NPI age
16 years
Enumerated 2010-05-07
● Active
Type 1 · Individual
Michael Shawn Obrien, ACNP-BC
Obrien is 1 of 694 nurse practitioner providers in Houston and 1 of 3226 in Texas.
Primary specialty
Nurse Practitioner
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-09-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 3226 active nurse practitioner providers in Texas.
NPI age
16 years
↑ 10 yr above median (6 yr)
State licenses
1 state
6% of peers hold multiple states
Subspecialties
0
30% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-05Enumerated in NPPES
2010
2026
Where they practice
Practice location
6550 Fannin St, Suite 1101
Houston, TX 770302717
Mailing address
6550 Fannin St, Suite 1101
Houston, TX 770302717
Specialties
-
Nurse Practitioner PrimaryDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 1376861971 | BLUE CROSS BLUE SHIELD |
| 01 (TX) | P01086530 | RR MEDICARE |
| 05 (TX) | 220495001 | |
| 05 (TX) | 220495002 |
Practice context
Part of a multi-provider practice. 376 other active providers share this practice address in NPPES.
Recently enumerated nearby: 14 new nurse practitioner providers have been added in Houston in the last 180 days.
See all →
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Request a quote →How to verify this provider
- 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.