LOUIS ALAMILLA RD, CDCES
NPI 1659938157
Dietitian, Registered in Chicago, IL

NPI Status: Active since May 21, 2019

Contact Information

966 W 21ST ST
CHICAGO, IL
ZIP 60608
Phone: (773) 254-1400

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  • Individual
  • Male
  • Dietitian, Registered
  • Accepts Insurance

About LOUIS ALAMILLA

This page provides the complete NPI Profile along with additional information for Louis Alamilla, a provider established in Chicago, Illinois with a medical specialization in Dietitian, Registered. The healthcare provider is registered in the NPI registry with number 1659938157 assigned on May 2019. The practitioner's primary taxonomy code is 133V00000X with license number 164007778 (IL). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1659938157
Provider Name
LOUIS ALAMILLA RD, CDCES
Gender
Male
Entity Type
Individual
Location Address
966 W 21ST ST CHICAGO, IL 60608
Location Phone
(773) 254-1400
Mailing Address
966 W 21ST ST CHICAGO, IL 60608
Mailing Phone
(773) 254-1400
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
05-21-2019
Last Update Date
04-23-2026
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Location Map

Secondary Locations

  • 6447 Cermak Rd
    Berwyn, IL 60402
    (773) 254-1400
  • 2355 S Western Ave
    Chicago, IL 60608
    (773) 254-1400

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.
164007778
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Principal Bronze HSA - EPO
  • Principal Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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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 1659938157, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 8 + 3 + 1 + 6 + 1 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1659938157.

Other Providers at the Same Location


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

Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608
Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608
Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608
Pediatrics
966 W 21ST ST, ALIVIO MEDICAL CENTER
CHICAGO, IL 60608
Nurse Practitioner (Pediatrics)
966 W 21ST ST
CHICAGO, IL 60608
Clinic/Center (Federally Qualified Health Center (FQHC))
966 W 21ST ST
CHICAGO, IL 60608
Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608
Nurse Practitioner (Family)
966 W 21ST ST
CHICAGO, IL 60608
Internal Medicine
966 W 21ST ST
CHICAGO, IL 60608
Pharmacy (Community/Retail Pharmacy)
966 W 21ST ST
CHICAGO, IL 60608
Pediatrics
966 W 21ST ST
CHICAGO, IL 60608
Counselor (Professional)
966 W 21ST ST
CHICAGO, IL 60608
Psychiatry & Neurology (Psychiatry)
966 W 21ST ST
CHICAGO, IL 60608
Urology
966 W 21ST ST
CHICAGO, IL 60608
Clinic/Center (Federally Qualified Health Center (FQHC))
966 W 21ST ST
CHICAGO, IL 60608
Nurse Practitioner (Women's Health)
966 W 21ST ST
CHICAGO, IL 60608
Health Educator
966 W 21ST ST
CHICAGO, IL 60608
Health Educator
966 W 21ST ST
CHICAGO, IL 60608
Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608
Advanced Practice Midwife
966 W 21ST ST
CHICAGO, IL 60608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659938157, enumerated as an "individual" on May 21, 2019.

The provider is located at 966 W 21ST ST CHICAGO, IL 60608 and the phone number is (773) 254-1400.

Dietitian, Registered with taxonomy code 133V00000X.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health. Please consult your insurance carrier or call the provider to verify.