Individual provider Active NPI

Nicolas D Ramsay, MD

  • Emergency Medicine Physician
  • Chicago, IL
National Provider Identifier
1164047320
Registry record updated Jun 13, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
125.075944 Issued in IL
Practice address
1750 W Harrison St Ste 108
Chicago, IL 60612-3825
Phone
(312) 942-7100
NPI assigned
Jun 13, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 13, 2020

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 125.075944 IL Primary

Addresses

Primary practice location

1750 W Harrison St Ste 108
Chicago, IL 60612-3825

Mailing address

1750 W Harrison St Ste 108
Chicago, IL 60612-3825
Phone (312) 942-7100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230804001811 IL Practitioner - Emergency Medicine 6103244280 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Florida International Univ, College of Medicine, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Emergency Physicians LLCGroup PAC ID 1850657180, 44 clinicians
Rush University Medical GroupGroup PAC ID 5496658874, 1,521 clinicians
Rush Oak Park ER Physicians GroupGroup PAC ID 8820190606, 29 clinicians

Practice addresses (Care Compare)

2000 Ogden Ave
Aurora, IL 60504-7222
Phone (630) 978-6200

520 S Maple Ave
Oak Park, IL 60304-1022
Phone (708) 660-2240

Hospital & facility affiliations

  • Rush Oak Park Hospital Hospital, Oak Park, IL, CCN 140063
  • Copley Memorial Hospital Hospital, Aurora, IL, CCN 140029

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
125.075944ILMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rush University Medical Center CurrentSince Aug 1, 2025 Accepting new patients
Rush Oak Park ER Physicians Group CurrentSince Jul 1, 2023 Accepting new patients
Rush University Medical Group Emergency Medicine CurrentSince Aug 1, 2025 Accepting new patients
Aurora Emergency Physicians, LLC Emergency Medicine CurrentSince Jan 1, 2026 Accepting new patients
Aurora Emergency Physicians, LLC Emergency Medicine CurrentSince Jan 1, 2026 Accepting new patients

Locations

5665 New Northside Dr
Ste 320
Sandy Springs, GA 30328
Phone (770) 874-5468

2000 Ogden Ave
Aurora, IL 60504
Phone (630) 466-8200

1750 W Harrison St
Ste 108
Chicago, IL 60612
Phone (312) 942-7802

75 Remittance Dr
Dept 1620
Chicago, IL 60675

1700 W Van Buren St
#500
Chicago, IL 60612
Phone (312) 563-2875

1653 W Congress Pkwy
Chicago, IL 60612
Phone (312) 942-3138

75 Remittance Dr
Dept 1611
Chicago, IL 60675

520 S Maple Ave
Oak Park, IL 60304
Phone (708) 383-9300

1122 W Veterans Pkwy
Yorkville, IL 60560
Phone (630) 466-8200

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/14272/brand/70/csg/1/fhir/r4

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1592006400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1592006400000",
    "number": "1164047320",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1750 W HARRISON ST STE 108",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123825",
            "telephone_number": "312-942-7100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1750 W HARRISON ST STE 108",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123825",
            "telephone_number": "312-942-7100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAMSAY",
        "first_name": "NICOLAS",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-06-13",
        "last_updated": "2020-06-13",
        "certification_date": "2020-06-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "125.075944",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.