NPPES file of Aug 9, 2026

Jennifer Jao, MD

Pediatric Infectious Diseases Physician · Chicago, IL

Jennifer Jao, MD is a pediatric infectious diseases physician with a practice address in Chicago, Illinois, and NPI 1295779908, issued on Jun 15, 2006. Check the license (Illinois 036104230, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295779908
Name
Jennifer Jao
Credential
MD
Primary taxonomy
Pediatric Infectious Diseases Physician 2080P0208X
License numbers
036104230 IL
25MA07867800 NJ
235208 NY
Self-reported in NPPES; status is on the state search
Practice location
225 E. Chicago Ave., Chicago, IL 60611
Phone
(312) 227-4080
Enumerated
Jun 15, 2006
Record last updated
Feb 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(312) 227-9709
Medicare enrollment
Enrolled (PECOS I20191002000001); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 1998
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 225 E. Chicago Ave.

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

  1. Sonali Chaudhury, MDPediatric Hematology & Oncology Physician1245458496

Verify Jennifer Jao 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 036104230
    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.

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Bills Medicare through one group practice

  1. Lurie Children's Medical Group Inc.Chicago, IL

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

Jennifer Jao among 46 pediatric infectious diseases physician records in Illinois

Jennifer Jao, MD is one of 46 pediatric infectious diseases physician records with a practice address in Illinois. 48% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 54% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated1998 · median 2002 among the 11 with a school on file
  • Record last updated2020 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Infectious Diseases Physician providers in Illinois

There are 46 pediatric infectious diseases physician records in Illinois.

The 8 pediatric infectious diseases physician records with the nearest ZIP codes

  1. Lisa Akhtar, MD, PHDChicago, IL 606111285928416
  2. Mehreen Arshad, MBBSChicago, IL 606111245498344
  3. Ellen Chadwick, MDChicago, IL 606111669431078
  4. Ravi Jhaveri, M.D.Chicago, IL 606111326197336
  5. Caitlin Li, MDChicago, IL 606111962858860
  6. William Muller, MD, PHDChicago, IL 606111790896041
  7. Alexander Newman, MDChicago, IL 606111063823680
  8. Sameer Patel, M.D.Chicago, IL 606111750409710

Common questions

What is Jennifer Jao, MD's NPI number?

Jennifer Jao, MD's National Provider Identifier (NPI) is 1295779908, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Jao, MD located?

The NPPES record lists a practice address at 225 E. Chicago Ave., Chicago, IL, 60611. Phone: (312) 227-4080. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Jao, MD's license?

NPPES lists Illinois license number 036104230, 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.