Individual provider Active NPI

John D Oholleran, MD

  • Surgery Physician
  • Oregon City, OR
National Provider Identifier
1912007220
Registry record updated Feb 2, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
MD215189 Issued in OR
Practice address
1510 Division St Ste 210
Oregon City, OR 97045-1599
Phone
(503) 723-6525
NPI assigned
Sep 25, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 2, 2024

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 6073614 CA
Surgery Physician 208600000X G73614 CA
Surgery Physician 208600000X 036150765 IL
Surgery Physician 208600000X MD215189 OR Primary

Addresses

Primary practice location

1510 Division St Ste 210
Oregon City, OR 97045-1599

Mailing address

PO Box 3158
Portland, OR 97208-3158
Phone (503) 215-6494

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, IA, OR3 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
I20100717000247 CA Practitioner - General Surgery 9133285224 Reassigns benefits to 1 organization
Practice locations: San Carlos, CA
I20220531002703 IA Practitioner - General Surgery 9133285224 Reassigns benefits to 1 organization
I20230811003404 OR Practitioner - General Surgery 9133285224 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
University of Nebraska College of Medicine, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1510 Division St
Suite 210
Oregon City, OR 97045-1599
Phone (503) 723-6525

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair - groin (open)20

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
6073614CAMDSurgery Physician
G73614CAMDSurgery Physician
MD215189ORMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Health & Services - Oregon CurrentSince Aug 1, 2023 Accepting new patients
Providence Health & Services - Oregon CurrentSince Aug 1, 2023 Accepting new patients
Sutter Bay Medical Foundation Current Accepting new patients
Providence Health & Services Oregon CurrentSince Aug 1, 2023 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Feb 29, 2016 Accepting new patients
Providence Health & Services Oregon CurrentSince Aug 1, 2023 Accepting new patients
Providence Health & Services Oregon CurrentSince Aug 1, 2023 Accepting new patients
Providence Health & Services Oregon Current Accepting new patients
Providence Health & Services - Oregon Current Accepting new patients
Providence Health & Services Oregon Current Accepting new patients
Iowa Physicians Clinic Medical Foundation Surgery CurrentSince Jun 1, 2022 Accepting new patients
CGH Medical Center Past Accepting new patients
Providence Health & Services - Oregon Past Accepting new patients

Locations

2350 W El Camino Real
Fl 2
Mountain View, CA 94040
Phone (650) 691-6174

795 El Camino Real
#1112
Palo Alto, CA 94301

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

301 Industrial Rd
#1
San Carlos, CA 94070
Phone (650) 404-8455

301 Industrial Rd
San Carlos, CA 94070
Phone (650) 596-4000

4480 Utica Ridge Rd
Ste 2230
Bettendorf, IA 52722
Phone (563) 742-5150

4480 Utica Ridge Rd
Ste 160
Bettendorf, IA 52722
Phone (563) 742-5950

2730 Pierce St
Ste 402
Sioux City, IA 51104
Phone (712) 234-8725

200 S Hazel Dell Way
Ste 210
Canby, OR 97013
Phone (503) 263-9550

200 S Hazel Dell Way
Canby, OR 97013
Phone (203) 263-9500

1500 Division St
Oregon City, OR 97045
Phone (503) 646-1631

1510 Division St
Ste 210
Oregon City, OR 97045
Phone (503) 655-6313

1321 NE 99th Ave
Ste 200
Portland, OR 97220
Phone (503) 215-4250

10150 SE 32nd Ave
Portland, OR 97222
Phone (503) 215-4202

Interoperability endpoints

  • Direct secure messaging: john.o.holleran.1@16528.direct.athenahealth.com

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 3

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": "1159142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1706832000000",
    "number": "1912007220",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 3158",
            "city": "PORTLAND",
            "state": "OR",
            "postal_code": "972083158",
            "telephone_number": "503-215-6494"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1510 DIVISION ST STE 210",
            "city": "OREGON CITY",
            "state": "OR",
            "postal_code": "970451599",
            "telephone_number": "503-723-6525"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OHOLLERAN",
        "first_name": "JOHN",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-25",
        "last_updated": "2024-02-02",
        "certification_date": "2022-06-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "6073614",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "G73614",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IL",
            "license": "036150765",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OR",
            "license": "MD215189",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Oregon City, OR

Sources for this page

Verify at the official NPI Registry.