NPPES file of Aug 9, 2026

James Frederiksen, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chicago, IL

James Frederiksen, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Chicago, Illinois, and NPI 1174676787, issued on Jan 18, 2007. Check the license (Illinois 36057651, 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
1174676787
Name
James Frederiksen
Credential
M.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
36057651 IL
Self-reported in NPPES; status is on the state search
Practice location
675 N Saint Clair St, Chicago, IL 60611
Phone
(312) 695-2885
Enumerated
Jan 18, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(312) 695-2461
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 675 N Saint Clair St

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

  1. Abdul Aadam, M.D.Gastroenterology Physician1013038744
  2. Ronald Ackermann, MDInternal Medicine Physician1629029210
  3. Kehinde Adekola, MDHematology & Oncology Physician1306026117
  4. Sonya Agnew, M.D.Plastic Surgery Physician1962640250
  5. Mohammed Alghoul, M.D.Plastic Surgery Physician1932376746
  6. Sharon Allen, APRNAdult Health Nurse Practitioner1003849993

Verify James Frederiksen 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 36057651
    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.

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

Industry payments in 2024: $73.00

1 payment: food and beverage; the largest payer was Pfizer Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Frederiksen$73.00
  2. Specialty average$7,828.84

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

James Frederiksen among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois

James Frederiksen, M.D. is one of 265 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Illinois. 72% 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 44% of them.

  • NPI issued2007 · 44% of these records are older, 50% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2007 · 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 208G00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Illinois

There are 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois.

The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes

  1. Mitesh Badiwala, M.D.Chicago, IL 606111316280035
  2. Ankit Bharat, MDChicago, IL 606111003852419
  3. Benjamin Bryner, M.D.Chicago, IL 606111992933006
  4. Stephen ChiuChicago, IL 606111376819706
  5. Allison Davila, M.D.Chicago, IL 606111992149116
  6. Douglas Johnston, M.D.Chicago, IL 606111790957991
  7. Samuel Kim, MDChicago, IL 606111184771172
  8. S. Christopher Malaisrie, M.D.Chicago, IL 606111801904008

Common questions

What is James Frederiksen, M.D.'s NPI number?

James Frederiksen, M.D.'s National Provider Identifier (NPI) is 1174676787, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James Frederiksen, M.D. located?

The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 695-2885. Providers update this record themselves, so call before visiting.

How can I verify James Frederiksen, M.D.'s license?

NPPES lists Illinois license number 36057651, 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.

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.