Marianne Roxie Johnson
Physician Assistant · Austin, TX
Marianne Roxie Johnson is a physician assistant with a practice address in Austin, Texas, and NPI 1053981365, issued on Jun 29, 2021. Check the license (Texas PA14274, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marianne Roxie Johnson
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA14274 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4310 James Casey St Ste 4A, Austin, TX 78745
- Phone
- (512) 448-4588
- Enumerated
- Jun 29, 2021
- Record last updated
- Sep 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 445-4511
- Medicare enrollment
- Enrolled (PECOS I20210720000053); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 10,999 in Texas → Look up another NPI →
Also registered at 4310 James Casey St Ste 4A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marianne Roxie Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license PA14274Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average physician assistant in 2024
668 Medicare Part D claims for 302 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Omeprazole146 claims
- Pantoprazole Sodium115 claims
- Sod Sulf-Potass Sulf-Mag Sulf67 claims
- Famotidine64 claims
- Dicyclomine Hcl43 claims
- Ondansetron Odt21 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): 79.4 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: $1,772.03
93 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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.
Bills Medicare through one group practice
- Austin Gastroenterology PLLCBastrop, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne Roxie Johnson among 10,999 physician assistant records in Texas
Marianne Roxie Johnson is one of 10,999 physician assistant records with a practice address in Texas. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 69% of them.
- NPI issued2021 · 69% of these records are older, 26% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2020 · median 2017 among the 6,096 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
607 physician assistant records list a practice address in Austin
They are 607 of the 26,585 NPPES records with a practice address in Austin, and 10,999 physician assistant records in Texas.
All 10,999 in Texas → Every provider in Austin → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Angela Ash, PA-CAustin, TX 787451770649139
- Krista Engler, PAAustin, TX 787451144260555
- Ying Frappolli, P.A.-C.Austin, TX 787451093963928
- Katie Good, PA-CAustin, TX 787451093966178
- Michelle Grimes, PA-CAustin, TX 787451578881082
- Kelli Hancock, PA-CAustin, TX 787451518246198
- Emily Harding, EMILY HARDING, PA-CAustin, TX 787451124331624
- Cheryl Johnston, PAAustin, TX 787451700992435
Common questions
What is Marianne Roxie Johnson's NPI number?
Marianne Roxie Johnson's National Provider Identifier (NPI) is 1053981365, issued on Jun 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Roxie Johnson located?
The NPPES record lists a practice address at 4310 James Casey St Ste 4A, Austin, TX, 78745. Phone: (512) 448-4588. Providers update this record themselves, so call before visiting.
How can I verify Marianne Roxie Johnson's license?
NPPES lists Texas license number PA14274, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Marianne Roxie Johnson prescribe under Medicare Part D?
In 2024, Marianne Roxie Johnson had 668 Medicare Part D claims for 302 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Marianne Roxie Johnson's MIPS final score?
The 2023 MIPS final score is 79.4 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.