Megan Katherine Mercer, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

1017144 Issued in MA

Practice address

75 Francis St
Boston, MA 02115-6106

Phone

(617) 732-5500

NPI assigned

Apr 3, 2017

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MA, IN2 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

Specialty

Diagnostic Radiology

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Indiana University Radiology Associates IncGroup PAC ID 7315922267, 213 clinicians

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
• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024
• Indiana University Health North Hospital Hospital, Carmel, IN, CCN 150161
• Iu Health West Hospital Hospital, Avon, IN, CCN 150158

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mmercer143321@direct.eskenazihealth.edu
• Direct secure messaging: mmercer@direct.iuhealth.org

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.

• Indiana University Radiology Associates, Inc.

  • Diagnostic Radiology Physician
  • Indianapolis, IN
  • NPI 1336192665
  Medicare reassignment Care Compare group NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• Brigham & Womens Physicians Organization Inc

  • Internal Medicine Physician
  • Boston, MA
  • NPI 1033535497
  Medicare reassignment NPD
• Harbor Medical Associates, Inc.

  • Cardiovascular Disease Physician
  • South Weymouth, MA
  • NPI 1124079561
  Medicare reassignment NPD
• Harbor Medical Associates, Inc.

  dba Physician Diagnostics

  • Diagnostic Radiology Physician
  • S Weymouth, MA
  • NPI 1689909723
  NPD

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

• Indiana University Health North Hospital Inc

  dba IU Health North Hospital

  • General Acute Care Hospital
  • Carmel, IN
  • NPI 1568492916
  Care Compare affiliation Name & address match
• Indiana University Health West Hospital Inc

  dba IU Health West Hospital

  • General Acute Care Hospital
  • Avon, IN
  • NPI 1063443455
  Care Compare affiliation Name & address match
• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  dba Eskenazi Health Midtown Narcotics Treatment Program

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1491177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1356873756",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156106",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "317-962-6793",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1701 N Senate Blvd",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462021239",
            "country_code": "US",
            "telephone_number": "317-962-6793",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "169 Ashley Avenue",
            "address_2": "Room 202, Main Hospital, MSC 333",
            "address_purpose": "LOCATION",
            "city": "Charleston",
            "state": "SC",
            "postal_code": "29425",
            "country_code": "US",
            "telephone_number": "502-852-5666",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERCER",
        "first_name": "MEGAN",
        "middle_name": "KATHERINE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-03",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IN",
            "license": "01096489A",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "MA",
            "license": "1017144",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "SC",
            "license": "LL84130",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmercer@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "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": []
}

• Jorge Mercado
• Rosa M Mercado
• Sammantha Ivette Mercado
• Natalie C Mercedes-Rodda
• Evan Taylor Mercer
• Robert Ralph Mercer, DDS
• Ronald William Mercer, MD
• Elisabeth Ann Merchant, M.D.
• Emily Merchant
• Rutvij Rajiv Merchant, MD

• Diagnostic Radiology Physician in Boston, MA
• Providers in Boston, MA by specialty
• Diagnostic Radiology Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 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.