NPPES file of Aug 9, 2026

Maryellen Walter Rosel, D.O.

Hospitalist Physician · Muskegon, MI

Maryellen Walter Rosel, D.O. is a hospitalist physician with a practice address in Muskegon, Michigan, and NPI 1821044280, issued on May 26, 2006. Check the license (Michigan 5101015664, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1821044280
Name
Maryellen Walter Rosel
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
5101015664 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Sherman Blvd, Muskegon, MI 49444
Phone
(231) 672-3883
Enumerated
May 26, 2006
Record last updated
Apr 23, 2022
Fax
(231) 672-3973
Medicaid ID
4857730-11 MI
Medicare enrollment
Enrolled (PECOS I20060612000129); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Osteopathic Medicine, 2003
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.
Download card Updates feed

Also registered at 1500 E Sherman Blvd

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

  1. Leslie Adkins, PA-CPhysician Assistant1457579849
  2. Irteza Afzal, MDStudent in an Organized Health Care Education/Training Program1558105296
  3. Theourrn Amalathasan, MDStudent in an Organized Health Care Education/Training Program1689366767
  4. Robin Anderson, NPNurse Practitioner1326188004
  5. Nathan Arnold, DOEmergency Medicine Physician1598784167
  6. Kaitlyn Averill, RN, AGCNS-BCRegistered Nurse1891534392

Verify Maryellen Walter Rosel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 5101015664
    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
Open the Michigan 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

68% fewer Medicare Part D claims than the average hospitalist physician in 2024

169 Medicare Part D claims for 80 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Maryellen Rosel169
  2. Specialty average521

Most prescribed

  1. Carvedilol11 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.

Industry payments in 2024: $149.35

7 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maryellen Rosel$149.35
  2. Specialty average$494.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Trinity Health Grand Haven HospitalGrand Haven, MI · Acute Care Hospitals4 of 5 stars
  2. Mercy Specialty ServicesMuskegon, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

33 hospitalist physician records list a practice address in Muskegon

They are 33 of the 2,646 NPPES records with a practice address in Muskegon, and 272 hospitalist physician records in Michigan.

Other hospitalist physician records in Michigan

  1. Imran Abbasi, D.O.Warren, MI1427409887
  2. Joseph Abbo, MDYpsilanti, MI1982136503
  3. Osama Abid, M.D.Port Huron, MI1699161877
  4. Tahani Abugoukh, MDWarren, MI1427743590
  5. Ruhy Afza, M.DCanton, MI1114157963
  6. Harshita Agrawal, MDKalamazoo, MI1538853064
  7. Shawkat Ahmed, D.O.Shelby Township, MI1558657551
  8. Abdul Aleem, M.DSaginaw, MI1922551019
  9. Abdo Alward, M.DSaginaw, MI1295772150
  10. Stephen Antonucci, M.D.Plymouth, MI1124331426

Common questions

What is Maryellen Walter Rosel, D.O.'s NPI number?

Maryellen Walter Rosel, D.O.'s National Provider Identifier (NPI) is 1821044280, issued on May 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maryellen Walter Rosel, D.O. located?

The NPPES record lists a practice address at 1500 E Sherman Blvd, Muskegon, MI, 49444. Phone: (231) 672-3883. Providers update this record themselves, so call before visiting.

How can I verify Maryellen Walter Rosel, D.O.'s license?

NPPES lists Michigan license number 5101015664, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Maryellen Walter Rosel, D.O. prescribe under Medicare Part D?

In 2024, Maryellen Walter Rosel, D.O. had 169 Medicare Part D claims for 80 beneficiaries; the average among hospitalist physician prescribers was 521. 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.