Dr John Charles Frederick, MD - Medicare Ophthalmology in Bettendorf, IA

Dr John Charles Frederick, MD is a medicare enrolled "Ophthalmology" physician in Bettendorf, Iowa. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Eye Surgeons Associates Pc, Eye Surgeons Associates Pc and his current practice location is 777 Tanglefoot Ln, Eye Surgeons Associates Pc, Bettendorf, Iowa. You can reach out to his office (for appointments etc.) via phone at (563) 323-2020.

Dr John Charles Frederick is licensed to practice in Illinois (license number 036-098033) 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 1043297492.

Contact Information

Dr John Charles Frederick, MD
777 Tanglefoot Ln, Eye Surgeons Associates Pc,
Bettendorf, IA 52722
(563) 323-2020
(563) 328-5694

Map and Direction




Physician's Profile

Full NameDr John Charles Frederick
GenderMale
SpecialityOphthalmology
Experience31 Years
Location777 Tanglefoot Ln, Bettendorf, Iowa
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 Charles Frederick attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1993
  NPI Data:
  • NPI Number: 1043297492
  • Provider Enumeration Date: 12/28/2005
  • Last Update Date: 08/14/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 1355248386
  • Enrollment ID: I20050601001038

Medical Identifiers

Medical identifiers for Dr John Charles Frederick such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043297492NPI-NPPES
26568OtherIAIA GROUP MEDICARE
790730OtherILIL GROUP MEDICARE
0060350OtherIAIA GROUP MEDICAID
0170860MedicaidIA
036098033MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 32467 (Iowa)Secondary
207WX0110XOphthalmology - Pediatric Ophthalmology And Strabismus Specialist 036-098033 (Illinois)Secondary
207WX0110XOphthalmology - Pediatric Ophthalmology And Strabismus Specialist 32467 (Iowa)Secondary
207W00000XOphthalmology 036-098033 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Trinity - Rock IslandRock island, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Eye Surgeons Associates Pc418352120618
Eye Surgeons Associates Pc418352120618

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 Charles Frederick allows following entities to bill medicare on his behalf.
Entity NameEye Surgeons Associates Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386607562
PECOS PAC ID: 4183521206
Enrollment ID: O20050525000435

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 Charles Frederick 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 Charles Frederick, MD
777 Tanglefoot Ln, Eye Surgeons Associates Pc,
Bettendorf, IA 52722-1650

Ph: (563) 323-2020
Dr John Charles Frederick, MD
777 Tanglefoot Ln, Eye Surgeons Associates Pc,
Bettendorf, IA 52722

Ph: (563) 323-2020

Reviews and Comments


Ophthalmology Doctors in Bettendorf, IA

Dr. William Joseph Benevento, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 777 Tanglefoot Lane, Eye Surgeons Associates Pc, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-328-5694
Beth R Repp, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 777 Tanglefoot Ln, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-328-5694
Richard Wilkins Yemm, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 777 Tanglefoot Ln, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-328-5699
Dr. Carlton Robert Fenzl, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 777 Tanglefoot Ln, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-459-6615
Dr. Paul Norman Arnold, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 777 Tanglefoot Ln, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-328-5694
Dr. Lisa Brothers Arbisser, M.D.
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 777 Tanglefoot Ln, Bettendorf, IA 52722
Phone: 563-323-2020    Fax: 563-328-5694

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.