Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DIANA M REGNERY OD
NPI 1144077496
Optometrist in Downers Grove, IL

Q: What is Diana Regnery's NPI number?

The NPI number for Diana Regnery is 1144077496. It was assigned to this individual provider in the NPPES registry on May 3, 2024.

Q: What is Diana Regnery's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Regnery was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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 03, 2024PECOS Enrolled

3450 LACEY RD, DOWNERS GROVE, IL 60515(630) 743-4500(623) 806-7689 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 16, 2026, Jul 8, 2024, May 3, 2024 (3 updates tracked since 2024).

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About Diana M Regnery Od NPPES

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

DIANA M REGNERY OD (NPI 1144077496) is an individual optometrist in Downers Grove, Illinois, licensed in Illinois (046011864) and active in the NPI registry since May 2024. She is enrolled in Medicare PECOS and is a graduate of Illinois College Of Optometry At Chicago (2024).

NPPES Registry Identity

NPI1144077496

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDIANA M REGNERYCredential: OD

Location Address3450 LACEY RDDowners Grove, IL 60515-5430

Mailing Address3450 Lacey RdDowners Grove, IL 60515-5430 · (630) 743-4500

Phone(630) 743-4500

Fax(623) 806-7689

Sole ProprietorNo

Medical School CMSIllinois College Of Optometry At ChicagoGraduated 2024

Enumeration DateMay 3, 2024

Last NPPES UpdateSeptember 16, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2026

✔ NPI 1144077496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in IL · 046011864

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

3450 LACEY RD, Downers Grove, IL 60515

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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 and more.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

Diana M Regnery Od 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 ID4284170911

PECOS Enrollment IDI20240718001322

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60515 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

Most-billed visit code 99213

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.

DR. AARLAN VINCENT ACETO OD

Optometrist

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4807

BEHNAM DARVISHAN DMD

Dentist (General Practice)

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

RITA ANDREJA SINCLAIR PA-C

Physician Assistant

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-7500

DR. KIMBERLY A HUNTINGTON-ALFANO D.O.

Family Medicine

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

MIDWESTERN UNIVERSITY

Speech-Language Pathologist

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

MS. KIMBERLY S HOFFER M.A., CCC-SLP

Speech-Language Pathologist

3450 LACEY RD, ALUMNI HALL 206
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

JESSICA N CONROY OD

Optometrist

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

LAUREN MAXON FERGUSON CCC-SLP

Speech-Language Pathologist

3450 LACEY RD
DOWNERS GROVE, IL 60515

Dupage County (630) 743-4500

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 Regnery's NPI number?

The NPI number for Diana Regnery is 1144077496. It was assigned to this individual provider in the NPPES registry on May 3, 2024.

Where is Diana Regnery located?

Diana Regnery practices at 3450 Lacey Rd, Downers Grove, IL 60515. The listed phone number is (630) 743-4500.

What is Diana Regnery's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Diana Regnery enrolled in Medicare?

Yes. Diana Regnery 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 Diana Regnery accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Louisiana and 5 other insurers list Diana Regnery 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 Diana Regnery was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.