Dr Cassandra Lynn Libbing, DO - Medicare Hospitalist in Washington, DC

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Dr Cassandra Lynn Libbing, DO is a medicare enrolled "Hospitalist" physician in Washington, District Of Columbia. Her current practice location is 3800 Reservoir Road Nw, Dept Of Internal Medicine, Washington, District Of Columbia. You can reach out to her office (for appointments etc.) via phone at (202) 444-8168.

Dr Cassandra Lynn Libbing is licensed to practice in District Of Columbia (license number DO210012418) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1942889456.

Contact Information

Dr Cassandra Lynn Libbing, DO
3800 Reservoir Road Nw, Dept Of Internal Medicine,
Washington, DC 20007
(202) 444-8168
(877) 303-1460

Map and Direction




Physician's Profile

Full NameDr Cassandra Lynn Libbing
GenderFemale
SpecialityHospitalist
Location3800 Reservoir Road Nw, Washington, District Of Columbia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1942889456
  • Provider Enumeration Date: 04/03/2021
  • Last Update Date: 06/13/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5597202648
  • Enrollment ID: I20240807000239

Medical Identifiers

Medical identifiers for Dr Cassandra Lynn Libbing such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1942889456NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist DO210012418 (District Of Columbia)Primary

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 Cassandra Lynn Libbing allows following entities to bill medicare on her behalf.
Entity NameMedstar Medical Group Ii Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184046187
PECOS PAC ID: 0547413825
Enrollment ID: O20130117000415

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 Cassandra Lynn Libbing 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 Cassandra Lynn Libbing, DO
3800 Reservoir Road Nw, Dept Of Hospital Medicine,
Washington, DC 20007

Ph: (202) 444-2000		Dr Cassandra Lynn Libbing, DO
3800 Reservoir Road Nw, Dept Of Internal Medicine,
Washington, DC 20007

Ph: (202) 444-8168

Reviews and Comments


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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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