ESPERANZA CALIFORNIA
NPI 1124187125
Clinic/Center - Federally Qualified Health Center (FQHC) in Chicago, IL

Active since December 06, 2006CLIA Certified · 2 labs
2001 S. CALIFORNIA AVE, SUITE 100, CHICAGO, IL 60608(773) 584-1635(773) 376-8845 Get Directions Write a Review

NPPES record last updated: August 2, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2020, Nov 28, 2018, Nov 17, 2015 (3 updates tracked since 2015).

About Esperanza California NPPES

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

ESPERANZA CALIFORNIA (NPI 1124187125) is a healthcare organization registered as a federally qualified health center (fqhc) in Chicago, Illinois and active in the NPI registry since December 2006. The organization holds 2 active CLIA laboratory certificates and lists Zachary Spreitzer, Director Of Finance, as its authorized official.

NPPES Registry Identity

NPI1124187125
Entity TypeOrganization
Primary Taxonomy261QF0400X
Legal Business NameESPERANZA HEALTH CENTERS
Location Address2001 S. CALIFORNIA AVE, SUITE 100Chicago, IL 60608-2405
Mailing Address2001 S. California Ave, Suite 100Chicago, IL 60608-2405 · (773) 584-6132 · Fax (773) 376-8845
Fax(773) 376-8845
Organization SubpartYes
Authorized OfficialZachary SpreitzerDirector Of Finance · (773) 640-5785
Enumeration DateDecember 6, 2006
Last NPPES UpdateAugust 2, 20233 updates tracked since enumeration
NPPES CertifiedAugust 2, 2023
✔ NPI 1124187125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
Taxonomy Code261QF0400X
2001 S. CALIFORNIA AVE, Chicago, IL 60608

Other Names 1

Other NameEsperanza California

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Esperanza California is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

123

Medicare enrollment records show 123 clinicians reassign Medicare billing to Esperanza California, which bills Medicare for the services they deliver. Of these, 20 practice at this address and 96 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 10

Family Practice39
Nurse Practitioner27
Pediatric Medicine12
Clinical Social Worker11
Mental Health Counselor11
Certified Nurse Midwife (CNM)7
Internal Medicine6
Obstetrics/Gynecology6
2 other specialties4

Nearest to this location (20)

See all 123
Internal Medicine
NPI 1578067815
2001 S CALIFORNIA AVE STE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1982167144
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Mental Health Counselor
NPI 1619636008
2001 S CALIFORNIA AVE # 100
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Clinical Social Worker
NPI 1962219899
2001 S CALIFORNIA AVE
Chicago, IL 60608
(708) 584-6200
✔ PECOSSame address
Nurse Practitioner
NPI 1528602646
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 640-5784
✔ PECOSSame address
Family Practice
NPI 1225617764
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1457806861
2001 S CALIFORNIA AVE SUITE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Certified Nurse Midwife (CNM)
NPI 1730747999
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Pediatric Medicine
NPI 1629156559
2001 S CALIFORNIA AVE STE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Certified Nurse Midwife (CNM)
NPI 1063174282
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Nurse Practitioner
NPI 1699440891
2001 S CALIFORNIA AVE STE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Certified Nurse Midwife (CNM)
NPI 1659484871
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Family Practice
NPI 1225657497
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1013238310
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Family Practice
NPI 1003132002
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1922724145
2001 S CALIFORNIA AVE
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1619859071
2001 S CALIFORNIA AVE # 100
Chicago, IL 60608
(312) 404-5764
✔ PECOSSame address
Nurse Practitioner
NPI 1952908212
2001 S CALIFORNIA AVE # 100
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1861185704
2001 S CALIFORNIA AVE STE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOSSame address
Obstetrics/Gynecology
NPI 1285128926
2001 S CALIFORNIA AVE STE 100
Chicago, IL 60608
(773) 584-6200
✔ PECOS✔ Accepts MedicareSame address
See all 123 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D1027958

Esperanza Health Centers · Chicago, IL
Active · expires Aug 20, 2027
CLIA Number14D1027958
Laboratory TypeFederally Qualified Health Center
Certificate Effective DateAugust 21, 2025
Certificate Expiration DateAugust 20, 2027
Laboratory DirectorThomas O. Kim
Laboratory Phone(872) 762-3043
Laboratory LocationEsperanza Health Centers2001 S California Ave - Ste 100, Chicago, IL 60608
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 14D2208896

Esperanza Health Centers · Chicago, IL
Active · expires Jan 7, 2027
CLIA Number14D2208896
Laboratory TypeFederally Qualified Health Center
Certificate Effective DateJanuary 8, 2025
Certificate Expiration DateJanuary 7, 2027
Laboratory DirectorDaniel C. Fulwiler
Laboratory Phone(773) 584-6132
Laboratory LocationEsperanza Health Centers3124 W 59th St, Chicago, IL 60629
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Esperanza Health Centers's NPI number?

The NPI number for Esperanza Health Centers is 1124187125. It was assigned to this organization in the NPPES registry on December 6, 2006. The provider is also known as Esperanza California.

Where is Esperanza Health Centers located?

Esperanza Health Centers is located at 2001 S. California Ave Suite 100, Chicago, IL 60608. The listed phone number is (773) 584-1635.

What is Esperanza Health Centers's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.

Is Esperanza Health Centers enrolled in Medicare?

Yes. Esperanza Health Centers is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Esperanza Health Centers?

According to the CMS Revalidation Reassignment List (October 2026 release), 123 clinicians in 10 Medicare specialties reassign their Medicare billing to Esperanza Health Centers. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (39), Nurse Practitioner (27) and Pediatric Medicine (12). Of these, 20 practice at this address and 96 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Esperanza Health Centers hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Esperanza Health Centers accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Esperanza Health Centers 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 Esperanza Health Centers was last updated on August 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.