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

MERCY CRYSTAL LAKE HOSPITAL AND MEDICAL CENTER INC
NPI 1023754371
General Acute Care Hospital in Crystal Lake, IL

Active since May 10, 2022
875 S ROUTE 31, CRYSTAL LAKE, IL 60014(608) 756-6080(608) 756-6236 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 23, 2026, Apr 2, 2026, Jun 11, 2025 and 4 more (7 updates tracked since 2022).

About Mercy Crystal Lake Hospital And Medical Center Inc NPPES

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

MERCY CRYSTAL LAKE HOSPITAL AND MEDICAL CENTER INC (NPI 1023754371), doing business as Mercyhealth Hospital And Physician Clinic-crystal Lake, is a healthcare organization registered as a general acute care hospital in Crystal Lake, Illinois and active in the NPI registry since May 2022. The organization lists Patricia Lynne Allen, Cfo, as its authorized official.

NPPES Registry Identity

NPI1023754371
Entity TypeOrganization
Primary Taxonomy282N00000X
Legal Business NameMERCY CRYSTAL LAKE HOSPITAL AND MEDICAL CENTER INC
Location Address875 S ROUTE 31Crystal Lake, IL 60014
Mailing Address875 S. Route 31Crystal Lake, IL 60014-8190 · (779) 220-5500 · Fax (779) 220-5184
Fax(608) 756-6236
Organization SubpartYesParent: Mercy Health Corporation
Authorized OfficialPatricia Lynne AllenCfo · (608) 756-6080
Enumeration DateMay 10, 2022
Last NPPES UpdateSeptember 23, 20267 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1023754371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals
Taxonomy Code282N00000X
Definition
An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
875 S ROUTE 31, Crystal Lake, IL 60014

Other Names 1

Doing Business AsMercyhealth Hospital And Physician Clinic-crystal Lake

Other Identifiers 2

Other0006403IL · Il State License
Other140308IL · Il Medicare

Accepted Insurance

Hospital Quality Ratings CMS Care Compare

Quality and patient-experience ratings for Mercyhealth Hospital & Physician Clinic-Crystal La (CMS certification number 140308), from CMS Care Compare.

Mercyhealth Hospital & Physician Clinic-Crystal La

Acute Care Hospitals · Crystal Lake, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number140308
Location875 S Route 31Crystal Lake, IL 60014 · Mc Henry County · (792) 220-5500
Emergency services

Timely & Effective Care 3

Percentage of healthcare personnel who are up to date with COVID-19 vaccinations
70.2%
Healthcare workers given influenza vaccination
98%
Average (median) time patients spent in the emergency department before leaving from the visit A lower number of minutes is better
84 minutes

Other Providers at the Same Location NPPES 12

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

Nurse Practitioner
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Anesthetist, Certified Registered
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Anesthesiology
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Practitioner (Family)
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Anesthetist, Certified Registered
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Anesthetist, Certified Registered
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Anesthetist, Certified Registered
875 S ROUTE 31
CRYSTAL LAKE, IL 60014
Nurse Practitioner
875 S ROUTE 31
CRYSTAL LAKE, IL 60014

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 Mercy Crystal Lake Hospital And Medical Center Inc's NPI number?

The NPI number for Mercy Crystal Lake Hospital And Medical Center Inc is 1023754371. It was assigned to this organization in the NPPES registry on May 10, 2022. The provider is doing business as Mercyhealth Hospital and Physician Clinic-Crystal Lake.

Where is Mercy Crystal Lake Hospital And Medical Center Inc located?

Mercy Crystal Lake Hospital And Medical Center Inc is located at 875 S Route 31, Crystal Lake, IL 60014. The listed phone number is (608) 756-6080.

What is Mercy Crystal Lake Hospital And Medical Center Inc's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Is Mercy Crystal Lake Hospital And Medical Center Inc a Medicare-certified hospital?

Yes. Mercyhealth Hospital & Physician Clinic-Crystal La is a Medicare-certified hospital (Acute Care Hospitals). The hospital provides emergency services.

What insurance does Mercy Crystal Lake Hospital And Medical Center Inc accept?

Health plans from MercyCare Health Plans list Mercy Crystal Lake Hospital And Medical Center Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mercy Crystal Lake Hospital And Medical Center Inc was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.