Active NPI
Mark Anthony McKay Jr., MD
- Anesthesiology Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 335900
- Practice address
- University of Illinois Hospital, 1740 W. Taylor St.
Chicago, IL 60612 - Phone
- (866) 600-2273
- NPI assigned
- Apr 20, 2021
- Last updated
- Sep 15, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 335900 | NY | Primary |
Addresses
Primary practice location
University of Illinois Hospital, 1740 W. Taylor St.
Chicago, IL 60612
Mailing address
11911 Wake Bluff Drvie
Raleigh, NC 27614
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Meharry Medical College School of Medicine, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
530 1St Ave
New York, NY 10016-6402
550 1St Ave
New York, NY 10016-6402
Phone (212) 263-6037
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 335900 | NY | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| New York University | Current | Accepting new patients | |
| New York University | Anesthesiology | Current | Accepting new patients |
| New York University | Current | Accepting new patients |
Locations
530 1st Ave
New York, NY 10016
Phone (212) 263-7216
9785 Queens Blvd
Rego Park, NY 11374
Phone (631) 360-0266
13303 Jamaica Ave
Richmond Hill, NY 11418
Phone (718) 206-6942
Networks
- Healthfirst Medicare Network H5989
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
Interoperability endpoints
- mmckay115440@uihealth.direct-ci.com
- mmckay5323645@nychhc.direct-ci.com
- mmckay719106@nyumc.direct-ci.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba NYU Langone Ambulatory Care Chelsea
- Physical Medicine & Rehabilitation Physician
- Boynton Beach, FL
- NPI 1104787613
-
dba NYU Cardiology Associates
- Cardiovascular Disease Physician
- New York, NY
- NPI 1952392961
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Rehabilitation Hospital Unit
- New York, NY
- NPI 1275632895
-
dba NYU Langone Hospital Long Island
- General Acute Care Hospital
- Mineola, NY
- NPI 1427616002
-
- General Acute Care Hospital
- Brooklyn, NY
- NPI 1619341716
-
- General Acute Care Hospital
- New York, NY
- NPI 1669578324
-
- General Acute Care Hospital
- New York, NY
- NPI 1801992631
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1618876800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757894400000",
"number": "1841871829",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "11911 WAKE BLUFF DRVIE",
"city": "RALEIGH",
"state": "NC",
"postal_code": "27614"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "UNIVERSITY OF ILLINOIS HOSPITAL, 1740 W. TAYLOR ST.",
"city": "CHICAGO",
"state": "IL",
"postal_code": "60612",
"telephone_number": "866-600-2273"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCKAY",
"first_name": "MARK",
"middle_name": "ANTHONY",
"name_suffix": "Jr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-04-20",
"last_updated": "2025-09-15",
"certification_date": "2025-09-15",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "NY",
"license": "335900",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.