Rajeev Sareen, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

036069160 Issued in IL

Practice address

2121 Ridge Ave Ste 105
Aurora, IL 60504-7002

Phone

(331) 401-5786

Fax

(331) 401-5892

NPI assigned

Jul 29, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 3

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

Internal Medicine

Education

Other, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

93.41 of 100Reported as group

Quality

86.81

Improvement activities

40

Cost

77.34

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Cepamerica Illinois LLP

  • Emergency Medicine Physician
  • Elgin, IL
  • NPI 1912283110
  Medicare reassignment NPD
• Oasis Medical Practice LLC

  • Internal Medicine Physician
  • Naperville, IL
  • NPI 1700585056
  Medicare reassignment NPD
• Cep America - Illinois, LLP

  • Emergency Medicine Physician
  • Elgin, IL
  • NPI 1720448491
  NPD
• Cepamerica Illinois LLP

  • Emergency Medicine Physician
  • Springfield, IL
  • NPI 1871360297
  NPD
• Rajeev Sareen, MD

  • Emergency Medical Services (Emergency Medicine) Physician
  • Jourdanton, TX
  • NPI 1205026416
  NPD (past)

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

{
    "created_epoch": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1316947468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2121 RIDGE AVE STE 105",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605047002",
            "telephone_number": "331-401-5786",
            "fax_number": "331-401-5892"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2121 RIDGE AVE STE 105",
            "city": "AURORA",
            "state": "IL",
            "postal_code": "605047002",
            "telephone_number": "331-401-5786",
            "fax_number": "331-401-5892"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAREEN",
        "first_name": "RAJEEV",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036069160",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IL",
            "license": "036069160",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "930077303",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "139736620",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "139736624",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Joe L Santiago, D.C.
• Karla Santillan, MSW
• Elizabeth Anne Sapoznik
• Steven J Sapyta, MD
• David Sarcu, M.D.
• Sargent Solutions Inc.
• Joshua Grant Zaratan Saria
• Priscilla Ann Sarmiento-Gupana, D.O.
• Paul Sarun
• Satish K Gottumukkula DMD LTD

• Internal Medicine Physician in Aurora, IL
• Providers in Aurora, IL by specialty
• Internal Medicine Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 2026; 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.