DR. DANIEL WILLIAMS
NPI 1790956779
Emergency Medicine in Olympia Fields, IL

Active since March 18, 2008PECOS EnrolledAccepts Medicare Assignment
20201 CRAWFORD AVE, MIDWESTERN UNIVERSITY- CHICAGO COLL. OF OSTEO. MEDICINE, OLYMPIA FIELDS, IL 60461(800) 458-6253 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Daniel Williams NPPES

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

DR. DANIEL WILLIAMS (NPI 1790956779) is an individual emergency medicine provider in Olympia Fields, Illinois, licensed in Indiana (02003228A) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1790956779
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DANIEL WILLIAMS
Location Address20201 CRAWFORD AVE, MIDWESTERN UNIVERSITY- CHICAGO COLL. OF OSTEO. MEDICINEOlympia Fields, IL 60461-1010
Mailing Address453 E Maple CtGlenwood, IL 60425-1479 · (708) 753-1387
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMarch 18, 2008
Last NPPES UpdateDecember 14, 2021
NPI 1790956779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in IN · 02003228A
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.
20201 CRAWFORD AVE, Olympia Fields, IL 60461

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

Dr. Daniel Williams 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 ID1850466632
PECOS Enrollment IDI20090926000092
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.

Areas of Expertise CMS Part B claims

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.
20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60461 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.

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.

Hospitalist
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Hospitalist
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Physical Therapy Assistant
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Student in an Organized Health Care Education/Training Program
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Obstetrics & Gynecology
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Urology
20201 CRAWFORD AVE, ATTN: POSTDOCTORAL EDUCATION
OLYMPIA FIELDS, IL 60461
Pathology (Anatomic Pathology & Clinical Pathology)
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461
Anesthesiology
20201 CRAWFORD AVE
OLYMPIA FIELDS, IL 60461

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 Daniel Williams's NPI number?

The NPI number for Daniel Williams is 1790956779. It was assigned to this individual provider in the NPPES registry on March 18, 2008.

Where is Daniel Williams located?

Daniel Williams practices at 20201 Crawford Ave Midwestern University- Chicago Coll. Of Osteo. Medicine, Olympia Fields, IL 60461. The listed phone number is (800) 458-6253.

What is Daniel Williams's specialty?

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

Is Daniel Williams enrolled in Medicare?

Yes. Daniel Williams 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.

When was this NPI record last updated?

The NPPES record for Daniel Williams was last updated on December 14, 2021. 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.