NPPES file of Aug 9, 2026

Robert C. Woodruff, M.D.

Cardiovascular Disease Physician · Springfield, IL

Robert C. Woodruff, M.D. is a cardiovascular disease physician with a practice address in Springfield, Illinois, and NPI 1659454262, issued on Oct 24, 2006. Check the license (Illinois 036067900, 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
1659454262
Name
Robert C. Woodruff
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
036067900 IL
036-067900 IL
Self-reported in NPPES; status is on the state search
Practice location
619 E Mason St, Springfield, IL 62701
Phone
(217) 788-0706
Enumerated
Oct 24, 2006
Record last updated
Apr 4, 2025
Fax
(217) 525-2535
Medicaid ID
036067900 IL
Medicare enrollment
Enrolled (PECOS I20050727000768); may accept Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 1982
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 619 E Mason St

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

  1. Frank Aguirre, M.D.Interventional Cardiology Physician1265513717
  2. Susan Allen, ACNPAcute Care Nurse Practitioner1760631683
  3. Carl Arentzen, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1033190814
  4. Jennifer Black, N.P.Adult Health Nurse Practitioner1174607576
  5. Melissa Clark, PA-CPhysician Assistant1598776882
  6. Margie DouglasAdult Health Nurse Practitioner1154623585

Verify Robert C. Woodruff 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 036067900
    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

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34% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,042 Medicare Part D claims for 361 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Robert Woodruff2,042
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate232 claims
  2. Furosemide156 claims
  3. Carvedilol136 claims
  4. Eliquis129 claims
  5. Atorvastatin Calcium118 claims
  6. Amlodipine Besylate112 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.

Bills Medicare through 2 group practices

  1. Prairie Cardiovascular Consultants LtdSpringfield, IL
  2. St Johns Hospital OF The Hospital Sisters OF The Third Order OF St FSpringfield, IL

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

Robert C. Woodruff among 1,073 cardiovascular disease physician records in Illinois

Robert C. Woodruff, M.D. is one of 1,073 cardiovascular disease physician records with a practice address in Illinois. 85% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1982 · median 2001 among the 688 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Illinois

There are 1,073 cardiovascular disease physician records in Illinois.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Mansura Ghani, M.D.Springfield, IL 627011639253701
  2. Richard Holloway, M.D.Springfield, IL 627011326120668
  3. Charles Karpen, M.D.Springfield, IL 627011235211509
  4. Richard Katholi, M.D.Springfield, IL 627011245312529
  5. Charles Lucore, M.D.Springfield, IL 627011821172198
  6. Holly Novak, M.D.Springfield, IL 627011952483968
  7. John Pargulski, D.O.Springfield, IL 627011629051958
  8. Himanshu Pathak, M.D.Springfield, IL 627011700054939

Common questions

What is Robert C. Woodruff, M.D.'s NPI number?

Robert C. Woodruff, M.D.'s National Provider Identifier (NPI) is 1659454262, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert C. Woodruff, M.D. located?

The NPPES record lists a practice address at 619 E Mason St, Springfield, IL, 62701. Phone: (217) 788-0706. Providers update this record themselves, so call before visiting.

How can I verify Robert C. Woodruff, M.D.'s license?

NPPES lists Illinois license number 036067900, 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 Robert C. Woodruff, M.D. prescribe under Medicare Part D?

In 2024, Robert C. Woodruff, M.D. had 2,042 Medicare Part D claims for 361 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.