Dr Landon James Karren, DO - Medicare Ophthalmology in Grand Forks, ND

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Dr Landon James Karren, DO is a medicare enrolled "Ophthalmology" physician in Grand Forks, North Dakota. He graduated from medical school in 2012 and has 14 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Christian D Nilson Md Pc and his current practice location is 4440 S Washington St - Altru Professional Center, Grand Forks, North Dakota. You can reach out to his office (for appointments etc.) via phone at (701) 732-7000.

Dr Landon James Karren is licensed to practice in North Dakota (license number 15921) 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 1518212893.

Contact Information

Dr Landon James Karren, DO
4440 S Washington St - Altru Professional Center,
Grand Forks, ND 58201-7245
(701) 732-7000
Not Available

Map and Direction




Physician's Profile

Full NameDr Landon James Karren
GenderMale
SpecialityOphthalmology
Experience14 Years
Location4440 S Washington St - Altru Professional Center, Grand Forks, North Dakota
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 Landon James Karren graduated from medical school in 2012
  NPI Data:
  • NPI Number: 1518212893
  • Provider Enumeration Date: 07/23/2012
  • Last Update Date: 08/16/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 3173813888
  • Enrollment ID: I20210623000794

Medical Identifiers

Medical identifiers for Dr Landon James Karren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1518212893NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology DO176816 (Oregon)Secondary
207W00000XOphthalmology 15921 (North Dakota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Logan Regional HospitalLogan, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Christian D Nilson Md Pc33756191333

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 Landon James Karren allows following entities to bill medicare on his behalf.
Entity NameChristian D Nilson Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417112715
PECOS PAC ID: 3375619133
Enrollment ID: O20080903000254

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 Landon James Karren 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 Landon James Karren, DO
2401 Demers Ave,
Grand Forks, ND 58201

Ph: (701) 780-1891		Dr Landon James Karren, DO
4440 S Washington St - Altru Professional Center,
Grand Forks, ND 58201-7245

Ph: (701) 732-7000

Reviews and Comments


Ophthalmology Doctors in Grand Forks, ND

Norman T Byers, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 1000 S Columbia Rd, Grand Forks, ND 58201
Phone: 701-780-6000    
Dr. Christian G Khairallah, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 4440 S Washington St - Altru Professional Center, Grand Forks, ND 58201
Phone: 701-732-7000    

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.