Michael Shawn Obrien, ACNP-BC
Acute Care Nurse Practitioner · Houston, TX
Michael Shawn Obrien, ACNP-BC is an acute care nurse practitioner with a practice address in Houston, Texas, and NPI 1376861971, issued on May 7, 2010. Check the license (Texas 708016, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Shawn Obrien
- Credential
- ACNP-BC
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 708016 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6550 Fannin St, Houston, TX 77030
- Phone
- (713) 441-0005
- Enumerated
- May 7, 2010
- Record last updated
- Sep 19, 2024
- Medicaid IDs
- 220495001 TX
220495002 TX - Medicare enrollment
- Enrolled (PECOS I20110125000427); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 3,239 in Texas → Look up another NPI →
Also registered at 6550 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Shawn Obrien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 708016Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
178 Medicare Part D claims for 116 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Ibuprofen31 claims
- Acetaminophen-Codeine15 claims
- Amoxicillin-Clavulanate Potass15 claims
- Cefpodoxime Proxetil14 claims
- Tramadol Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Memorial Hermann Hospital Based Physician GroupHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Shawn Obrien among 3,239 acute care nurse practitioner records in Texas
Michael Shawn Obrien, ACNP-BC is one of 3,239 acute care nurse practitioner records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 10% of them.
- NPI issued2010 · 10% of these records are older, 88% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2009 · median 2019 among the 2,120 with a school on file
- Record last updated2024 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
712 acute care nurse practitioner records list a practice address in Houston
They are 712 of the 61,221 NPPES records with a practice address in Houston, and 3,239 acute care nurse practitioner records in Texas.
All 3,239 in Texas → Every provider in Houston → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
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- Prashanth Anumandla, ANP-BC, RNHouston, TX 770301831208966
- Patricia Brenza, N.P.Houston, TX 770301598780173
- Mary Joy Daniel, NPHouston, TX 770301124064100
- Thomas Derksen, NPHouston, TX 770301730133026
- Sarah Homer, ACNPHouston, TX 770301205851896
- Ambili John, A.C.N.P.Houston, TX 770301396854568
- Wendi Jones, MSN, ACNPHouston, TX 770301528078482
Common questions
What is Michael Shawn Obrien, ACNP-BC's NPI number?
Michael Shawn Obrien, ACNP-BC's National Provider Identifier (NPI) is 1376861971, issued on May 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Michael Shawn Obrien, ACNP-BC located?
The NPPES record lists a practice address at 6550 Fannin St, Houston, TX, 77030. Phone: (713) 441-0005. Providers update this record themselves, so call before visiting.
How can I verify Michael Shawn Obrien, ACNP-BC's license?
NPPES lists Texas license number 708016, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Shawn Obrien, ACNP-BC prescribe under Medicare Part D?
In 2024, Michael Shawn Obrien, ACNP-BC had 178 Medicare Part D claims for 116 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.