CATHERINE PHILLIPS MS, RDN, LDN
NPI 1881564383
Dietitian, Registered in Flossmoor, IL

Q: What is Catherine Phillips's NPI number?

The NPI number for Catherine Phillips is 1881564383. It was assigned to this individual provider in the NPPES registry on November 10, 2025.

Q: What is Catherine Phillips's specialty?

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

Active since November 10, 2025Accepts Medicare Assignment

19550 GOVERNORS HWY, FLOSSMOOR, IL 60422(773) 834-4910 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: May 15, 2026, Nov 10, 2025 (2 updates tracked since 2025).

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About Catherine Phillips Ms, Rdn, Ldn NPPES

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

CATHERINE PHILLIPS MS, RDN, LDN (NPI 1881564383) is an individual dietitian, registered in Flossmoor, Illinois, licensed in Illinois (164.022688) and active in the NPI registry since November 2025. She maintains a secondary practice location in Chicago and is a graduate of Other (2025).

NPPES Registry Identity

NPI1881564383

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameCATHERINE PHILLIPSCredential: MS, RDN, LDN

Location Address19550 GOVERNORS HWYFlossmoor, IL 60422-2125

Mailing Address19550 Governors HwyFlossmoor, IL 60422-2125 · (773) 834-4910

Phone(773) 834-4910

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateNovember 10, 2025

Last NPPES UpdateMay 15, 20262 updates tracked since enumeration

NPPES CertifiedMay 15, 2026

✔ NPI 1881564383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in IL · 164.022688

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.

19550 GOVERNORS HWY, Flossmoor, IL 60422

Open in Google Maps ↗

Secondary Practice Location 1

Location 15841 S Maryland AveChicago, IL 60637-1443 · Phone (888) 824-0200

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Catherine Phillips Ms, Rdn, Ldn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284104951

PECOS Enrollment IDI20260525000123

Medicare Billing Reassignments

Medicare enrollment records show Catherine Phillips reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucm Medical Group Sub, LLC

5.5 mi

Family Medicine

71 W 156TH ST, 5TH FLOOR
Harvey, IL 60426

Reassigned Medicare billing, Illinois enrollment
126 clinicians in this Medicare group

NPI 1467442293 (708) 915-6353

The University Of Chicago Medical Center

18 mi

General Acute Care Hospital

5841 S MARYLAND AVE
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
1,905 clinicians in this Medicare group

NPI 1033218128 (773) 702-1530

University Of Chicago

18 mi

Multi-Specialty

5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637

Reassigned Medicare billing, Illinois enrollment
2,237 clinicians in this Medicare group

NPI 1821048786 (773) 702-9200

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60422 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $60.08 – $183.39

Typical copayment $0.00 (range $15.02 – $45.84)

Most-billed visit code NA

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KIMBERLY KRAMER RD, LDN

Dietitian, Registered

19550 GOVERNORS HWY
FLOSSMOOR, IL 60422

Cook County (708) 915-8853

MS. LAURA MUELLER RD, LDN

Dietitian, Registered

19550 GOVERNORS HWY, SUITE 2750
FLOSSMOOR, IL 60422

Cook County (708) 915-8532

DANIEL A YOHAY M.D.

Internal Medicine (Nephrology)

19550 GOVERNORS HWY, SUITE 2000
FLOSSMOOR, IL 60422

Cook County (708) 957-8750

FLOSSMOOR PAIN INSTITUTE AND SURGICAL CARE, LLC

Clinic/Center

19550 GOVERNORS HWY, SUITE 1400
FLOSSMOOR, IL 60422

Cook County (708) 922-1902

CHUN-LEI C TSAI LIC. ACUPUNCTURIST

Acupuncturist

19550 GOVERNORS HWY
FLOSSMOOR, IL 60422

Cook County (708) 206-1656

RONALD RIVERA PT

Physical Therapist

19550 GOVERNORS HWY
FLOSSMOOR, IL 60422

Cook County (708) 915-8409

KHENG JOE LAU M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

19550 GOVERNORS HWY
FLOSSMOOR, IL 60422

Cook County (888) 824-0200

DR. AKILAH J TOWNSEND DPT

Physical Therapist

19550 GOVERNORS HWY
FLOSSMOOR, IL 60422

Cook County (708) 915-8470

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 Catherine Phillips's NPI number?

The NPI number for Catherine Phillips is 1881564383. It was assigned to this individual provider in the NPPES registry on November 10, 2025.

Where is Catherine Phillips located?

Catherine Phillips practices at 19550 Governors Hwy, Flossmoor, IL 60422. The listed phone number is (773) 834-4910.

What is Catherine Phillips's specialty?

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

Is Catherine Phillips enrolled in Medicare?

Yes. Catherine Phillips is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Catherine Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Phillips reassigns Medicare benefits to 3 organizations: Ucm Medical Group Sub, LLC (Harvey, IL), The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). Each 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 Catherine Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Phillips accept?

Health plans from Oscar Health list Catherine Phillips 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 Catherine Phillips was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.