDICARE RAILROAD |
Practice context
Part of a multi-provider practice. 59 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.