NPPES file of Aug 9, 2026

Robert John Carroll, M.D.

Hospitalist Physician · Marquette, MI

Robert John Carroll, M.D. is a hospitalist physician with a practice address in Marquette, Michigan, and NPI 1013919380, issued on Jun 1, 2005. Check the license (Michigan 4301102218, 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
1013919380
Name
Robert John Carroll
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
4301102218 MI
026319 LA
Self-reported in NPPES; status is on the state search
Practice location
850 W Baraga Ave, Marquette, MI 49855
Phone
(906) 449-3000
Enumerated
Jun 1, 2005
Record last updated
Jul 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
1574996 LA
Medicare enrollment
Enrolled (PECOS I20130730000048); accepts Medicare assignment
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 850 W Baraga Ave

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

  1. Riley Andridge, DNPCertified Registered Nurse Anesthetist1811639610
  2. Sarah Bannan, NP-CFamily Nurse Practitioner1699306225
  3. Amanda Benson, MDCritical Care Medicine (Anesthesiology) Physician1275808313
  4. Jonathan Bjork, M.D.Hospitalist Physician1316391873
  5. Rachel Bonsall, FNP-BCFamily Nurse Practitioner1073148409
  6. Madalyne Brazeau, PAMedical Physician Assistant1336808948

Verify Robert John Carroll 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 4301102218
    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.

35% fewer Medicare Part D claims than the average hospitalist physician in 2024

341 Medicare Part D claims for 164 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Robert Carroll341
  2. Specialty average521

Most prescribed

  1. Amoxicillin-Clavulanate Potass40 claims
  2. Prednisone36 claims
  3. Pantoprazole Sodium17 claims
  4. Metoprolol Tartrate15 claims
  5. Azithromycin13 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: $33.07

1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. 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. Robert Carroll$33.07
  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.

Bills Medicare through one group practice

  1. Sound Inpatient Physicians-Michigan PLLCEscanaba, MI

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

Robert John Carroll among 272 hospitalist physician records in Michigan

Robert John Carroll, M.D. is one of 272 hospitalist physician records with a practice address in Michigan. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated1998 · median 2009 among the 229 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 208M00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Michigan

There are 272 hospitalist physician records in Michigan.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Jonathan Bjork, M.D.Marquette, MI 498551316391873
  2. Adam Butcher, MDMarquette, MI 498551225488992
  3. Amardeep Dhugga, MDMarquette, MI 498551861754467
  4. Abigail Prentice, MDMarquette, MI 498551699270280
  5. Eric Basmaji, M.D.Petoskey, MI 497701497745061
  6. Jessica Machue, MDGrayling, MI 497381255750550
  7. Allan Frank, M.D.Alpena, MI 497071578727335
  8. Emma Dunn, MDTraverse City, MI 496841912536566

Common questions

What is Robert John Carroll, M.D.'s NPI number?

Robert John Carroll, M.D.'s National Provider Identifier (NPI) is 1013919380, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert John Carroll, M.D. located?

The NPPES record lists a practice address at 850 W Baraga Ave, Marquette, MI, 49855. Phone: (906) 449-3000. Providers update this record themselves, so call before visiting.

How can I verify Robert John Carroll, M.D.'s license?

NPPES lists Michigan license number 4301102218, 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 Robert John Carroll, M.D. prescribe under Medicare Part D?

In 2024, Robert John Carroll, M.D. had 341 Medicare Part D claims for 164 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.