NPPES file of Aug 9, 2026

Hiroki Takaya, M.D., PH.D.

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

Hiroki Takaya, M.D., PH.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Chicago, Illinois, and NPI 1306537832, issued on May 16, 2023. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306537832
Name
Hiroki Takaya
Credential
M.D., PH.D.
Primary taxonomy
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
License number
340510 NY
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
May 16, 2023
Record last updated
Oct 30, 2025
Medicare enrollment
Enrolled (PECOS I20251111002411); may accept 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.
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8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 265 in Illinois → Look up another NPI →

Also registered at 5841 S Maryland Ave

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

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  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Hiroki Takaya in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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Hiroki Takaya among 265 thoracic surgery (cardiothoracic vascular surgery) physician records in Illinois

Hiroki Takaya, M.D., PH.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 not. Its NPI, issued in 2023, is newer than 92% of them.

  • NPI issued2023 · 92% of these records are older, 5% newer
  • In a Medicare fileNo · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2010 · median 1999 among the 148 with a school on file
  • Record last updated2025 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 265 in Illinois → Every provider in Chicago → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →

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

  1. Yazan Aljamal, MDChicago, IL 606371942618970
  2. Favin Babu, M.D.Chicago, IL 606371912327008
  3. Husam BalkhyChicago, IL 606371790750891
  4. Darren Bryan, M.D.Chicago, IL 606371306284138
  5. Jessica DoningtonChicago, IL 606371497783567
  6. Mark FergusonChicago, IL 606371306904453
  7. Valluvan JeevanandamChicago, IL 606371285738344
  8. Maria Lucia MadariagaChicago, IL 606371104053677

Common questions

What is Hiroki Takaya, M.D., PH.D.'s NPI number?

Hiroki Takaya, M.D., PH.D.'s National Provider Identifier (NPI) is 1306537832, issued on May 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Hiroki Takaya, M.D., PH.D. located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Hiroki Takaya, M.D., PH.D.'s license?

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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.