NPPES file of Aug 9, 2026

Marsha Renee Johnson, FNP BC

Family Nurse Practitioner · Casper, WY

Marsha Renee Johnson, FNP BC is a family nurse practitioner with a practice address in Casper, Wyoming, and NPI 1164679254, issued on Aug 20, 2008. Check the license (Wyoming 16690.0271, as entered in NPPES) with the Wyoming board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164679254
Name
Marsha Renee Johnson
Credential
FNP BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
16690.0271 WY
Self-reported in NPPES; status is on the state search
Practice location
1450 E A St, Casper, WY 82601
Phone
(307) 234-8700
Enumerated
Aug 20, 2008
Record last updated
Aug 23, 2022
Fax
(307) 234-8750
Medicare enrollment
Enrolled (PECOS I20131120000227); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1450 E A St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexandru David, M.D.Infectious Disease Physician1427202381
  2. Ghazi Ghanem, MDInfectious Disease Physician1669540423
  3. Mary Macguire, MDSurgery Physician1346423761

Verify Marsha Renee Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wyoming board licenses this profession
    Search for license 16690.0271
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wyoming license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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60% fewer Medicare Part D claims than the average family nurse practitioner in 2024

518 Medicare Part D claims for 163 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Marsha Johnson518
  2. Specialty average1,305

Most prescribed

  1. Genvoya58 claims
  2. Cephalexin57 claims
  3. Doxycycline Hyclate50 claims
  4. Amoxicillin33 claims
  5. Amoxicillin-Clavulanate Potass25 claims
  6. Biktarvy25 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): 63.4 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.

  1. Qualityout of 100 · 30% of the final score51.5
  2. Costout of 100 · 30%46.8
  3. Promoting interoperabilityout of 100 · 25%45.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Rocky Mountain Infectious DiseasesCasper, WY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

76 family nurse practitioner records list a practice address in Casper

They are 76 of the 1,924 NPPES records with a practice address in Casper, and 456 family nurse practitioner records in Wyoming.

Other family nurse practitioner records in Wyoming

  1. Julie Agee, FNPPowell, WY1821485384
  2. Nadja Aleman, APRNSheridan, WY1932090818
  3. Karen Alexander, DNPLusk, WY1316578826
  4. Misty Alexander, FNP-CGillette, WY1467336057
  5. Kelsie Anderson, DNP, FNP-BCCheyenne, WY1184266058
  6. Kyle Anderson, FNP-CRiverton, WY1316309610
  7. Allison ArmitageJackson, WY1760074322
  8. Brenda Arnett, FNP-CLovell, WY1053026476
  9. Abigail ArrossCasper, WY1033750716
  10. Anna Atkinson, APRN-CNP, FNP-BCRanchester, WY1740865930

Common questions

What is Marsha Renee Johnson, FNP BC's NPI number?

Marsha Renee Johnson, FNP BC's National Provider Identifier (NPI) is 1164679254, issued on Aug 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Marsha Renee Johnson, FNP BC located?

The NPPES record lists a practice address at 1450 E A St, Casper, WY, 82601. Phone: (307) 234-8700. Providers update this record themselves, so call before visiting.

How can I verify Marsha Renee Johnson, FNP BC's license?

NPPES lists Wyoming license number 16690.0271, as entered by the provider. Search the Wyoming board that licenses this profession; the NPPES record confirms identity only.

How much does Marsha Renee Johnson, FNP BC prescribe under Medicare Part D?

In 2024, Marsha Renee Johnson, FNP BC had 518 Medicare Part D claims for 163 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Marsha Renee Johnson, FNP BC's MIPS final score?

The 2023 MIPS final score is 63.4 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.