Charles Earl Ahrens, MD - Medicare Ophthalmology in Duluth, MN

Charles Earl Ahrens, MD is a medicare enrolled "Ophthalmology" physician in Duluth, Minnesota. He went to Sanford School Of Medicine Of University Of South Dakota and graduated in 2007 and has 17 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice St Lukes Hospital Of Duluth and his current practice location is 4190 Loberg Ave, Duluth, Minnesota. You can reach out to his office (for appointments etc.) via phone at (218) 249-4600.

Charles Earl Ahrens is licensed to practice in Minnesota (license number 53850) 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 1356540827.

Contact Information

Charles Earl Ahrens, MD
4190 Loberg Ave,
Duluth, MN 55811-2652
(218) 249-4600
(218) 249-4666

Map and Direction




Physician's Profile

Full NameCharles Earl Ahrens
GenderMale
SpecialityOphthalmology
Experience17 Years
Location4190 Loberg Ave, Duluth, Minnesota
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:
  • Charles Earl Ahrens attended and graduated from Sanford School Of Medicine Of University Of South Dakota in 2007
  NPI Data:
  • NPI Number: 1356540827
  • Provider Enumeration Date: 07/16/2007
  • Last Update Date: 12/04/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8921279381
  • Enrollment ID: I20110915000829

Medical Identifiers

Medical identifiers for Charles Earl Ahrens such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356540827NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 53850 (Minnesota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalDuluth, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St Lukes Hospital Of Duluth7113834839366

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. Charles Earl Ahrens allows following entities to bill medicare on his behalf.
Entity NameSt Lukes Hospital Of Duluth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902845068
PECOS PAC ID: 7113834839
Enrollment ID: O20031120000212

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. Charles Earl Ahrens 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
Charles Earl Ahrens, MD
4190 Loberg Ave,
Duluth, MN 55811-2652

Ph: (218) 249-4600
Charles Earl Ahrens, MD
4190 Loberg Ave,
Duluth, MN 55811-2652

Ph: (218) 249-4600

Reviews and Comments


Ophthalmology Doctors in Duluth, MN

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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).

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