NPPES file of Aug 9, 2026

Earl H. Rudolph, D.O.

Internal Medicine Physician · Marion, IL

Earl H. Rudolph, D.O. is an internal medicine physician with a practice address in Marion, Illinois, and NPI 1487851481, issued on Jul 2, 2007. Check the license (Illinois 036.134994, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1487851481
Name
Earl H. Rudolph
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036.134994 IL
Self-reported in NPPES; status is on the state search
Practice location
3333 W Deyoung St, Marion, IL 62959
Phone
(618) 998-7017
Enumerated
Jul 2, 2007
Record last updated
May 24, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(618) 998-7449
Medicare enrollment
Enrolled (PECOS I20150113002515); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2006
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 3333 W Deyoung St

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

  1. Ghanem Abusbeih, MDEmergency Medicine Physician1528026705
  2. Zaid Al-Dahabrah, MDNephrology Physician1174194039
  3. Russell Arendt, CRNACertified Registered Nurse Anesthetist1538774898
  4. Kendall Barnes, PA-CPhysician Assistant1306460902
  5. Katie Barnett, M.D.Anesthesiology Physician1043620248
  6. Amy Blandford, APRNFamily Nurse Practitioner1598240145

Verify Earl H. Rudolph in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.134994
    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 Illinois 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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

33 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Earl Rudolph33
  2. Specialty average3,176

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 one group practice

  1. Rml Health Providers Limited PartnershipHinsdale, IL

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

Earl H. Rudolph among 7,238 internal medicine physician records in Illinois

Earl H. Rudolph, D.O. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.

  • NPI issued2007 · 39% of these records are older, 55% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2006 · median 2003 among the 3,580 with a school on file
  • Record last updated2019 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 internal medicine physician records list a practice address in Marion

They are 17 of the 1,171 NPPES records with a practice address in Marion, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kirun Ahmad, D.O.Marion, IL 629591992966873
  2. Kevin Chen, MDMarion, IL 629591740291780
  3. Ramesh GuthikondaMarion, IL 629591508197997
  4. Joseph Herman, MDMarion, IL 629591225066186
  5. Michael Lawler, MDMarion, IL 629591629203708
  6. Colleen Lawler-Bjornberg, MDMarion, IL 629591750370243
  7. Herman Lyle, M.D.Marion, IL 629591275530230
  8. Silpa Maddala, M.DMarion, IL 629591982917373

Common questions

What is Earl H. Rudolph, D.O.'s NPI number?

Earl H. Rudolph, D.O.'s National Provider Identifier (NPI) is 1487851481, issued on Jul 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Earl H. Rudolph, D.O. located?

The NPPES record lists a practice address at 3333 W Deyoung St, Marion, IL, 62959. Phone: (618) 998-7017. Providers update this record themselves, so call before visiting.

How can I verify Earl H. Rudolph, D.O.'s license?

NPPES lists Illinois license number 036.134994, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Earl H. Rudolph, D.O. prescribe under Medicare Part D?

In 2024, Earl H. Rudolph, D.O. had 33 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.