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TIMOTHY LEWIS FERNANDEZ MD
NPI 1396205530
Emergency Medicine in Elmhurst, IL

Active since March 22, 2019PECOS Enrolled
91.35/100
CMS Quality Rating
155 E BRUSH HILL RD, ELMHURST, IL 60126(331) 221-0200(331) 221-3738 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 4, 2025, Nov 25, 2025, Jul 19, 2022 and 1 more (4 updates tracked since 2019).

About Timothy Lewis Fernandez Md NPPES

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

TIMOTHY LEWIS FERNANDEZ MD (NPI 1396205530) is an individual emergency medicine provider in Elmhurst, Illinois, licensed in Illinois (036157857) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396205530
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTIMOTHY LEWIS FERNANDEZCredential: MD
Location Address155 E BRUSH HILL RDElmhurst, IL 60126-5658
Mailing Address2650 Ridge Ave # 1223Evanston, IL 60201-1700 · (847) 982-3175 · Fax (847) 982-3394
Phone(331) 221-0200
Fax(331) 221-3738
Sole ProprietorNo
Enumeration DateMarch 22, 2019
Last NPPES UpdateDecember 4, 20254 updates tracked since enumeration
NPPES CertifiedDecember 4, 2025
✔ NPI 1396205530 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IL · 036157857
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
155 E BRUSH HILL RD, Elmhurst, IL 60126
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy Lewis Fernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

4

Medicare enrollment records show Timothy Fernandez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Elmhurst Memorial Hospital
Same address
General Acute Care Hospital
155 E BRUSH HILL RD
Elmhurst, IL 60126
  • Reassigned Medicare billing, Illinois enrollment
  • 205 clinicians in this Medicare group
NPI 1548306343 (331) 221-1000
Elmhurst Memorial Healthcare
0.5 mi
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
Central Dupage Emergency Physicians, PC
11 mi
Emergency Medicine
25 N. WINFIELD ROAD
Winfield, IL 60190
  • Reassigned Medicare billing, Illinois enrollment
  • 64 clinicians in this Medicare group
NPI 1619074028 (630) 933-2640
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 5

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
332 services327 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
306 services289 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
191 services191 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
53 services53 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
41 services40 patients

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
Quality82.71
Promoting Interoperability100
Improvement Activities40

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. DANIEL STEVEN VRYHOF M.D.
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-0200
DR. STEPHANY LYNNE MAZUR M.D.
Radiology (Diagnostic Radiology)
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (847) 982-6710
BARBARA E POTACZEK MD
Hospitalist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952
KEVIN EMMERICH MD
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-1000
DANIEL M CAHILL MD
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-0202
DR. LALITHA DILEEP-ANSAL MD
Hospitalist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952
SNEZANA KOVACEVIC
Pharmacist
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (630) 833-3724
THOMAS P. KING M.D.
Emergency Medicine
155 E BRUSH HILL RD
ELMHURST, IL 60126
Dupage County (331) 221-8952

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 Timothy Fernandez's NPI number?

The NPI number for Timothy Fernandez is 1396205530. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Timothy Fernandez located?

Timothy Fernandez practices at 155 E Brush Hill Rd, Elmhurst, IL 60126. The listed phone number is (331) 221-0200.

What is Timothy Fernandez's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Timothy Fernandez enrolled in Medicare?

Yes. Timothy Fernandez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Timothy Fernandez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Fernandez reassigns Medicare benefits to 4 organizations: Elmhurst Memorial Hospital (Elmhurst, IL), Elmhurst Memorial Healthcare (Elmhurst, IL), Central Dupage Emergency Physicians, PC (Winfield, 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 Timothy Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Timothy Fernandez was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.