Ms Catherine Louise Ly, DO - Medicare Gastroenterology in Cleveland, OH

Ms Catherine Louise Ly, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Cleveland, Ohio. She graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Gastroenterology. She is a member of the group practice Cleveland Clinic Foundation and her current practice location is 9500 Euclid Ave, Cleveland, Ohio. You can reach out to her office (for appointments etc.) via phone at (216) 444-2200.

Ms Catherine Louise Ly is licensed to practice in Ohio (license number 34.013947) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1750523783.

Contact Information

Ms Catherine Louise Ly, DO
9500 Euclid Ave,
Cleveland, OH 44195-1143
(216) 444-2200
Not Available

Map and Direction




Physician's Profile

Full NameMs Catherine Louise Ly
GenderFemale
SpecialityGastroenterology
Experience15 Years
Location9500 Euclid Ave, Cleveland, Ohio
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ms Catherine Louise Ly graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1750523783
  • Provider Enumeration Date: 04/06/2009
  • Last Update Date: 07/08/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 5395055248
  • Enrollment ID: I20190723002771

Medical Identifiers

Medical identifiers for Ms Catherine Louise Ly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750523783NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 036.129366 (Illinois)Secondary
207RG0100XInternal Medicine - Gastroenterology 34.013947 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cleveland ClinicCleveland, OHHospital
Cleveland Clinic Avon HospitalAvon, OHHospital
Fairview HospitalCleveland, OHHospital
Medina HospitalMedina, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cleveland Clinic Foundation18502035555690

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. Ms Catherine Louise Ly allows following entities to bill medicare on her behalf.
Entity NameThe Cleveland Clinic Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679525919
PECOS PAC ID: 1850203555
Enrollment ID: O20031103000049

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. Ms Catherine Louise Ly 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
Ms Catherine Louise Ly, DO
21495 Avalon Dr,
Rocky River, OH 44116-1125

Ph: (937) 974-2036
Ms Catherine Louise Ly, DO
9500 Euclid Ave,
Cleveland, OH 44195-1143

Ph: (216) 444-2200

Reviews and Comments


Internal Medicine Doctors in Cleveland, OH

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Practice Location: 9500 Euclid Ave, Cleveland, OH 44195
Phone: 216-444-4444    Fax: 216-445-6290
Tarek Ashour, MD
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Mrs. Efewongbe Benedicta Oleghe,
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Phone: 216-363-2725    
Dr. Toufik Z. Madhun, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 11100 Euclid Ave Dept Of, Cleveland, OH 44106
Phone: 216-844-1000    

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.