RACHEL KATHERINE HARRISON MD
NPI 1164764874
Obstetrics & Gynecology - Maternal & Fetal Medicine in Oak Lawn, IL

Q: What is Rachel Harrison's NPI number?

The NPI number for Rachel Harrison is 1164764874. It was assigned to this individual provider in the NPPES registry on March 20, 2013.

Q: What is Rachel Harrison's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Q: When was this NPI record last updated?

The NPPES record for Rachel Harrison was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since March 20, 2013PECOS EnrolledAccepts Medicare Assignment

4400 W 95TH ST STE 207, OAK LAWN, IL 60453(708) 684-4636 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2025, Dec 15, 2021, Aug 18, 2017 (3 updates tracked since 2017).

On this page

About Rachel Katherine Harrison Md NPPES

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

RACHEL KATHERINE HARRISON MD (NPI 1164764874) is an individual maternal & fetal medicine provider in Oak Lawn, Illinois, licensed in Wisconsin (67082) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2013).

NPPES Registry Identity

NPI1164764874

Entity TypeIndividualFemale

Primary Taxonomy207VM0101X

Provider Legal NameRACHEL KATHERINE HARRISONCredential: MD

Location Address4400 W 95TH ST STE 207Oak Lawn, IL 60453-2658

Mailing Address29373 Network PlChicago, IL 60673-1293

Phone(708) 684-4636

Sole ProprietorNo

Medical School CMSWayne State University School Of MedicineGraduated 2013

Enumeration DateMarch 20, 2013

Last NPPES UpdateAugust 12, 20253 updates tracked since enumeration

NPPES CertifiedAugust 12, 2025

✔ NPI 1164764874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207VM0101X

Licenses✔ Licensed in WI · 67082✔ Licensed in IL · 036-152870

Definition

An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.

4400 W 95TH ST STE 207, Oak Lawn, IL 60453

Open in Google Maps ↗

Other Identifiers 1

Medicaid1164764874WI

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

Rachel Katherine Harrison 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 ID9133439490

PECOS Enrollment IDI20201015000085

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 Rachel Harrison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health & Hospitals Corporation

Same address

Medical Specialty

4440 W 95TH ST
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Advocate Health And Hospitals Corporation
4,870 clinicians in this Medicare group

NPI 1912936014 (847) 390-5900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

$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.

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.

ALYSSA M MONSIVAIS APN-CNM

Advanced Practice Midwife