Casey Nejad Gashti, MD

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

License

036.113657 Issued in IL

Practice address

104 S Ashland Ave
Chicago, IL 60607-2402

Phone

(312) 850-8434

Fax

(312) 850-8431

NPI assigned

Mar 1, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Specialty

Nephrology

Education

Indiana University School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Edmund J Lewis MD and AssociatesGroup PAC ID 6305860586, 5 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Circle Medical Management Dialysis facility, Chicago, IL, CCN 142540
• FMC - Medical Care Chicago Dialysis facility, Chicago, IL, CCN 142506
• Rush University Medical Center Hospital, Chicago, IL, CCN 140119
• Rush Oak Park Hospital Hospital, Oak Park, IL, CCN 140063

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: cgashti74677@direct.acumenmd.com
• Direct secure messaging: cgashti5742@direct.rush.rush-health.com

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.

• Edmund J Lewis M D & Associates

  • Nephrology Physician
  • Chicago, IL
  • NPI 1588676944

  Specialist

  Medicare reassignment Care Compare group NPD
• Nephrology Associates of Northern Illinois, LTD.

  • Nephrology Physician
  • Oak Brook, IL
  • NPI 1124069182
  NPD (past)
• SRS-Chicago Circle, LLC

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Chicago, IL
  • NPI 1497402770
  NPD (past)

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

• Circle Medical Management, Inc.

  • Specialist
  • Chicago, IL
  • NPI 1184636516

  Dialysis facility

  Care Compare affiliation Name & address match
• SRS-Chicago Circle, LLC

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Chicago, IL
  • NPI 1497402770

  Dialysis facility

  Care Compare affiliation Name & address match
• Rush Oak Park Hospital Inc

  • General Acute Care Hospital
  • Oak Park, IL
  • NPI 1558391706
  Care Compare affiliation
• Rush University Medical Center

  • Children's Hospital
  • Chicago, IL
  • NPI 1801908728
  Care Compare affiliation
• Rush University Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1932213600
  Care Compare affiliation

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

{
    "created_epoch": "1172707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745884800000",
    "number": "1285762252",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231557",
            "telephone_number": "630-573-5000",
            "fax_number": "630-368-0280"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "104 S ASHLAND AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606072402",
            "telephone_number": "312-850-8434",
            "fax_number": "312-850-8431"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GASHTI",
        "first_name": "CASEY",
        "middle_name": "NEJAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-03-01",
        "last_updated": "2025-04-29",
        "certification_date": "2025-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IL",
            "license": "036.113657",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "credentialing@nephdocs.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "120 W 22nd St Ste 200",
            "city": "Oak Brook",
            "state": "IL",
            "country_code": "US",
            "postal_code": "605231563",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Steven Garzon
• Samantha Gasaway, LCPC
• Sarah Gascoigne, LCSW
• David Gaseor, DACM, LAC
• Margaret K Gashkoff, DMD
• Frank James Gasior, DDS
• Joseph Paul Gasior, DC
• Justine S Gasior, DDS
• Alexis Gasiorowski, APRN
• Anne Caitlin Gaske, M.A., PSY.D.

• Nephrology Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Nephrology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.

Verify at the official NPI Registry.