Mark D O'Brien, D.O.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

02001451A Issued in IN

Practice address

6507 E State Blvd
Fort Wayne, IN 46815-7026

Phone

(260) 486-3300

Fax

(260) 486-3600

NPI assigned

Sep 22, 2006

Last updated

Apr 14, 2025By 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 1

Addresses

Other identifiers 2

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in IN

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mobrien11952@direct.parkviewexchange.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.

• Parkview Health System Inc

  dba Parkview Physicians Group

  • Family Medicine Physician
  • Fort Wayne, IN
  • NPI 1932130952

  Pediatrics

  Medicare reassignment NPD

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

{
    "created_epoch": "1158883200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1265532212",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11109 PARKVIEW PLAZA DR # 117",
            "city": "FORT WAYNE",
            "state": "IN",
            "postal_code": "468451701"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6507 E STATE BLVD",
            "city": "FORT WAYNE",
            "state": "IN",
            "postal_code": "468157026",
            "telephone_number": "260-486-3300",
            "fax_number": "260-486-3600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MARK",
        "middle_name": "D",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-22",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IN",
            "license": "02001451A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200931380",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000606296",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mobrien11952@Direct.Parkviewexchange.com",
            "affiliation": "N",
            "address_1": "6507 E State Blvd",
            "city": "Fort Wayne",
            "state": "IN",
            "country_code": "US",
            "postal_code": "468157026",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicprod-mobile.parkview.com/FHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "6507 E State Blvd",
            "city": "Fort Wayne",
            "state": "IN",
            "country_code": "US",
            "postal_code": "468157026",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicprod-mobile.parkview.com/FHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "6507 E State Blvd",
            "city": "Fort Wayne",
            "state": "IN",
            "country_code": "US",
            "postal_code": "468157026",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Soe Nyunt, MD
• Afamefuna Joseph Nzekwe
• Kelly E O'Barr, D.P.T.
• Amy E O'Brien, MSW
• Kimbra L. O'Brien, LCAC
• Mary Ann O'Brien, MD
• Kayla-Lyn O'Bryan
• Megan Morris O'Bryan, CRNA
• Rebekah G O'Bryan
• Christopher O'Connell

• Pediatrics Physician in Fort Wayne, IN
• Providers in Fort Wayne, IN by specialty
• Pediatrics Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.