Rebecca Ann Marksteiner, LCSW - Medicare Clinical Social Worker in Alexandria, VA

Rebecca Ann Marksteiner, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Alexandria, Virginia. Her current practice location is 8350 Richmond Hwy, Alexandria, Virginia. You can reach out to her office (for appointments etc.) via phone at (703) 704-6328.

Rebecca Ann Marksteiner is licensed to practice in Virginia (license number 0904014323) 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 1902512346.

Contact Information

Rebecca Ann Marksteiner, LCSW
8350 Richmond Hwy,
Alexandria, VA 22309-2300
(703) 704-6328
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameRebecca Ann Marksteiner
GenderFemale
SpecialitySocial Worker - Clinical
Location8350 Richmond Hwy, Alexandria, Virginia
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1902512346
  • Provider Enumeration Date: 01/30/2023
  • Last Update Date: 01/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4486027638
  • Enrollment ID: I20230308002915

Medical Identifiers

Medical identifiers for Rebecca Ann Marksteiner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1902512346NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 0904014323 (Virginia)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. Rebecca Ann Marksteiner allows following entities to bill medicare on her behalf.
Entity NameFairfax County, Virginia
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154356244
PECOS PAC ID: 9739136847
Enrollment ID: O20210319001688

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. Rebecca Ann Marksteiner 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
Rebecca Ann Marksteiner, LCSW
8350 Richmond Hwy,
Alexandria, VA 22309-2300

Ph: () -
Rebecca Ann Marksteiner, LCSW
8350 Richmond Hwy,
Alexandria, VA 22309-2300

Ph: (703) 704-6328

Reviews and Comments


Social Worker in Alexandria, VA

Steven E Frutos, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 4850 Mark Center Dr, Alexandria, VA 22311
Phone: 703-746-3400    
Ms. Carol Ann Gauzens, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 8009 Fort Hunt Rd, Alexandria, VA 22308
Phone: 703-903-9696    Fax: 703-684-7818
Jennifer Y Ge,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 5446 Chieftain Cir, Alexandria, VA 22312
Phone: 240-393-8899    
Marcella Sims, MSSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 500 N Washington St, Alexandria, VA 22314
Phone: 571-969-0200    
Donna Sue Zientek,
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 8609 Waterford Rd, Alexandria, VA 22308
Phone: 910-554-5944    
Mrs. Anja D. Blackadar, LCSW
Clinical Social Worker
Medicare: Medicare Enrolled
Practice Location: 4850 Mark Center Dr, Alexandria, VA 22311
Phone: 703-746-3400    
Ms. Constance Ridgway, LCSW
Clinical Social Worker
Medicare: Accepting Medicare Assignments
Practice Location: 205 S Whiting St Ste 605, Alexandria, VA 22304
Phone: 202-966-8230    Fax: 202-966-8230

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.