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CHRISTIAN ESPARZA RD
NPI 1669254447
Dietitian, Registered in Chicago, IL

Active since October 17, 2023
4234 N WESTERN AVE, CHICAGO, IL 60618(210) 248-6691 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 20, 2026, Oct 17, 2023 (2 updates tracked since 2023).

About Christian Esparza Rd NPPES

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

CHRISTIAN ESPARZA RD (NPI 1669254447) is an individual dietitian, registered in Chicago, Illinois, licensed in Illinois (86133177) and active in the NPI registry since October 2023. He is a graduate of Other (2017).

NPPES Registry Identity

NPI1669254447
Entity TypeIndividualMale
Primary Taxonomy133V00000X
Provider Legal NameCHRISTIAN ESPARZACredential: RD
Location Address4234 N WESTERN AVEChicago, IL 60618-2829
Mailing Address4234 N Western AveChicago, IL 60618-2829 · (210) 248-6691
Phone(210) 248-6691
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 17, 2023
Last NPPES UpdateJuly 20, 20262 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1669254447 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Licenses✔ Licensed in IL · 86133177✔ Licensed in CT · 3284✔ Licensed in NC · L007760✔ Licensed in MN · 5203
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
4234 N WESTERN AVE, Chicago, IL 60618
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Christian Esparza Rd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8820567381
PECOS Enrollment IDI20260514002090

Medicare Billing Reassignment

Medicare enrollment records show Christian Esparza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Project Well, Inc.
736 mi
Dietitian, Registered
20 SUMMER ST STE 4
Stamford, CT 06901
  • Reassigned Medicare billing, Connecticut enrollment
  • 10 clinicians in this Medicare group
NPI 1508556416 (855) 659-3663

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

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 Christian Esparza's NPI number?

The NPI number for Christian Esparza is 1669254447. It was assigned to this individual provider in the NPPES registry on October 17, 2023.

Where is Christian Esparza located?

Christian Esparza practices at 4234 N Western Ave, Chicago, IL 60618. The listed phone number is (210) 248-6691.

What is Christian Esparza's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Christian Esparza enrolled in Medicare?

Yes. Christian Esparza is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christian Esparza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christian Esparza reassigns Medicare benefits to Project Well, Inc. (Stamford, CT). The 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 Christian Esparza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christian Esparza accept?

Health plans from Blue Cross and Blue Shield of NC list Christian Esparza 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 Christian Esparza was last updated on July 20, 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.