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

Q: What is Louis Alamilla's NPI number?

The NPI number for Louis Alamilla is 1659938157. It was assigned to this individual provider in the NPPES registry on May 21, 2019.

Q: What is Louis Alamilla's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Louis Alamilla was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 21, 2019Accepts Medicare Assignment

966 W 21ST ST, CHICAGO, IL 60608(773) 254-1400 Get Directions Write a Review

NPPES record last updated: April 23, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Apr 23, 2026, May 21, 2019 (2 updates tracked since 2019).

On this page

About Louis Alamilla Rd, Cdces NPPES

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

LOUIS ALAMILLA RD, CDCES (NPI 1659938157) is an individual dietitian, registered in Chicago, Illinois, licensed in Illinois (164007778) and active in the NPI registry since May 2019. He maintains 2 additional practice locations and is a graduate of Other (2018).

NPPES Registry Identity

NPI1659938157

Entity TypeIndividualMale

Primary Taxonomy133V00000X

Provider Legal NameLOUIS ALAMILLACredential: RD, CDCES

Location Address966 W 21ST STChicago, IL 60608-4511

Mailing Address966 W 21st StChicago, IL 60608-4511 · (773) 254-1400 · Fax (312) 829-6842

Phone(773) 254-1400

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateMay 21, 2019

Last NPPES UpdateApril 23, 20262 updates tracked since enumeration

NPPES CertifiedApril 23, 2026

✔ NPI 1659938157 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 · 164007778

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.

966 W 21ST ST, Chicago, IL 60608

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Secondary Practice Locations 2

Location 16447 Cermak RdBerwyn, IL 60402-2311 · Phone (773) 254-1400 · Fax (708) 484-5413

Location 22355 S Western AveChicago, IL 60608-3837 · Phone (773) 254-1400 · Fax (773) 650-1218

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Louis Alamilla Rd, Cdces 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 ID749617447

PECOS Enrollment IDI20200218002948

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60608 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.

KAELYN CARROLL RN, CNM

Advanced Practice Midwife

966 W 21ST ST
CHICAGO, IL 60608

Cook County (773) 254-1400

NORMA B WESTERVELT M.D.

Pediatrics

966 W 21ST ST, ALIVIO MEDICAL CENTER
CHICAGO, IL 60608

Cook County (773) 254-1400

JACQUELINE S MA CNM

Advanced Practice Midwife

966 W 21ST ST
CHICAGO, IL 60608

Cook County (773) 254-1400

ROGER SALAZAR DMD

Dentist (Dental Public Health)

966 W 21ST ST
CHICAGO, IL 60608

Cook County (773) 254-1400

IRMA CORREA NP

Nurse Practitioner (Women's Health)

966 W 21ST ST
CHICAGO, IL 60608

Cook County (773) 254-1400

OLYMPIA FIELDS PHARMACY INC

Pharmacy (Community/Retail Pharmacy)

966 W 21ST ST
CHICAGO, IL 60608

Cook County (312) 226-2266

HILARY MARIE KORABIK APRN, CNM

Advanced Practice Midwife

966 W 21ST ST
CHICAGO, IL 60608

Cook County (312) 497-2478

HAN YU STEPHANIE LIOU MD

Pediatrics

966 W 21ST ST
CHICAGO, IL 60608

Cook County (773) 254-1400

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 Louis Alamilla's NPI number?

The NPI number for Louis Alamilla is 1659938157. It was assigned to this individual provider in the NPPES registry on May 21, 2019.

Where is Louis Alamilla located?

Louis Alamilla practices at 966 W 21st St, Chicago, IL 60608. The listed phone number is (773) 254-1400.

What is Louis Alamilla's specialty?

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

Is Louis Alamilla enrolled in Medicare?

Yes. Louis Alamilla 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.

What insurance does Louis Alamilla accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Louis Alamilla 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 Louis Alamilla was last updated on April 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.