DIANA SUSAN ANTON APN
NPI 1548486327
Nurse Practitioner - Adult Health in Elmhurst, IL

Q: What is Diana Anton's NPI number?

The NPI number for Diana Anton is 1548486327. It was assigned to this individual provider in the NPPES registry on April 18, 2007. The provider is also known as Diana Susan Kay.

Q: What is Diana Anton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Diana Anton was last updated on April 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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 April 18, 2007PECOS EnrolledAccepts Medicare Assignment

91.35/100

CMS Quality Rating

1200 S YORK ST, STE 2000, ELMHURST, IL 60126(331) 221-9001(331) 221-3936 Get Directions Write a Review

NPPES record last updated: April 22, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 22, 2021, May 22, 2019 (2 updates tracked since 2019).

On this page

About Diana Susan Anton Apn NPPES

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

DIANA SUSAN ANTON APN (NPI 1548486327) is an individual adult health provider in Elmhurst, Illinois, licensed in Illinois (209.004129) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Rush Medical College Of Rush University (1999).

NPPES Registry Identity

NPI1548486327

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameDIANA SUSAN ANTONCredential: APN

Location Address1200 S YORK ST, STE 2000Elmhurst, IL 60126

Mailing Address4201 Winfield Rd Fl 4Warrenville, IL 60555-4025 · (331) 221-6377 · Fax (331) 221-2357

Phone(331) 221-9001

Fax(331) 221-3936

Sole ProprietorNo

Medical School CMSRush Medical College Of Rush UniversityGraduated 1999

Enumeration DateApril 18, 2007

Last NPPES UpdateApril 22, 20212 updates tracked since enumeration

NPPES CertifiedApril 22, 2021

✔ NPI 1548486327 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in IL · 209.004129

1200 S YORK ST, Elmhurst, IL 60126

Open in Google Maps ↗

Other Names 1

Former Name (1)Diana Susan Kay

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

Diana Susan Anton Apn 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 ID4486973633

PECOS Enrollment IDI20190521001700

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Diana Anton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Elmhurst Memorial Healthcare

Same address

Multi-Specialty

1200 S YORK ST
Elmhurst, IL 60126

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

NPI 1457493454 (331) 221-9000

Endeavor Health Medical Group

19 mi

Allergy & Immunology

1000 CENTRAL ST
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1497701882 (847) 570-5235

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

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

175 services122 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

64 services57 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

41 services41 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

25 services23 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

20 services19 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

20 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL

4/5 CMS rating

OwnershipProprietary

CMS Certification Number140200

Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.71

Promoting Interoperability

100

Improvement Activities

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.

KELLY ABATE MD LLC

Dermatology

1200 S YORK ST, SUITE 3240
ELMHURST, IL 60126

Dupage County (630) 758-8688

NICOLE J MORRISSEY DPT

Physical Therapist

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-6050

DR. OMAR SHAMSI MD

Internal Medicine (Obesity Medicine)

1200 S YORK ST, SUITE 1240
ELMHURST, IL 60126

Dupage County (331) 221-6140

YOGEN YATIN PATEL

Physical Medicine & Rehabilitation (Sports Medicine)

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-9095

ROSALBA I RUBINO

Nurse Practitioner

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-1000

DR. ALEX BRYAN BEHAR M.D.

Physical Medicine & Rehabilitation

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-9095

DR. SARAH MARIA SARHADDI PSYD

Psychologist (Clinical)

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (331) 221-6134

ASHLEY VERBUS

Nurse Practitioner

1200 S YORK ST
ELMHURST, IL 60126

Dupage County (630) 527-3200

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 Diana Anton's NPI number?

The NPI number for Diana Anton is 1548486327. It was assigned to this individual provider in the NPPES registry on April 18, 2007. The provider is also known as Diana Susan Kay.

Where is Diana Anton located?

Diana Anton practices at 1200 S York St Ste 2000, Elmhurst, IL 60126. The listed phone number is (331) 221-9001.

What is Diana Anton's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Diana Anton enrolled in Medicare?

Yes. Diana Anton 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 Diana Anton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Anton reassigns Medicare benefits to 2 organizations: Elmhurst Memorial Healthcare (Elmhurst, IL) and Endeavor Health Medical Group (Evanston, 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 Diana Anton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Anton accept?

Health plans from Oscar Health list Diana Anton 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.

Is Diana Anton affiliated with any hospitals?

According to CMS data, Diana Anton is affiliated with Elmhurst Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Diana Anton was last updated on April 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.