Individual provider Active NPI

Dimitris Gerothanassis, M.D.

  • Psychiatry Physician
  • Medford, OR
National Provider Identifier
1124134069
Registry record updated Sep 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
226334 Issued in MA
Practice address
2825 E Barnett Rd
Medford, OR 97504-8332
Phone
(541) 891-7000
NPI assigned
Aug 22, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 3, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X MD496988 PA
Psychiatry Physician 2084P0800X 0101289430 VA
Psychiatry Physician 2084P0800X C176067 CA
Psychiatry Physician 2084P0800X 226334 MA Primary
Psychiatry Physician 2084P0800X 25MA13241100 NJ

Addresses

Primary practice location

2825 E Barnett Rd
Medford, OR 97504-8332

Mailing address

3115 Alameda St Apt 23
Medford, OR 97504-9677

Other practice location 1

130 S Bryn Mawr Ave
Bryn Mawr, PA 19010-3121
Phone (888) 227-3898

Other practice location 2

1080 First Colonial Rd Ste 403
Virginia Beach, VA 23454-2406
Phone (757) 395-1850

Other identifiers 1

IdentifierTypeStateIssuer
2134489MedicaidMA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address dgerothanassis1512565@ValleyHealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MP, FL, VA3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20201231000236 MP Practitioner - Psychiatry 2163525478 Reassigns benefits to 1 organization
I20260429004386 FL Practitioner - Psychiatry 2163525478 Reassigns benefits to 2 organizations
I20260617000624 VA Practitioner - Psychiatry 2163525478

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 1995
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

100 W California Blvd
Pasadena, CA 91105-3010

1100 Immokalee Rd
Suite 100
Naples, FL 34110-4810

220 Campus Blvd
Suite 320
Winchester, VA 22601-2888

2995 Drew St
FL 2
Clearwater, FL 33759-3012

720 N Franklin Street
Suite 401
Chicago, IL 60654-7212

720 N Franklon St
Suite 401
Chicago, IL 60654-7212

800 Independence Blvd
FL 5
Virginia Beach, VA 23455-6011

9525 Camino Media
Bakersfield, CA 93311-1314

Hospital & facility affiliations

  • Asante Rogue Regional Medical Center Hospital, Medford, OR, CCN 380018
  • Asante Three Rivers Medical Center Hospital, Grants Pass, OR, CCN 380002

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
226334MAMDPsychiatry Physician
0101289430VAMDPsychiatry Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Commonwealth Healthcare Corporation CurrentSince Dec 14, 2020 Accepting new patients
Commonwealth Healthcare Corporation Current Accepting new patients
Commonwealth Healthcare Corporation CurrentSince Dec 14, 2020 Accepting new patients
Asante Physician Partners Psychiatry CurrentSince May 23, 2022 Accepting new patients

Locations

625 SW Ramsey Ave
Ste A
Grants Pass, OR 97527
Phone (541) 474-5004

2825 E Barnett Rd
Medford, OR 97504
Phone (541) 282-6770

Organizations & group practices 6

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1156204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788393600000",
    "number": "1124134069",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3115 ALAMEDA ST APT 23",
            "city": "MEDFORD",
            "state": "OR",
            "postal_code": "975049677"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2825 E BARNETT RD",
            "city": "MEDFORD",
            "state": "OR",
            "postal_code": "975048332",
            "telephone_number": "541-891-7000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "130 S Bryn Mawr Ave",
            "address_purpose": "LOCATION",
            "city": "Bryn Mawr",
            "state": "PA",
            "postal_code": "190103121",
            "country_code": "US",
            "telephone_number": "888-227-3898",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1080 First Colonial Rd Ste 403",
            "address_purpose": "LOCATION",
            "city": "Virginia Beach",
            "state": "VA",
            "postal_code": "234542406",
            "country_code": "US",
            "telephone_number": "757-395-1850",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GEROTHANASSIS",
        "first_name": "DIMITRIS",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-08-22",
        "last_updated": "2026-09-03",
        "certification_date": "2026-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "PA",
            "license": "MD496988",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "VA",
            "license": "0101289430",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "C176067",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MA",
            "license": "226334",
            "primary": true
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NJ",
            "license": "25MA13241100",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2134489",
            "state": "MA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "dgerothanassis1512565@ValleyHealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "220 Campus Blvd Ste 320",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012889",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Medford, OR

Sources for this page

Verify at the official NPI Registry.