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DR. ROY K WERNER SR. MD, MS
NPI 1518952969
Emergency Medicine in Crestwood, IL

Active since September 13, 2005PECOS EnrolledAccepts Medicare Assignment
13448 S. CICERO AVENUE, CRESTWOOD, IL 60445(708) 682-3384(708) 682-3385 Get Directions Write a Review

NPPES record last updated: January 31, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 31, 2022, Jul 31, 2020, May 22, 2019 (3 updates tracked since 2019).

About Dr. Roy K Werner Sr. Md, Ms NPPES

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

DR. ROY K WERNER SR. MD, MS (NPI 1518952969) is an individual emergency medicine provider in Crestwood, Illinois, licensed in Illinois (036115221) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Genesis Hlth System Dba Genesis Mdl Ctr-illini, and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1518952969
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ROY K WERNER SR.Credential: MD, MS
Location Address13448 S. CICERO AVENUECrestwood, IL 60445
Mailing Address10782 Greywall LnHuntley, IL 60142-4070 · (847) 669-5653
Phone(708) 682-3384
Fax(708) 682-3385
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateSeptember 13, 2005
Last NPPES UpdateJanuary 31, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 23, 2022
✔ NPI 1518952969 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 · 036115221
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.
13448 S. CICERO AVENUE, Crestwood, IL 60445
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Secondary Practice Location 1

Location 12525 S. Michigan Avenue, Department Of Emergency MedicineChicago, IL 60616-2000 · Phone (312) 567-2000

Other Identifiers 3

Medicaid0439125IA
Medicaid34711600WI
Other36372IA · Wellmark Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..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

Dr. Roy K Werner Sr. Md, Ms 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 ID8729064464
PECOS Enrollment IDI20060410000179
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

9

Medicare enrollment records show Roy Werner reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

New Rose Healthcare Management LLC
6.6 mi
Emergency Medicine
45 W 111TH ST
Chicago, IL 60628
  • Reassigned Medicare billing, Illinois enrollment
  • 43 clinicians in this Medicare group
NPI 1043816515 (773) 995-3000
Community First Healthcare Of Illinois, Inc.
21 mi
Diagnostic Radiology
5645 W ADDISON ST
Chicago, IL 60634
  • Reassigned Medicare billing, Illinois enrollment
  • 174 clinicians in this Medicare group
NPI 1053102269 (773) 282-7000
Physicians Immediate Care North Chicago LLC
21 mi
Urgent Care
4211 N CICERO AVE, SUITE 100
Chicago, IL 60641
  • Reassigned Medicare billing, Illinois enrollment
  • 366 clinicians in this Medicare group
NPI 1205814118 (815) 713-2738
Epss Peoria LLC
115 mi
Emergency Medicine
5409 N KNOXVILLE AVE, ER DEPARTMENT
Peoria, IL 61614
  • Reassigned Medicare billing, Illinois enrollment
  • 90 clinicians in this Medicare group
NPI 1831421056 (309) 689-8603
Epss, LLC- Metro Series
117 mi
Emergency Medicine
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • 52 clinicians in this Medicare group
NPI 1124782305 (309) 672-5522
Methodist Medical Center Of Illinois
117 mi
Psychiatric Unit
221 NE GLEN OAK AVE
Peoria, IL 61636
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1265966048 (Illinois)
  • 693 clinicians in this Medicare group
NPI 1275583155 (309) 672-5522
Epss LLC - Central Series
124 mi
Emergency Medicine
600 S 13TH ST
Pekin, IL 61554
  • Reassigned Medicare billing, Illinois enrollment
  • 92 clinicians in this Medicare group
NPI 1538680467 (817) 451-4208
Genesis Health System
139 mi
General Acute Care Hospital
801 ILLINI DR
Silvis, IL 61282
  • Reassigned Medicare billing, Illinois enrollment
  • 198 clinicians in this Medicare group
NPI 1427132604 (309) 281-4000
Wellnow Urgent Care, PC
598 mi
Urgent Care
7375 OSWEGO RD, SUITE1
Liverpool, NY 13090
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Wellnow Urgent Care, P.C.
  • 195 clinicians in this Medicare group
NPI 1669825162 (716) 699-9032

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 9

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 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.
102 services98 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
86 services84 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.
84 services80 patients
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.
74 services72 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.
73 services71 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.
36 services36 patients

Hospital Affiliations CMS Care Compare

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

Genesis Hlth System Dba Genesis Mdl Ctr-Illini

Acute Care Hospitals · Silvis, IL
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number140275
Location801 Illini DrSilvis, IL 61282 · Rock Island County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60445 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
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.

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 Roy Werner's NPI number?

The NPI number for Roy Werner is 1518952969. It was assigned to this individual provider in the NPPES registry on September 13, 2005.

Where is Roy Werner located?

Roy Werner practices at 13448 S. Cicero Avenue, Crestwood, IL 60445. The listed phone number is (708) 682-3384.

What is Roy Werner's specialty?

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

Is Roy Werner enrolled in Medicare?

Yes. Roy Werner 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 Roy Werner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roy Werner reassigns Medicare benefits to 9 organizations: New Rose Healthcare Management LLC (Chicago, IL), Community First Healthcare Of Illinois, Inc. (Chicago, IL), Physicians Immediate Care North Chicago LLC (Chicago, IL), Epss Peoria LLC (Peoria, IL), Epss, LLC- Metro Series (Peoria, IL) and 4 more organizations, listed in the Medicare section above. 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 Roy Werner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Roy Werner accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Roy Werner 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 Roy Werner affiliated with any hospitals?

According to CMS data, Roy Werner is affiliated with Genesis Hlth System Dba Genesis Mdl Ctr-Illini.

When was this NPI record last updated?

The NPPES record for Roy Werner was last updated on January 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.