Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ADRIANNA K CHAUNCEY M.D.
NPI 1578852562
Internal Medicine in Chicago, IL

Q: What is Adrianna Chauncey's NPI number?

The NPI number for Adrianna Chauncey is 1578852562. It was assigned to this individual provider in the NPPES registry on March 31, 2011.

Q: What is Adrianna Chauncey's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Adrianna Chauncey was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 31, 2011

200 S WACKER DR FL 31, CHICAGO, IL 60606(866) 849-0692(888) 973-8821 Get Directions Write a Review

NPPES record last updated: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 30, 2026, Jul 21, 2022, Oct 1, 2020 and 2 more (5 updates tracked since 2017).

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About Adrianna K Chauncey M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADRIANNA K CHAUNCEY M.D. (NPI 1578852562) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036135080) and active in the NPI registry since March 2011. She maintains 3 additional practice locations.

NPPES Registry Identity

NPI1578852562

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameADRIANNA K CHAUNCEYCredential: M.D.

Location Address200 S WACKER DR FL 31Chicago, IL 60606-5877

Mailing AddressPo Box 211699Eagan, MN 55121-3699 · (866) 849-0692 · Fax (888) 973-8821

Phone(866) 849-0692

Fax(888) 973-8821

Sole ProprietorNo

Enumeration DateMarch 31, 2011

Last NPPES UpdateSeptember 30, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 30, 2026

✔ NPI 1578852562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036135080

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

200 S WACKER DR FL 31, Chicago, IL 60606

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Secondary Practice Locations 3

Location 118 Chicago AveOak Park, IL 60302-2402 · Phone (773) 253-3933

Location 21950 Harlem AveNorth Riverside, IL 60546-1470 · Phone (708) 354-9250

Location 3211 E Chicago Ave Ste 1050Chicago, IL 60611-2661 · Phone (312) 695-8630

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. ASHLEY DAWN GRAY RN

Registered Nurse