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

NPI Status: Active since November 10, 2025

Contact Information

19550 GOVERNORS HWY
FLOSSMOOR, IL
ZIP 60422
Phone: (773) 834-4910

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  • Individual
  • Female
  • Dietitian, Registered

About CATHERINE PHILLIPS

This page provides the complete NPI Profile along with additional information for Catherine Phillips, a provider established in Flossmoor, Illinois with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1881564383 assigned on November 2025. The practitioner's primary taxonomy code is 133V00000X with license number 164.022688 (IL). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1881564383
Provider Name
CATHERINE PHILLIPS MS, RDN, LDN
Gender
Female
Entity Type
Individual
Location Address
19550 GOVERNORS HWY FLOSSMOOR, IL 60422
Location Phone
(773) 834-4910
Mailing Address
19550 GOVERNORS HWY FLOSSMOOR, IL 60422
Mailing Phone
(773) 834-4910
Is Sole Proprietor?
No
Enumeration Date
11-10-2025
Last Update Date
05-15-2026
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Location Map

Secondary Locations

  • 5841 S Maryland Ave
    Chicago, IL 60637
    (888) 824-0200

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dietitian, Registered

Taxonomy Code
133V00000X
Type
Dietary & Nutritional Service Providers
License No.
164.022688
License State
IL
Taxonomy Description
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.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1881564383, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 5 → 10 → 1 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 6 + 1 + 1 + 0 + 6 + 8 + 3 + 1 + 6 + 24 = 67

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1881564383.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Obstetrics & Gynecology (Gynecology)
19550 GOVERNORS HWY, SUITE 2300
FLOSSMOOR, IL 60422
Internal Medicine (Nephrology)
19550 GOVERNORS HWY, SUITE 2000
FLOSSMOOR, IL 60422
Internal Medicine (Nephrology)
19550 GOVERNORS HWY, SUITE 2000
FLOSSMOOR, IL 60422
Internal Medicine (Nephrology)
19550 GOVERNORS HWY, SUITE 2000
FLOSSMOOR, IL 60422
Internal Medicine (Nephrology)
19550 GOVERNORS HWY, SUITE 2000
FLOSSMOOR, IL 60422
Dietitian, Registered
19550 GOVERNORS HWY, SUITE 2750
FLOSSMOOR, IL 60422
Occupational Therapist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Pediatrics
19550 GOVERNORS HWY, SUITE 2500
FLOSSMOOR, IL 60422
Pediatrics
19550 GOVERNORS HWY, STE 2500
FLOSSMOOR, IL 60422
Acupuncturist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Family Medicine
19550 GOVERNORS HWY, SUITE 2700
FLOSSMOOR, IL 60422
Pharmacy (Community/Retail Pharmacy)
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Speech-Language Pathologist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Psychiatry & Neurology (Psychiatry)
19550 GOVERNORS HWY, SUITE 3700
FLOSSMOOR, IL 60422
Physical Therapist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Physical Therapist
19550 GOVERNORS HWY, C/O THERAPY DEPARTMENT
FLOSSMOOR, IL 60422
Physical Therapist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Physical Therapist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Physical Therapist
19550 GOVERNORS HWY
FLOSSMOOR, IL 60422
Internal Medicine
19550 GOVERNORS HWY, SUITE 2900
FLOSSMOOR, IL 60422

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881564383, enumerated as an "individual" on November 10, 2025.

The provider is located at 19550 GOVERNORS HWY FLOSSMOOR, IL 60422 and the phone number is (773) 834-4910.

Dietitian, Registered with taxonomy code 133V00000X.