Individual provider Active NPI

Asim Mahmood, M.D.

  • Anesthesiology Physician
  • Zion, IL
National Provider Identifier
1144260696
Registry record updated Oct 21, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
036107675 Issued in IL
Practice address
Cancer Treatment Centers of America
2520 Elisha Avenue
Zion, IL 60099
Phone
(800) 322-9183
NPI assigned
Jun 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 21, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X 036107675 IL Primary
Interventional Pain Medicine Physician 208VP0014X 036107675 IL

Addresses

Primary practice location

Cancer Treatment Centers of America
2520 Elisha Avenue
Zion, IL 60099

Mailing address

Cancer Treatment Centers of America
2361 Paysphere Circle
Chicago, IL 60674
Phone (800) 322-9183

Other practice location 1

155 E Brush Hill Rd
Elmhurst, IL 60126-5658
Phone (331) 221-1000

Other practice location 2

1775 Dempster St
Park Ridge, IL 60068-1143
Phone (847) 723-2210

Other identifiers 1

IdentifierTypeStateIssuer
036107675MedicaidIL

Electronic endpoints 2

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other ABILITY Network
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, WI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20080507000619 IL Practitioner - Anesthesiology 1153400742 Reassigns benefits to 5 organizations
I20260320003020 WI Practitioner - Anesthesiology 1153400742 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians
Vituity-Wisconsin Anesthesia SCGroup PAC ID 2163968819, 144 clinicians

Practice addresses (Care Compare)

155 E Brush Hill Rd
Elmhurst, IL 60126-5658
Phone (331) 221-0096

177 E Brush Hill Rd
Elmhurst, IL 60126-5658
Phone (630) 646-6020

1775 Dempster St
Park Ridge, IL 60068-1143
Phone (847) 723-9454

2650 Ridge Ave
Evanston, IL 60201-1700

9555 76TH St
Pleasant Prairie, WI 53158-1984
Phone (262) 577-8000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.9 of 100Reported as group
Quality
75.91
Promoting interoperability
99
Improvement activities
40
Cost
74.6

Merit-based Incentive Payment System (MIPS)

Final score
86.5 of 100Reported as group
Quality
74.24
Promoting interoperability
100
Improvement activities
40
Cost
66.56

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Anesthesiologists, SC Anesthesiology CurrentSince Jun 10, 2024 Accepting new patients
Endeavor Health Medical Group Anesthesiology Current Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Sep 15, 2025 Accepting new patients
Advocate Health & Hospitals Corporation CurrentSince Sep 15, 2025 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
Endeavor Health Medical Group Anesthesiology CurrentSince Aug 30, 2024 Accepting new patients
North American Partners in Anesthesia (Illinois), LLC Anesthesiology CurrentSince Nov 5, 2024 Accepting new patients
Associated Anesthesiologists, S.C. Anesthesiology CurrentSince Jun 10, 2024 Accepting new patients
Burlington Anesthesia Associates, PA Anesthesiology Past Accepting new patients

Locations

3249 Oak Park Ave
Berwyn, IL 60402
Phone (708) 783-2696

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

29373 Network Pl
Chicago, IL 60673

9532 Eagle Way
Chicago, IL 60678

155 E Brush Hill Rd
Elmhurst, IL 60126
Phone (331) 221-3521

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

1775 W Dempster St
Park Ridge, IL 60068
Phone (847) 723-5150

530neglen Oak Ave
Peoria, IL 61637
Phone (309) 692-5393

6742 N Frostwood Pkwy
Peoria, IL 61615
Phone (309) 692-5393

5666 E State St
Rockford, IL 61108
Phone (815) 226-2000

Interoperability endpoints

  • Direct secure messaging: amahmood962045@direct.froedtert.com

Organizations & group practices 11

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.

Hospital & facility affiliations 3

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": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761004800000",
    "number": "1144260696",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "CANCER TREATMENT CENTERS OF AMERICA",
            "address_2": "2361 PAYSPHERE CIRCLE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60674",
            "telephone_number": "800-322-9183"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CANCER TREATMENT CENTERS OF AMERICA",
            "address_2": "2520 ELISHA AVENUE",
            "city": "ZION",
            "state": "IL",
            "postal_code": "60099",
            "telephone_number": "800-322-9183"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "155 E Brush Hill Rd",
            "address_purpose": "LOCATION",
            "city": "Elmhurst",
            "state": "IL",
            "postal_code": "601265658",
            "country_code": "US",
            "telephone_number": "331-221-1000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1775 Dempster St",
            "address_purpose": "LOCATION",
            "city": "Park Ridge",
            "state": "IL",
            "postal_code": "600681143",
            "country_code": "US",
            "telephone_number": "847-723-2210",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAHMOOD",
        "first_name": "ASIM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-06",
        "last_updated": "2025-10-21",
        "certification_date": "2025-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "IL",
            "license": "036107675",
            "primary": true
        },
        {
            "code": "208VP0014X",
            "taxonomy_group": "",
            "desc": "Pain Medicine, Interventional Pain Medicine",
            "state": "IL",
            "license": "036107675",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "036107675",
            "state": "IL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "ABILITY Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "address_2": "SteB",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1775 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Zion, IL

Sources for this page

Verify at the official NPI Registry.