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DR. CAROLINE A CASEY M.D.
NPI 1265422844
Obstetrics & Gynecology in Elmhurst, IL

Active since October 25, 2005PECOS EnrolledAccepts Medicare Assignment
360 W BUTTERFIELD RD, SUITE 250, ELMHURST, IL 60126(630) 832-4210(630) 832-8110 Get Directions Write a Review

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

About Dr. Caroline A Casey M.d. NPPES

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

DR. CAROLINE A CASEY M.D. (NPI 1265422844) is an individual obstetrics & gynecology provider in Elmhurst, Illinois, licensed in Illinois (036-088336) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Elmhurst Memorial Hospital, and is a graduate of Rush Medical College Of Rush University (1991).

NPPES Registry Identity

NPI1265422844
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. CAROLINE A CASEYCredential: M.D.
Location Address360 W BUTTERFIELD RD, SUITE 250Elmhurst, IL 60126-5068
Mailing Address360 W Butterfield Rd, Suite 250Elmhurst, IL 60126-5068 · (630) 832-4210 · Fax (630) 832-8110
Phone(630) 832-4210
Fax(630) 832-8110
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 1991
Enumeration DateOctober 25, 2005
Last NPPES UpdateOctober 18, 2022
NPPES CertifiedOctober 18, 2022
✔ NPI 1265422844 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 · 036-088336
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.
360 W BUTTERFIELD RD, Elmhurst, IL 60126
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Other Identifiers 1

Medicaid036088336IL

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

Dr. Caroline A Casey 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 ID2668553157
PECOS Enrollment IDI20080123000210
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 Caroline Casey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corporation
1.7 mi
Multi-Specialty
2025 WINDSOR DR
Oak Brook, IL 60523
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1700824455 (847) 390-5900

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 4

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.
44 services32 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.
35 services35 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
17 services17 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
13 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Elmhurst Memorial Hospital

Acute Care Hospitals · Elmhurst, IL
4/5 CMS rating
OwnershipProprietary
CMS Certification Number140200
Location155 East Brush Hill RoadElmhurst, IL 60126 · Du Page County
Emergency services Birthing friendly

Edward Hospital

Acute Care Hospitals · Naperville, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140231
Location801 South WashingtonNaperville, IL 60540 · Du Page County
Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
88%381 patients4/55-star benchmark: 92%
Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
96%864 patients
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
59%1,093 patients3/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 98% · 913 patients
Patients tobacco: 43% · 40 patients
95%912 patients4/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. JEFFREY W CHANDLER D.D.S.
Dentist (Oral and Maxillofacial Surgery)
360 W BUTTERFIELD RD, SUITE 220
ELMHURST, IL 60126
Dupage County (630) 833-0395
DR. WILLIAM A FITZMAURICE JR. M.D.
Obstetrics & Gynecology
360 W BUTTERFIELD RD, SUITE 250
ELMHURST, IL 60126
Dupage County (630) 832-4210
RYON MICHAEL HENNESSY MD
Orthopaedic Surgery
360 W BUTTERFIELD RD, SUITE 160
ELMHURST, IL 60126
Dupage County (630) 782-9600
ACHIEVE RECOVERY AND REHAB, INC.
Clinic/Center (Rehabilitation, Substance Use Disorder)
360 W BUTTERFIELD RD
ELMHURST, IL 60126
Dupage County (773) 286-3883
DARYL LEN OCONNOR MD
Orthopaedic Surgery
360 W BUTTERFIELD RD, SUITE 160
ELMHURST, IL 60126
Dupage County (630) 782-9600
DR. EVELYN E CHEN M.D.
Obstetrics & Gynecology
360 W BUTTERFIELD RD, SUITE 250
ELMHURST, IL 60126
Dupage County (630) 832-4210
DR. SUSAN FRANCES BURGESS DMD
Dentist
360 W BUTTERFIELD RD, SUITE 210
ELMHURST, IL 60126
Dupage County (630) 834-2270
FIRDAUSI F. MAZDA, M.D.,S.C.
Urology
360 W BUTTERFIELD RD, #245
ELMHURST, IL 60126
Dupage County (630) 941-2646

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 Caroline Casey's NPI number?

The NPI number for Caroline Casey is 1265422844. It was assigned to this individual provider in the NPPES registry on October 25, 2005.

Where is Caroline Casey located?

Caroline Casey practices at 360 W Butterfield Rd Suite 250, Elmhurst, IL 60126. The listed phone number is (630) 832-4210.

What is Caroline Casey's specialty?

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

Is Caroline Casey enrolled in Medicare?

Yes. Caroline Casey 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.

Which organization bills Medicare for Caroline Casey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Casey reassigns Medicare benefits to Advocate Health And Hospitals Corporation (Oak Brook, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Caroline Casey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Caroline Casey affiliated with any hospitals?

According to CMS data, Caroline Casey is affiliated with Elmhurst Memorial Hospital, Edward Hospital and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Caroline Casey was last updated on October 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.