Mark Andrew Gromski, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

01073629A Issued in IN

Practice address

1701 N Senate Blvd
Indianapolis, IN 46202-1239

Phone

(888) 484-3258

NPI assigned

Jun 2, 2011

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 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

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

GastroenterologyAlso: Internal Medicine

Education

Other, 2011

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Indiana University Health Hospital, Indianapolis, IN, CCN 150056

Merit-based Incentive Payment System (MIPS)

Final score

91.05 of 100Reported as apm

Quality

72.1

Promoting interoperability

100

Improvement activities

40

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgromski13939@direct.eskenazihealth.edu

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.

• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• University Medical Diagnostic Associates, Inc.

  • Internal Medicine Physician
  • Indianapolis, IN
  • NPI 1861441537
  Medicare reassignment NPD
• Major Hospital

  • General Acute Care Hospital
  • Shelbyville, IN
  • NPI 1174555692
  NPD (past)
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation

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

{
    "created_epoch": "1306972800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741737600000",
    "number": "1255625679",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959",
            "telephone_number": "877-668-5621"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1701 N SENATE BLVD",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462021239",
            "telephone_number": "888-484-3258"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "550 University Blvd Ste 1634",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025149",
            "country_code": "US",
            "telephone_number": "317-944-0980",
            "fax_number": "317-968-1265",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GROMSKI",
        "first_name": "MARK",
        "middle_name": "ANDREW",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-06-02",
        "last_updated": "2025-03-12",
        "certification_date": "2025-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "248129",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IN",
            "license": "01073629A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300004305",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgromski@direct.iuhealth.org",
            "affiliation": "N",
            "address_1": "330 Brookline Ave",
            "address_2": "Deaconess 300",
            "city": "Boston",
            "state": "MA",
            "country_code": "US",
            "postal_code": "022155400",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mgromski@iu.edu",
            "affiliation": "N",
            "address_1": "1701 N Senate Blvd",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462021239",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Terence M Grogan, DO
• Jordan Grogg
• Corey Nathanial Groh, D.P.M.
• Marleana Leann Groh, NP
• John Gromer, D.D.S.
• Josie Gronbach
• Melissa Gronceski, MD
• Madison Marie Groninger, FNP-BC
• Nolan W. Groninger, MPH
• Sandra K Groninger, FNP

• Gastroenterology Physician in Indianapolis, IN
• Providers in Indianapolis, IN by specialty
• Gastroenterology Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 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.