MARY ASHLEY
NPI 1487331823
Physician Assistant in Oak Lawn, IL

Active since June 28, 2023PECOS EnrolledAccepts Medicare Assignment
4440 W 95TH ST, OAK LAWN, IL 60453(708) 684-5354 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Mary Ashley NPPES

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

MARY ASHLEY (NPI 1487331823) is an individual physician assistant in Oak Lawn, Illinois, licensed in Illinois (085.010011) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1487331823
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY ASHLEY
Location Address4440 W 95TH STOak Lawn, IL 60453-2600
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 28, 2023
Last NPPES UpdateDecember 9, 2025
NPPES CertifiedDecember 9, 2025
✔ NPI 1487331823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in IL · 085.010011
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.
4440 W 95TH ST, Oak Lawn, IL 60453

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

Mary Ashley 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 ID6800243874
PECOS Enrollment IDI20231113002516
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.

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.
95 services93 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.
35 services35 patients

Hospital Affiliations CMS Care Compare 4

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

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140007
Location333 N Madison StJoliet, IL 60435 · Will County
Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140208
Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County
Emergency services Birthing friendly

Advocate Lutheran General Hospital

Acute Care Hospitals · Park Ridge, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140223
Location1775 Dempster StPark Ridge, IL 60068 · Cook County
Emergency services Birthing friendly

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140258
Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60453 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
$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.

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.

Urology
4440 W 95TH ST
OAK LAWN, IL 60453
Internal Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Psychologist (Clinical)
4440 W 95TH ST
OAK LAWN, IL 60453
Occupational Therapist (Physical Rehabilitation)
4440 W 95TH ST
OAK LAWN, IL 60453
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453
Occupational Therapist
4440 W 95TH ST
OAK LAWN, IL 60453
Emergency Medicine
4440 W 95TH ST
OAK LAWN, IL 60453
Speech-Language Pathologist
4440 W 95TH ST
OAK LAWN, IL 60453

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 Mary Ashley's NPI number?

The NPI number for Mary Ashley is 1487331823. It was assigned to this individual provider in the NPPES registry on June 28, 2023.

Where is Mary Ashley located?

Mary Ashley practices at 4440 W 95th St, Oak Lawn, IL 60453. The listed phone number is (708) 684-5354.

What is Mary Ashley's specialty?

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

Is Mary Ashley enrolled in Medicare?

Yes. Mary Ashley 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 Mary Ashley affiliated with any hospitals?

According to CMS data, Mary Ashley is affiliated with Presence Saint Joseph Medical Center, Advocate Christ Hospital & Medical Center, Advocate Lutheran General Hospital and Alexian Brothers Medical Center 1.

When was this NPI record last updated?

The NPPES record for Mary Ashley was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.