NPPES file of Aug 9, 2026

Ragean Marie Muessig, MSN, APRN, FNP-BC

Family Nurse Practitioner · Saint Louis, MO

Ragean Marie Muessig, MSN, APRN, FNP-BC is a family nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1295233633, issued on Jan 31, 2018. Check the license (Missouri 2017024381, as entered in NPPES) with the Missouri 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295233633
Name
Ragean Marie Muessig
Credential
MSN, APRN, FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
2017024381 MO
Self-reported in NPPES; status is on the state search
Practice location
615 S New Ballas RD, Saint Louis, MO 63141
Phone
(314) 680-1846
Enumerated
Jan 31, 2018
Record last updated
Jan 31, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180305000927); 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 615 S New Ballas RD

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

  1. Hajira Abbasi, DOInternal Medicine Physician1194036947
  2. Wael Abduljaber, MDInternal Medicine Physician1174101489
  3. Frederick Abele, M.D.Anesthesiology Physician1346245354
  4. Jane Abele, CRNACertified Registered Nurse Anesthetist1578564647
  5. Joy Abu-Shanab, PHARM. D, BCPSPharmacotherapy Pharmacist1568532216
  6. Yaseen Adam, MDHospitalist Physician1932278587

Verify Ragean Marie Muessig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2017024381
    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 Missouri 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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95% fewer Medicare Part D claims than the average family nurse practitioner in 2024

68 Medicare Part D claims for 51 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Ragean Muessig68
  2. Specialty average1,305

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 2 group practices

  1. Mercy Aco Clinical Services IncChesterfield, MO
  2. Mercy Hospitals East CommunitiesSaint Louis, MO

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

Ragean Marie Muessig among 5,226 family nurse practitioner records in Missouri

Ragean Marie Muessig, MSN, APRN, FNP-BC is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 53% of them.

  • NPI issued2018 · 53% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2017 · median 2018 among the 3,339 with a school on file
  • Record last updated2018 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

714 family nurse practitioner records list a practice address in Saint Louis

They are 714 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,226 family nurse practitioner records in Missouri.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sara Beck, FNPSaint Louis, MO 631411114257607
  2. Lisa Burgard, F.N.P.Saint Louis, MO 631411790723120
  3. Brenda Bush, NP-CSaint Louis, MO 631411316192610
  4. Paula Haugen, NP-CSt Louis, MO 631411154654416
  5. Lisa Kinsey, FNPSaint Louis, MO 631411760673404
  6. Jeanette Montgomery, C.N.P.Saint Louis, MO 631411811972060
  7. Sarah OsdieckSaint Louis, MO 631411316274905
  8. Rachel Phillips Barnidge, NURSE PRACTRIONERSaint Louis, MO 631411285785121

Common questions

What is Ragean Marie Muessig, MSN, APRN, FNP-BC's NPI number?

Ragean Marie Muessig, MSN, APRN, FNP-BC's National Provider Identifier (NPI) is 1295233633, issued on Jan 31, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Ragean Marie Muessig, MSN, APRN, FNP-BC located?

The NPPES record lists a practice address at 615 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 680-1846. Providers update this record themselves, so call before visiting.

How can I verify Ragean Marie Muessig, MSN, APRN, FNP-BC's license?

NPPES lists Missouri license number 2017024381, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Ragean Marie Muessig, MSN, APRN, FNP-BC prescribe under Medicare Part D?

In 2024, Ragean Marie Muessig, MSN, APRN, FNP-BC had 68 Medicare Part D claims for 51 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.