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

CRISELDA E. SAYOC M.D.
NPI 1831179944
Emergency Medicine in Chicago, IL

Active since January 17, 2006
5645 W ADDISON ST, OUR LADY OF THE RESURRECTION HOSPITAL, CHICAGO, IL 60634(773) 282-7000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Criselda E. Sayoc M.d. NPPES

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

CRISELDA E. SAYOC M.D. (NPI 1831179944) is an individual emergency medicine provider in Chicago, Illinois and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1831179944
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCRISELDA E. SAYOCCredential: M.D.
Location Address5645 W ADDISON ST, OUR LADY OF THE RESURRECTION HOSPITALChicago, IL 60634-4403
Mailing Address520 E 22nd StLombard, IL 60148-6110 · (630) 874-2542 · Fax (630) 874-2642
Phone(773) 282-7000
Sole ProprietorNo
Enumeration DateJanuary 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1831179944 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
5645 W ADDISON ST, Chicago, IL 60634
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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.

DR. AARON DANIEL KALLSNICK M.D.
Anesthesiology
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 282-7000
DR. DEVON BEER PT, DPT
Physical Therapist
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 794-7690
DR. EMILY KASSAB DPT
Physical Therapist
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 794-7690
NICHOLAS MORRELL DPT
Physical Therapist
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 282-7000
COMMUNITY FIRST HEALTHCARE OF ILLINOIS, INC
General Acute Care Hospital
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 282-7000
COMMUNITY FIRST HEALTHCARE OF ILLINOIS, INC.
Radiology (Diagnostic Radiology)
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 282-7000
ADEKUNLE ADESUYI CRNA
Nurse Anesthetist, Certified Registered
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 282-7000
KRISTIN ROSS P.T.
Physical Therapist
5645 W ADDISON ST
CHICAGO, IL 60634
Cook County (773) 794-7690

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 Criselda Sayoc's NPI number?

The NPI number for Criselda Sayoc is 1831179944. It was assigned to this individual provider in the NPPES registry on January 17, 2006.

Where is Criselda Sayoc located?

Criselda Sayoc practices at 5645 W Addison St Our Lady Of The Resurrection Hospital, Chicago, IL 60634. The listed phone number is (773) 282-7000.

What is Criselda Sayoc's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

When was this NPI record last updated?

The NPPES record for Criselda Sayoc was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.