NPPES file of Aug 9, 2026

James Rupp, MD

Internal Medicine Physician · Maywood, IL

James Rupp, MD is an internal medicine physician with a practice address in Maywood, Illinois, and NPI 1780658815, issued on Feb 15, 2006. Check the license (Illinois 36106896, 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
1780658815
Name
James Rupp
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
36106896 IL
Self-reported in NPPES; status is on the state search
Practice location
2160 S First Ave, Maywood, IL 60153
Phone
(708) 485-1020
Enumerated
Feb 15, 2006
Record last updated
Sep 1, 2022
Fax
(708) 485-1173
Medicaid ID
36106896 IL
Medicare enrollment
Enrolled (PECOS I20050817000505); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1999
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 2160 S First Ave

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

  1. Elaine Adams, MDRheumatology Physician1699752592
  2. Hussein Ads, BDSOral and Maxillofacial Surgery (Dentist)1801966940
  3. Rekha Agrawal, MDPediatric Nephrology Physician1205802071
  4. Kathy Albain, M.D.Hematology & Oncology Physician1679550842
  5. Douglas Anderson, MDNeurological Surgery Physician1386621258
  6. Aziz Ansari, DOHospitalist Physician1558467720

Verify James Rupp 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 36106896
    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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27% more Medicare Part D claims than the average internal medicine physician in 2024

4,026 Medicare Part D claims for 354 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 23 claims were for opioids.

  1. James Rupp4,026
  2. Specialty average3,176

Most prescribed

  1. Losartan Potassium324 claims
  2. Atorvastatin Calcium310 claims
  3. Amlodipine Besylate265 claims
  4. Levothyroxine Sodium162 claims
  5. Pravastatin Sodium152 claims
  6. Rosuvastatin Calcium143 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: $173.65

9 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Rupp$173.65
  2. Specialty average$1,303.06

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. Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
  2. Loyola Medical Group LLCLa Grange, IL

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.

James Rupp among 7,238 internal medicine physician records in Illinois

James Rupp, MD 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1999 · median 2003 among the 3,580 with a school on file
  • Record last updated2022 · 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).

257 internal medicine physician records list a practice address in Maywood

They are 257 of the 2,572 NPPES records with a practice address in Maywood, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. William Boblick, MDMaywood, IL 601531932173267
  2. James Boblick, MDMaywood, IL 601531386618429
  3. Bradley Clifford, MDMaywood, IL 601531912971227
  4. Josephine Dlugopolski-Gach, MDMaywood, IL 601531679543151
  5. Kevin Embach, M.D.Maywood, IL 601531437151974
  6. Maureen Fearon, MDMaywood, IL 601531144294463
  7. Elizabeth Frye, MDMaywood, IL 601531295709509
  8. Sam Hung, MDMaywood, IL 601531750352753

Common questions

What is James Rupp, MD's NPI number?

James Rupp, MD's National Provider Identifier (NPI) is 1780658815, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James Rupp, MD located?

The NPPES record lists a practice address at 2160 S First Ave, Maywood, IL, 60153. Phone: (708) 485-1020. Providers update this record themselves, so call before visiting.

How can I verify James Rupp, MD's license?

NPPES lists Illinois license number 36106896, 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 James Rupp, MD prescribe under Medicare Part D?

In 2024, James Rupp, MD had 4,026 Medicare Part D claims for 354 beneficiaries; 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.