KATHERINE M WILLIAMS MD
NPI 1396242053
Obstetrics & Gynecology in Skokie, IL

Q: What is Katherine Williams's NPI number?

The NPI number for Katherine Williams is 1396242053. It was assigned to this individual provider in the NPPES registry on April 10, 2018.

Q: What is Katherine Williams's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since April 10, 2018PECOS EnrolledAccepts Medicare Assignment

75.35/100

CMS Quality Rating

4905 OLD ORCHARD CTR STE 200, SKOKIE, IL 60077(847) 499-2648 Get Directions Write a Review

NPPES record last updated: October 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 25, 2022, Apr 10, 2018 (2 updates tracked since 2018).

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About Katherine M Williams Md NPPES

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

KATHERINE M WILLIAMS MD (NPI 1396242053) is an individual obstetrics & gynecology provider in Skokie, Illinois, licensed in Illinois (036.162289) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Oakland Univ, William Beaumont School Of Medicine (2018).

NPPES Registry Identity

NPI1396242053

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameKATHERINE M WILLIAMSCredential: MD

Location Address4905 OLD ORCHARD CTR STE 200Skokie, IL 60077-1462

Mailing Address2801 Lakeside Dr Ste 209Bannockburn, IL 60015-1200 · (847) 562-1410

Phone(847) 499-2648

Sole ProprietorNo

Medical School CMSOakland Univ, William Beaumont School Of MedicineGraduated 2018

Enumeration DateApril 10, 2018

Last NPPES UpdateOctober 25, 20222 updates tracked since enumeration

NPPES CertifiedOctober 25, 2022

✔ NPI 1396242053 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036.162289

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

4905 OLD ORCHARD CTR STE 200, Skokie, IL 60077

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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 and accepts Medicare assignment

Katherine M 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 ID1052668365

PECOS Enrollment IDI20221021001594

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 Reassignment

Medicare enrollment records show Katherine Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Midwest Center For Women's Health Care, Ltd.

12 mi

Obstetrics & Gynecology

2801 LAKESIDE DR STE 209
Bannockburn, IL 60015

Reassigned Medicare billing, Illinois enrollment
120 clinicians in this Medicare group

NPI 1447200654 (847) 562-1410

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.

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.

27 services23 patients

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101

This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.

18 services18 patients

Screening 3d breast mammography 77063

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

16 services16 patients

Screening mammography 77067

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

16 services16 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.

14 services12 patients

Hospital Affiliations CMS Care Compare

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

Northshore University Healthsystem - Evanston Hospital

Acute Care Hospitals · Evanston, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140010

Location2650 Ridge AveEvanston, IL 60201 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60077 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

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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.

75.35/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

89.73

Promoting Interoperability

100

Improvement Activities

Cost

28.1

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA PEARLMAN MD

Obstetrics & Gynecology