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OLIVIA ROSE RAMSEY MD
NPI 1316529977
Hospitalist in Chicago, IL

Active since April 23, 2021PECOS Enrolled
1620 W HARRISON ST, CHICAGO, IL 60612(312) 942-5000 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2023, Jun 24, 2023, Apr 23, 2021 (3 updates tracked since 2021).

About Olivia Rose Ramsey Md NPPES

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

OLIVIA ROSE RAMSEY MD (NPI 1316529977) is an individual hospitalist provider in Chicago, Illinois, licensed in Illinois (036.180439) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Louisville School Of Medicine (2023).

NPPES Registry Identity

NPI1316529977
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameOLIVIA ROSE RAMSEYCredential: MD
Location Address1620 W HARRISON STChicago, IL 60612-3801
Mailing Address1620 W Harrison StChicago, IL 60612-3801 · (312) 942-5000
Phone(312) 942-5000
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2023
Enumeration DateApril 23, 2021
Last NPPES UpdateJune 9, 20263 updates tracked since enumeration
NPPES CertifiedJune 9, 2026
✔ NPI 1316529977 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036.180439
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
1620 W HARRISON ST, Chicago, IL 60612
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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 (PECOS)

Olivia Rose Ramsey Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870941578
PECOS Enrollment IDI20260616002194
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 Reassignments

2

Medicare enrollment records show Olivia Ramsey reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush Medical Group
Same address
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 548 clinicians in this Medicare group
NPI 1467312850 (312) 942-5000
Rush University Medical Group
Same address
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group
NPI 1093819542 (312) 942-5000

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 60612 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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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.

NICHOLAS RIGLER
Internal Medicine
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
KABEER RAJAN MASIH MD
Radiology (Vascular & Interventional Radiology)
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
MARGARET C SCHERMERHORN MD
Obstetrics & Gynecology
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
ANDREW MAX MELCHIORIS MD, MBA
Internal Medicine
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (314) 942-5000
NICOLE HALEY SULIMA DNP
Nurse Practitioner (Gerontology)
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
KRINA PATEL MD
Psychiatry & Neurology (Psychiatry)
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
LAYNE MITCHELL BESSA
Registered Nurse
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5000
COLETTE MITCHELL OT
Occupational Therapist
1620 W HARRISON ST
CHICAGO, IL 60612
Cook County (312) 942-5800

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 Olivia Ramsey's NPI number?

The NPI number for Olivia Ramsey is 1316529977. It was assigned to this individual provider in the NPPES registry on April 23, 2021.

Where is Olivia Ramsey located?

Olivia Ramsey practices at 1620 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-5000.

What is Olivia Ramsey's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Olivia Ramsey enrolled in Medicare?

Yes. Olivia Ramsey is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Olivia Ramsey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Ramsey reassigns Medicare benefits to 2 organizations: Rush Medical Group (Chicago, IL) and Rush University Medical Group (Chicago, IL). Each 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 Olivia Ramsey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Olivia Ramsey was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.