Dr John William Karth, MD - Medicare Ophthalmology in Eugene, OR

Dr John William Karth, MD is a medicare enrolled "Ophthalmology" physician in Eugene, Oregon. He went to Johns Hopkins University School Of Medicine and graduated in 2002 and has 22 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Oregon Eye Consultants Llc and his current practice location is 1550 Oak St Ste 7, Eugene, Oregon. You can reach out to his office (for appointments etc.) via phone at (541) 687-1927.

Dr John William Karth is licensed to practice in Oregon (license number MD27623) 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 1588862320.

Contact Information

Dr John William Karth, MD
1550 Oak St Ste 7,
Eugene, OR 97401-7701
(541) 687-1927
(541) 683-8779

Map and Direction




Physician's Profile

Full NameDr John William Karth
GenderMale
SpecialityOphthalmology
Experience22 Years
Location1550 Oak St Ste 7, Eugene, 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:
  • Dr John William Karth attended and graduated from Johns Hopkins University School Of Medicine in 2002
  NPI Data:
  • NPI Number: 1588862320
  • Provider Enumeration Date: 07/03/2007
  • Last Update Date: 04/06/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 1355433319
  • Enrollment ID: I20070822000583

Medical Identifiers

Medical identifiers for Dr John William Karth such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1588862320NPI-NPPES
274533MedicaidOR

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology MD27623 (Oregon)Primary
207WX0107XOphthalmology - Retina Specialist MD27623 (Oregon)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Oregon Eye Consultants Llc96381429046

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. Dr John William Karth allows following entities to bill medicare on his behalf.
Entity NameOregon Eye Consultants Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023199734
PECOS PAC ID: 9638142904
Enrollment ID: O20040816000305

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. Dr John William Karth 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
Dr John William Karth, MD
1550 Oak St Ste 7,
Eugene, OR 97401-7701

Ph: (541) 687-1927
Dr John William Karth, MD
1550 Oak St Ste 7,
Eugene, OR 97401-7701

Ph: (541) 687-1927

Reviews and Comments


Ophthalmology Doctors in Eugene, OR

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Mr. Allan Armstrong Hunter Iii, MD
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Matthew D Neale, MD
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Practice Location: 992 Country Club Rd, Ste101, Eugene, OR 97401
Phone: 541-687-1715    Fax: 541-687-1690

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.