John D Oholleran, MD - Medicare General Surgery in Oregon City, OR

John D Oholleran, MD is a medicare enrolled "Surgery" physician in Oregon City, Oregon. He went to University Of Nebraska College Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Providence Health And Services Oregon and his current practice location is 1510 Division St Ste 210, Oregon City, Oregon. You can reach out to his office (for appointments etc.) via phone at (503) 723-6525.

John D Oholleran is licensed to practice in Oregon (license number MD215189) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1912007220.

Contact Information

John D Oholleran, MD
1510 Division St Ste 210,
Oregon City, OR 97045-1599
(503) 723-6525
Not Available



Physician's Profile

Full NameJohn D Oholleran
GenderMale
SpecialityGeneral Surgery
Experience37 Years
Location1510 Division St Ste 210, Oregon City, Oregon
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John D Oholleran attended and graduated from University Of Nebraska College Of Medicine in 1987
  NPI Data:
  • NPI Number: 1912007220
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 02/02/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9133285224
  • Enrollment ID: I20230811003404

Medical Identifiers

Medical identifiers for John D Oholleran such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912007220NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 6073614 (California)Secondary
208600000XSurgery G73614 (California)Secondary
208600000XSurgery 036150765 (Illinois)Secondary
208600000XSurgery MD215189 (Oregon)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Willamette Falls Medical CenterOregon city, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Health And Services Oregon06481836081328

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Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John D Oholleran allows following entities to bill medicare on his behalf.
Entity NameProvidence Health & Services Oregon
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023488343
PECOS PAC ID: 0648183608
Enrollment ID: O20031106000652

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Entity NameProvidence Health & Services Oregon
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1366536963
PECOS PAC ID: 6103728753
Enrollment ID: O20040123000371

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Entity NameProvidence Health & Services - Oregon
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912282369
PECOS PAC ID: 5294901922
Enrollment ID: O20120319000430

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Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John D Oholleran is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John D Oholleran, MD
Po Box 3158,
Portland, OR 97208-3158

Ph: (503) 215-6494
John D Oholleran, MD
1510 Division St Ste 210,
Oregon City, OR 97045-1599

Ph: (503) 723-6525

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Surgery Doctors in Oregon City, OR

Tyler Scott Mittelstaedt, MD-MPH
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1510 Division St Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    
Mr. John Joseph Antolik, MD
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 728 Molalla Ave, #c, Oregon City, OR 97045
Phone: 503-557-1233    Fax: 503-557-1310
Shawn M Morgan, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1510 Division St Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    Fax: 503-723-6508
Eleazar D Lawson, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1510 Division St Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    
Dr. John Stephen Domreis, M.D.
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1510 Division St Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    
Melissa Lin, M.D.
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1510 Division St Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    
Dr. Kevin Raymond Johnson I, M.D.
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1510 Division St, Ste 210, Oregon City, OR 97045
Phone: 503-723-6525    Fax: 503-723-6508

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