MS. ALYSSA KATHRYN CHAO MD
NPI 1851060784
Student in an Organized Health Care Education/Training Program in Chicago, IL

Active since September 13, 2021PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-6222(773) 834-7250 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 6, 2026, Apr 2, 2025, Sep 13, 2021 (3 updates tracked since 2021).

About Ms. Alyssa Kathryn Chao Md NPPES

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

MS. ALYSSA KATHRYN CHAO MD (NPI 1851060784) is an individual student in an organized health care education/training program in Chicago, Illinois and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1851060784
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMS. ALYSSA KATHRYN CHAOCredential: MD
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Fax(773) 834-7250
Sole ProprietorYes
Enumeration DateSeptember 13, 2021
Last NPPES UpdateMay 6, 20263 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
NPI 1851060784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 125087086 (IL)
5841 S MARYLAND AVE, Chicago, IL 60637

Secondary Practice Locations 2

Location 1240 E Huron St Ste 1-200Chicago, IL 60611-2909 · Phone (312) 503-7975
Location 2450 Stanyan StSan Francisco, CA 94117-1019 · Phone (415) 750-5942 · Fax (415) 750-5594

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Alyssa Kathryn Chao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Chao's NPI number?

The NPI number for Alyssa Chao is 1851060784. It was assigned to this individual provider in the NPPES registry on September 13, 2021.

Where is Alyssa Chao located?

Alyssa Chao practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-6222.

What is Alyssa Chao's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Alyssa Chao enrolled in Medicare?

Yes. Alyssa Chao is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alyssa Chao was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.