Mary K. Hayden, M.D.
Infectious Disease Physician · Chicago, IL
Mary K. Hayden, M.D. is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1730140187, issued on Mar 28, 2006. Check the license (Illinois 036080025, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary K. Hayden
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 036080025 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 S Paulina St, Chicago, IL 60612
- Phone
- (312) 942-2061
- Enumerated
- Mar 28, 2006
- Record last updated
- Jul 31, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (312) 942-2184
- Medicaid ID
- 036080025 IL
- Medicare enrollment
- Enrolled (PECOS I20091012000344); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1987
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 600 S Paulina St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Foster Adams, D.O.Critical Care Medicine (Internal Medicine) Physician1376938977
- Oluwamuyiwa AdebayoStudent in an Organized Health Care Education/Training Program1245087477
- Jubril AdepojuPlastic Surgery Physician1457097081
- Neelum Aggarwal, M.D.Neurology Physician1154450799
Verify Mary K. Hayden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036080025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary K. Hayden among 464 infectious disease physician records in Illinois
Mary K. Hayden, M.D. is one of 464 infectious disease physician records with a practice address in Illinois. 79% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1987 · median 2004 among the 311 with a school on file
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Stephanie Black, M.D.Chicago, IL 606121316908791
- Larry Goodman, M.DChicago, IL 606121356396550
- Alan Harris, M.D.Chicago, IL 606121699736488
- Ronald Hershow, M.D.Chicago, IL 606121942241054
- Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
- Harold Kessler, M.D.Chicago, IL 606121730140534
- John KowalskiChicago, IL 606121235178708
- Katayoun Rezai, M.D.Chicago, IL 606121730111576
Common questions
What is Mary K. Hayden, M.D.'s NPI number?
Mary K. Hayden, M.D.'s National Provider Identifier (NPI) is 1730140187, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary K. Hayden, M.D. located?
The NPPES record lists a practice address at 600 S Paulina St, Chicago, IL, 60612. Phone: (312) 942-2061. Providers update this record themselves, so call before visiting.
How can I verify Mary K. Hayden, M.D.'s license?
NPPES lists Illinois license number 036080025, 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.