Are you Michael S. Obrien, ACNP-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 6550 Fannin St, Suite 1101, Houston, TX 77030
About Michael Obrien
Michael S. Obrien, ACNP-BC is a nurse practitioner practicing in Houston, TX. Michael is also listed as specializing in nurse practitioner — acute care. Medicare claims data shows Michael provided 39 services to 38 patients. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. This provider record is associated with NPI 1376861971.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (713) 441-0005
- Email not available
Practice Locations
6550 FANNIN ST SUITE 1101
Houston, TX 77030
Procedures Most Often Billed to Medicare
39 services · 38 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
24 | Less often than most peers in Nurse Practitioner |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
15 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Houston 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Michael S. Obrien specialize in?
Michael S. Obrien is a nurse practitioner in Houston, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Michael S. Obrien located?
Michael S. Obrien is listed at 6550 Fannin St Suite 1101, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Michael S. Obrien's phone number?
The number on file is (713) 441-0005. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Michael S. Obrien?
Michael S. Obrien's National Provider Identifier is 1376861971. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Michael S. Obrien train?
Michael S. Obrien attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Michael S. Obrien have?
Michael S. Obrien has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Michael S. Obrien do most often?
According to Medicare billing data, Michael S. Obrien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Michael S. Obrien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Michael S. Obrien. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.