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DAVID WILLIAMS M.D.
NPI 1356325328
Emergency Medicine in Chicago, IL

Active since December 02, 2005PECOS EnrolledAccepts Medicare Assignment
4801 S DREXEL BLVD, CHICAGO, IL 60615(708) 229-9500 Get Directions Write a Review

NPPES record last updated: May 29, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 29, 2020, May 10, 2018 (2 updates tracked since 2018).

About David Williams M.d. NPPES

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

DAVID WILLIAMS M.D. (NPI 1356325328) is an individual emergency medicine provider in Chicago, Illinois, licensed in Pennsylvania (MD447590) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with St Bernard Hospital, and is a graduate of Harvard Medical School (1991).

NPPES Registry Identity

NPI1356325328
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDAVID WILLIAMSCredential: M.D.
Location Address4801 S DREXEL BLVDChicago, IL 60615-1703
Mailing Address4801 S Drexel BlvdChicago, IL 60615-1703
Phone(708) 229-9500
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1991
Enumeration DateDecember 2, 2005
Last NPPES UpdateMay 29, 20202 updates tracked since enumeration
NPPES CertifiedMay 29, 2020
✔ NPI 1356325328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in PA · MD447590✔ Licensed in IL · 036.087673
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.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License 036087673 (IL)
4801 S DREXEL BLVD, Chicago, IL 60615
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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

David Williams M.d. 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 ID5395796197
PECOS Enrollment IDI20050209000696
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 3

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.
114 services107 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.
50 services40 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.
12 services11 patients

Hospital Affiliations CMS Care Compare 2

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

St Bernard Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140103
Location326 W 64th StChicago, IL 60621 · Cook County
Emergency services

South Shore Hospital

Acute Care Hospitals · Chicago, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number140181
Location8012 South Crandon AvenueChicago, IL 60617 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60615 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 David Williams's NPI number?

The NPI number for David Williams is 1356325328. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is David Williams located?

David Williams practices at 4801 S Drexel Blvd, Chicago, IL 60615. The listed phone number is (708) 229-9500.

What is David Williams's specialty?

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

Is David Williams enrolled in Medicare?

Yes. David 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.

Is David Williams affiliated with any hospitals?

According to CMS data, David Williams is affiliated with St Bernard Hospital and South Shore Hospital.

When was this NPI record last updated?

The NPPES record for David Williams was last updated on May 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.