Gaurav Alreja, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

35C.003571 Issued in OH

Practice address

6061 Broadway
Merrillville, IN 46410-2619

Phone

(219) 884-2640

Fax

(219) 884-2810

NPI assigned

May 13, 2008

Last updated

Aug 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in IN, IL, AL, OH, GA5 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 5

Specialty

Nephrology

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

24 On Physician Partners PCGroup PAC ID 1557613130, 31 clinicians

Sound Physicians of Indiana LLCGroup PAC ID 4981841780, 76 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Methodist Hospitals Inc Hospital, Gary, IN, CCN 150002
• St Mary Medical Center Inc Hospital, Hobart, IN, CCN 150034
• St Catherine Hospital Inc Hospital, East Chicago, IN, CCN 150008
• Powers Health Rehabilitation Center Inpatient rehabilitation facility, Crown Point, IN, CCN 153045

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: galreja42447@direct.acumenmd.com

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.

• 24 On Physician Partners, PC

  • Hospitalist Physician
  • Hobart, IN
  • NPI 1013497106
  Medicare reassignment Care Compare group NPD
• Sound Physicians of Indiana, LLC

  • Hospitalist Physician
  • Gary, IN
  • NPI 1528311149

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Hospital Medicine Services of Ga LLC

  • Hospitalist Physician
  • Savannah, GA
  • NPI 1891653655
  Medicare reassignment
• Rosewood Hills Healthcare PC

  • Internal Medicine Physician
  • Birmingham, AL
  • NPI 1922891969

  GA

  Medicare reassignment
• Tapestry Telehealth PLLC

  • Geriatric Medicine (Internal Medicine) Physician
  • Chillicothe, OH
  • NPI 1992215446

  AL, GA, IL

  Medicare reassignment
• Topaz Bay Senior Health PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Hoboken, NJ
  • NPI 1194518134

  AL

  Medicare reassignment
• Sound Physicians of Indiana, LLC

  dba Sound Physicinas of Indiana

  • Hospitalist Physician
  • Terre Haute, IN
  • NPI 1184063257

  Internal Medicine

  NPD
• Baystate Affiliated Practice Organization

  • Internal Medicine Physician
  • Springfield, MA
  • NPI 1043256043
  NPD (past)

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

• Community Stroke and Rehabilitation Center Inc

  dba Powers Health Rehabilitation Center

  • Rehabilitation Hospital
  • Crown Point, IN
  • NPI 1801301437

  Inpatient rehabilitation facility

  Care Compare affiliation
• St Catherine Hospital Inc

  • General Acute Care Hospital
  • East Chicago, IN
  • NPI 1689776882
  Care Compare affiliation
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1558463745
  Care Compare affiliation
• St Mary Medical Center Inc

  dba St Mary Wound Clinic

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1962504175
  Care Compare affiliation
• The Methodist Hospitals, Inc

  • General Acute Care Hospital
  • Gary, IN
  • NPI 1467504555
  Care Compare affiliation

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

{
    "created_epoch": "1210636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1639346380",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 W 22ND ST STE 200",
            "city": "OAK BROOK",
            "state": "IL",
            "postal_code": "605231563",
            "telephone_number": "630-575-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6061 BROADWAY",
            "city": "MERRILLVILLE",
            "state": "IN",
            "postal_code": "464102619",
            "telephone_number": "219-884-2640",
            "fax_number": "219-884-2810"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3500 Franciscan Way",
            "address_purpose": "LOCATION",
            "city": "Michigan City",
            "state": "IN",
            "postal_code": "463600021",
            "country_code": "US",
            "telephone_number": "219-852-1524",
            "fax_number": "219-933-2288",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "502 W 4th Ave",
            "address_purpose": "LOCATION",
            "city": "Toppenish",
            "state": "WA",
            "postal_code": "989481616",
            "country_code": "US",
            "telephone_number": "303-390-1940",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ALREJA",
        "first_name": "GAURAV",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-13",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WA",
            "license": "IMLC.MD.70137464",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35C.003571",
            "primary": true
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "IN",
            "license": "01076949A",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IN",
            "license": "01076949A",
            "primary": false
        }
    ],
    "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": []
}

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• Internal Medicine Physician in Merrillville, IN
• Providers in Merrillville, IN by specialty
• Internal Medicine Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.