DR. DEIRDRA GREATHOUSE-WILLIAMS MD
NPI 1871549238
Family Medicine in New Lenox, IL

Active since May 26, 2006PECOS EnrolledAccepts Medicare Assignment
1890 SILVER CROSS BLVD, SUITE 570, NEW LENOX, IL 60451(815) 463-3700(815) 463-3701 Get Directions Write a Review

NPPES record last updated: February 28, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Deirdra Greathouse-williams Md NPPES

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

DR. DEIRDRA GREATHOUSE-WILLIAMS MD (NPI 1871549238) is an individual family medicine provider in New Lenox, Illinois, licensed in Illinois (036114405) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Silver Cross Hospital And Medical Centers, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1871549238
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DEIRDRA GREATHOUSE-WILLIAMSCredential: MD
Location Address1890 SILVER CROSS BLVD, SUITE 570New Lenox, IL 60451-9524
Mailing Address1890 Silver Cross Blvd, Suite 570New Lenox, IL 60451-9524 · (815) 463-3700 · Fax (815) 463-3701
Fax(815) 463-3701
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 26, 2006
Last NPPES UpdateFebruary 28, 2013
NPI 1871549238 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses Licensed in IL · 036114405 Licensed in IN · 01061341A
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1890 SILVER CROSS BLVD, New Lenox, IL 60451

Other Identifiers 2

Medicaid036114405IL
Medicare UPINI45655

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. Deirdra Greathouse-williams Md 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 ID2163440884
PECOS Enrollment IDI20051115001029
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 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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
275 services110 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
88 services13 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
61 services61 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
57 services39 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
21 services14 patients

Hospital Affiliations CMS Care Compare

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

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60451 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
14 suppliers32 claims105 services$5.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine (Clinical Cardiac Electrophysiology)
1890 SILVER CROSS BLVD, PAVILION A SUITE 240
NEW LENOX, IL 60451
Family Medicine
1890 SILVER CROSS BLVD, SUITE 570
NEW LENOX, IL 60451
Internal Medicine
1890 SILVER CROSS BLVD, SUITE 265
NEW LENOX, IL 60451
Physician Assistant
1890 SILVER CROSS BLVD
NEW LENOX, IL 60451
Nurse Practitioner (Women's Health)
1890 SILVER CROSS BLVD, #210
NEW LENOX, IL 60451
Clinic/Center (Primary Care)
1890 SILVER CROSS BLVD, STE 350
NEW LENOX, IL 60451
Nurse Practitioner (Adult Health)
1890 SILVER CROSS BLVD, STE 350
NEW LENOX, IL 60451
Surgery
1890 SILVER CROSS BLVD, SUITE 410
NEW LENOX, IL 60451

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 Deirdra Greathouse-williams's NPI number?

The NPI number for Deirdra Greathouse-williams is 1871549238. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Deirdra Greathouse-williams located?

Deirdra Greathouse-williams practices at 1890 Silver Cross Blvd Suite 570, New Lenox, IL 60451. The listed phone number is (815) 463-3700.

What is Deirdra Greathouse-williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Deirdra Greathouse-williams enrolled in Medicare?

Yes. Deirdra Greathouse-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 Deirdra Greathouse-williams affiliated with any hospitals?

According to CMS data, Deirdra Greathouse-williams is affiliated with Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Deirdra Greathouse-williams was last updated on February 28, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.