Catherine K Ellyn, MD - Medicare Anesthesiology in Charleston, SC

Catherine K Ellyn, MD is a medicare enrolled "Anesthesiology" physician in Charleston, South Carolina. She went to Medical University Of South Carolina College Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Bon Secours St Francis Xavier Hospital Inc and her current practice location is 125 Doughty St, Ste 420, Charleston, South Carolina. You can reach out to her office (for appointments etc.) via phone at (843) 723-3441.

Catherine K Ellyn is licensed to practice in South Carolina (license number 14577) 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 1013963560.

Contact Information

Catherine K Ellyn, MD
125 Doughty St, Ste 420,
Charleston, SC 29403
(843) 723-3441
(843) 805-4040

Map and Direction




Physician's Profile

Full NameCatherine K Ellyn
GenderFemale
SpecialityAnesthesiology
Experience36 Years
Location125 Doughty St, Charleston, South Carolina
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:
  • Catherine K Ellyn attended and graduated from Medical University Of South Carolina College Of Medicine in 1988
  NPI Data:
  • NPI Number: 1013963560
  • Provider Enumeration Date: 05/26/2006
  • Last Update Date: 05/13/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3476730532
  • Enrollment ID: I20110527000268

Medical Identifiers

Medical identifiers for Catherine K Ellyn such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013963560NPI-NPPES
145774MedicaidSC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 14577 (South Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Roper HospitalCharleston, SCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bon Secours St Francis Xavier Hospital Inc8325008717169

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. Catherine K Ellyn allows following entities to bill medicare on her behalf.
Entity NameAnesthesia Associates Of Charleston Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396776670
PECOS PAC ID: 4082607361
Enrollment ID: O20040405000080
Entity NameBon Secours St Francis Xavier Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740502822
PECOS PAC ID: 8325008717
Enrollment ID: O20100607000884

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. Catherine K Ellyn 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
Catherine K Ellyn, MD
Po Box 22206,
Charleston, SC 29403-2206

Ph: (843) 723-3441
Catherine K Ellyn, MD
125 Doughty St, Ste 420,
Charleston, SC 29403

Ph: (843) 723-3441

Reviews and Comments


Anesthesiology Doctors in Charleston, SC

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Dr. Marc Hassid, M.D.
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Michelle Sher Rovner, MD
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Phone: 843-792-1414    

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.