Marissa Bortenstein, LCSW - Medicare Clinical Social Worker in Austin, TX

Marissa Bortenstein, LCSW is a medicare enrolled "Social Worker - Clinical" provider in Austin, Texas. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Clinical Social Worker. Her current practice location is 7701 N Lamar Blvd Ste 313, Austin, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 265-5220.

Marissa Bortenstein is licensed to practice in Texas (license number 59315) 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 1215437504.

Contact Information

Marissa Bortenstein, LCSW
7701 N Lamar Blvd Ste 313,
Austin, TX 78752-1080
(512) 265-5220
(512) 532-6896

Map and Direction




Healthcare Provider's Profile

Full NameMarissa Bortenstein
GenderFemale
SpecialityClinical Social Worker
Experience10 Years
Location7701 N Lamar Blvd Ste 313, Austin, Texas
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:
  • Marissa Bortenstein graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1215437504
  • Provider Enumeration Date: 02/13/2018
  • Last Update Date: 08/27/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4082961073
  • Enrollment ID: I20180723001026

Medical Identifiers

Medical identifiers for Marissa Bortenstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215437504NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical 59315 (Texas)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. Marissa Bortenstein allows following entities to bill medicare on her behalf.
Entity NameMarissa Bortenstein Lcsw Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386135192
PECOS PAC ID: 7214283878
Enrollment ID: O20181127000288

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. Marissa Bortenstein 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
Marissa Bortenstein, LCSW
Po Box 49431,
Austin, TX 78765-9431

Ph: (512) 265-5220
Marissa Bortenstein, LCSW
7701 N Lamar Blvd Ste 313,
Austin, TX 78752-1080

Ph: (512) 265-5220

Reviews and Comments


Social Worker in Austin, TX

Joanne Frances Carrubba, LCSW
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Phone: 512-491-8444    Fax: 512-491-0226
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Jennifer Rae Wilhelm, L.C.S.W.
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Sabrina Smith, LCSW
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Phone: 512-344-9181    
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Phone: 512-299-4024    Fax: 512-215-9756
Denise Lynn Cleveland, LCSW
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Medicare: Accepting Medicare Assignments
Practice Location: 9219 Rock Way Dr # 2, Austin, TX 78736
Phone: 512-576-2009    

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.