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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOLLY K O'BRIEN PA-C
NPI 1437713930
Physician Assistant in Winfield, IL

Active since April 30, 2019PECOS Enrolled
93.08/100
CMS Quality Rating
0S036 CHURCH ST STE 200, WINFIELD, IL 60190(630) 315-6500(630) 315-6519 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 24, 2026, May 19, 2020, Apr 30, 2019 (3 updates tracked since 2019).

About Molly K O'brien Pa-c NPPES

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

MOLLY K O'BRIEN PA-C (NPI 1437713930) is an individual physician assistant in Winfield, Illinois, licensed in Illinois (085007099) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Northshore University Healthsystem - Evanston Hospital, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1437713930
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMOLLY K O'BRIENCredential: PA-C
Location Address0S036 CHURCH ST STE 200Winfield, IL 60190-1203
Mailing Address0s036 Church St Ste 200Winfield, IL 60190-1203 · (630) 315-6500 · Fax (630) 315-6519
Phone(630) 315-6500
Fax(630) 315-6519
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 30, 2019
Last NPPES UpdateAugust 24, 20263 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1437713930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in IL · 085007099
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Also ListedPhysician Assistant · SurgicalTaxonomy 363AS0400X · License 085007099 (IL)
0S036 CHURCH ST STE 200, Winfield, IL 60190
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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

Molly K O'brien Pa-c 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 ID7517362247
PECOS Enrollment IDI20210818003824
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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
31 services24 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
15 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 60190 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
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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.

93.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.79
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES

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

KATIE HULETT CO
Technician/Technologist (Orthoptist)
0S036 CHURCH ST STE 200
WINFIELD, IL 60190
Dupage County (331) 732-4378

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 Molly O'brien's NPI number?

The NPI number for Molly O'brien is 1437713930. It was assigned to this individual provider in the NPPES registry on April 30, 2019.

Where is Molly O'brien located?

Molly O'brien practices at 0s036 Church St Ste 200, Winfield, IL 60190. The listed phone number is (630) 315-6500.

What is Molly O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Molly O'brien enrolled in Medicare?

Yes. Molly O'brien 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 Molly O'brien affiliated with any hospitals?

According to CMS data, Molly O'brien is affiliated with Northshore University Healthsystem - Evanston Hospital.

When was this NPI record last updated?

The NPPES record for Molly O'brien was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.