Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Zain Nayani, DO, MPH

Individual provider Internal Medicine Physician · NPI 1902489172

Zain Nayani, DO, MPH is a Hospitalist in Chicago, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2021, 5 years ago. Practices with Rush University Medical Group, a 1,499-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
5
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2021
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

600 S Paulina St Ste 403
Chicago, IL 60612-3806
Phone: (312) 942-7100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125-077538 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036168972 (IL)
Addiction Medicine (Internal Medicine) Physician Taxonomy 207RA0401X · Licence 036168972 (IL)
General Practice Physician Taxonomy 208D00000X · Licence 036168972 (IL)

Record details

NPI number1902489172
Entity typeIndividual (Type 1)
GenderMale
Credentials DO , MPH
Sole proprietorNo
NPI enumeratedMay 4, 2021
Last updated in NPPESJune 18, 2024
Certification dateJune 18, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2021 (5 years in practice)
Group practice Rush University Medical Group — 1499 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $147 2 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Rush University Medical Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1499 clinicians in the practice; 12 are shown here.

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