Marcia Lea O'Brien, MSN, APRN, NP-C
Family Nurse Practitioner · Austin, TX
Marcia Lea O'Brien, MSN, APRN, NP-C is a family nurse practitioner with a practice address in Austin, Texas, and NPI 1053853176, issued on Nov 7, 2016. Check the license (Texas AP131678, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marcia Lea O'Brien
- Credential
- MSN, APRN, NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP131678 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1301 W 38TH St Ste 200, Austin, TX 78705
- Phone
- (512) 477-5905
- Enumerated
- Nov 7, 2016
- Record last updated
- Oct 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170315000442); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 1301 W 38TH St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marcia Lea O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP131678Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family nurse practitioner in 2024
1,435 Medicare Part D claims for 464 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl192 claims
- Gemtesa126 claims
- Cephalexin120 claims
- Myrbetriq112 claims
- Nitrofurantoin Mono-Macro95 claims
- Amoxicillin-Clavulanate Potass80 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 89.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $494.89
24 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Marcia Lea O'Brien among 21,242 family nurse practitioner records in Texas
Marcia Lea O'Brien, MSN, APRN, NP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 31% of them.
- NPI issued2016 · 31% of these records are older, 64% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2016 · median 2018 among the 11,286 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
876 family nurse practitioner records list a practice address in Austin
They are 876 of the 26,585 NPPES records with a practice address in Austin, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Austin → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Suzanne Albert, FNP-CAustin, TX 787051104994607
- Catherine Anderson, FNPAustin, TX 787051952450207
- Carol Andrus, FNPAustin, TX 787051700915501
- Shanna Barry, N.P.Austin, TX 787051245241066
- Mary Brown, CFNPAustin, TX 787051912988494
- Julie Elam, FNP-BC, MSN, RNAustin, TX 787051528174828
- Ana Henriques, F.N.PAustin, TX 787051891860367
- Mary Jones, R.N., M.S.N., F.N.P.Austin, TX 787051104961804
Common questions
What is Marcia Lea O'Brien, MSN, APRN, NP-C's NPI number?
Marcia Lea O'Brien, MSN, APRN, NP-C's National Provider Identifier (NPI) is 1053853176, issued on Nov 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marcia Lea O'Brien, MSN, APRN, NP-C located?
The NPPES record lists a practice address at 1301 W 38TH St Ste 200, Austin, TX, 78705. Phone: (512) 477-5905. Providers update this record themselves, so call before visiting.
How can I verify Marcia Lea O'Brien, MSN, APRN, NP-C's license?
NPPES lists Texas license number AP131678, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Marcia Lea O'Brien, MSN, APRN, NP-C prescribe under Medicare Part D?
In 2024, Marcia Lea O'Brien, MSN, APRN, NP-C had 1,435 Medicare Part D claims for 464 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Marcia Lea O'Brien, MSN, APRN, NP-C's MIPS final score?
The 2023 MIPS final score is 89.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.