NPIMap

Individual provider Active NPI

Gerard Ohannes Oghlakian, MD

  • Advanced Heart Failure and Transplant Cardiology Physician
  • Springfield, MO
National Provider Identifier
1679779979
Registry record updated Sep 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Heart Failure and Transplant Cardiology PhysicianTaxonomy code 207RA0001X
License
2011006602 Issued in MO
Practice address
1235 E Cherokee St Ste 2C
Springfield, MO 65804-2203
Phone
(417) 820-3911
Fax
(417) 820-3924
NPI assigned
Jun 23, 2007
Last updated
Sep 29, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 2011006602 MO
Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X 2011006602 MO Primary

Addresses

Primary practice location

1235 E Cherokee St Ste 2C
Springfield, MO 65804-2203

Mailing address

1235 E Cherokee St Ste 2C
Springfield, MO 65804-2203
Phone (417) 820-3911

Other practice location 1

448 State Highway 248 Ste 180
Branson, MO 65616-3725
Phone (417) 820-3911

Other identifiers 4

IdentifierTypeStateIssuer
P00954926OtherMORR MCR
1679779979MedicaidMO
188964001MedicaidAR
431560263OtherMOTRICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110727000363 MO Practitioner - Advanced Heart Failure and Transplant CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 1456529981 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Advanced Heart Failure and Transplant CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mercy Clinic Springfield CommunitiesGroup PAC ID 7416865845, shared by 26 NPIs, 1,121 clinicians
Mercy St Francis HospitalGroup PAC ID 7810806643, 9 clinicians
Mercy Hospital AuroraGroup PAC ID 9436063211, 7 clinicians
Mercy Hospital CassvilleGroup PAC ID 8820999139, 10 clinicians

Practice addresses (Care Compare)

100 Hospital Dr
Lebanon, MO 65536-9210
Phone (417) 553-6059

100 W US Hwy 60
Mountain View, MO 65548-8542
Phone (417) 934-7000

1235 E Cherokee St
Springfield, MO 65804-2203

1605 Martin Springs Dr
Rolla, MO 65401-2980

2055 S Fremont Ave
Springfield, MO 65804-2206

2115 S Fremont Ave
1100 MC Womens Oncology Whiteside
Springfield, MO 65804-2239
Phone (417) 820-3554

2115 S Fremont Ave
3050 MC Infectious Disease Whiteside
Springfield, MO 65804-2236
Phone (417) 820-3905

2135 S Fremont Ave
MC Physical Med and Rehab
Springfield, MO 65804-2239
Phone (417) 820-2364

448 Hwy 248
Suite 170
Branson, MO 65616-3725
Phone (417) 820-5200

448 State Hwy 248
Branson, MO 65616-3725

500 Porter Ave
Aurora, MO 65605-2365
Phone (417) 678-2122

94 Main St
Cassville, MO 65625-1610
Phone (417) 847-6000

94 S Main St
Cassville, MO 65625-1610

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
TRAINING LICENSENJMDPediatric Critical Care Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy St. Francis Hospital CurrentSince Nov 27, 2011 Accepting new patients
Mercy St. Francis Hospital CurrentSince Nov 27, 2011 Accepting new patients
Mercy Hospital Cassville CurrentSince Jul 26, 2011 Accepting new patients
Mercy Clinic Springfield Communities CurrentSince Jul 1, 2011 Accepting new patients
Mercy Hospital Cassville CurrentSince Jul 26, 2011 Accepting new patients
Mercy Hospital Aurora CurrentSince Jul 26, 2011 Accepting new patients
Mercy Clinic Springfield Communities CurrentSince Nov 8, 2012 Accepting new patients
Mercy Hospital Aurora CurrentSince Jul 26, 2011 Accepting new patients
Mercy Clinic Springfield Communities CurrentSince Jul 1, 2011 Accepting new patients
Ozarks Medical Center Past Accepting new patients

Locations

214 Carter St
Berryville, AR 72616
Phone (870) 423-3355

500 Porter Ave
Aurora, MO 65605
Phone (417) 678-2122

94 Main St
Cassville, MO 65625
Phone (417) 782-7722

100 W US Highway 60
Mountain View, MO 65548
Phone (417) 934-7000

1605 Martin Springs Dr
Rolla, MO 65401
Phone (573) 458-6379

1605 Martin Springs Dr
Ste 330
Rolla, MO 65401
Phone (573) 458-6379

2115 S Fremont Ave
Ste 3050
Springfield, MO 65804
Phone (417) 820-3905

2115 S Fremont Ave
Ste 4000
Springfield, MO 65804
Phone (417) 820-3031

2115 S Fremont Ave
Ste 4300
Springfield, MO 65804
Phone (417) 829-3911

Interoperability endpoints

  • Direct secure messaging: goghlakian203220@directb.mercy.net

Organizations & group practices 10

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.

Hospital & facility affiliations 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1182556800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1679779979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1235 E CHEROKEE ST STE 2C",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658042203",
            "telephone_number": "417-820-3911",
            "fax_number": "417-820-3924"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1235 E CHEROKEE ST STE 2C",
            "city": "SPRINGFIELD",
            "state": "MO",
            "postal_code": "658042203",
            "telephone_number": "417-820-3911",
            "fax_number": "417-820-3924"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "448 State Highway 248 Ste 180",
            "address_purpose": "LOCATION",
            "city": "Branson",
            "state": "MO",
            "postal_code": "656163725",
            "country_code": "US",
            "telephone_number": "417-820-3911",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "OGHLAKIAN",
        "first_name": "GERARD",
        "middle_name": "OHANNES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-23",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MO",
            "license": "2011006602",
            "primary": false
        },
        {
            "code": "207RA0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Advanced Heart Failure and Transplant Cardiology",
            "state": "MO",
            "license": "2011006602",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MCR",
            "identifier": "P00954926",
            "state": "MO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1679779979",
            "state": "MO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "188964001",
            "state": "AR"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE",
            "identifier": "431560263",
            "state": "MO"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Springfield, MO

Sources for this page

Verify at the official NPI Registry.