Marcia Pegues Ewing, LCSW - Medicare Clinical Social Worker in San Mateo, CA

Marcia Pegues Ewing, LCSW is a medicare enrolled "Social Worker - Clinical" provider in San Mateo, California. Her current practice location is 2000 Alameda De Las Pulgas Ste 235, San Mateo, California. You can reach out to her office (for appointments etc.) via phone at (650) 573-2541.

Marcia Pegues Ewing is licensed to practice in California (license number LCSW94246) 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 1629789888.

Contact Information

Marcia Pegues Ewing, LCSW
2000 Alameda De Las Pulgas Ste 235,
San Mateo, CA 94403-1185
(650) 573-2541
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameMarcia Pegues Ewing
GenderFemale
SpecialitySocial Worker - Clinical
Location2000 Alameda De Las Pulgas Ste 235, San Mateo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1629789888
  • Provider Enumeration Date: 12/08/2022
  • Last Update Date: 12/08/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6709228166
  • Enrollment ID: I20240530002424

Medical Identifiers

Medical identifiers for Marcia Pegues Ewing such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629789888NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1041C0700XSocial Worker - Clinical LCSW94246 (California)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. Marcia Pegues Ewing allows following entities to bill medicare on her behalf.
Entity NameCounty Of San Mateo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679642326
PECOS PAC ID: 9032023171
Enrollment ID: O20031126000292

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. Marcia Pegues Ewing 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
Marcia Pegues Ewing, LCSW
2000 Alameda De Las Pulgas Ste 235,
San Mateo, CA 94403-1185

Ph: () -
Marcia Pegues Ewing, LCSW
2000 Alameda De Las Pulgas Ste 235,
San Mateo, CA 94403-1185

Ph: (650) 573-2541

Reviews and Comments


Social Worker in San Mateo, CA

Mr. Robert Livingstone, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 205 E 3rd Ave Ste 307, San Mateo, CA 94401
Phone: 650-347-5167    Fax: 650-347-5284
Selma C Mangrum,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 222 Paul Scannell Dr, San Mateo, CA 94402
Phone: 650-312-5234    Fax: 650-312-5305
Eri Tsujii, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 1950 Alameda De Las Pulgas # 157, San Mateo, CA 94403
Phone: 650-372-6143    Fax: 650-525-1762
Deborah Marie Diaz, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 438 Sonora Dr, San Mateo, CA 94402
Phone: 650-342-6642    
Kelsey Anne Fruehan Dattilo,
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Alameda De Las Pulgas Ste 200, San Mateo, CA 94403
Phone: 650-573-2222    
Natali Gutierrez, MSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 31 Tower Rd, San Mateo, CA 94402
Phone: 650-381-4401    
Kristen Eduviges Burger, LCSW
Clinical Social Worker
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Alameda De Las Pulgas, San Mateo, CA 94403
Phone: 650-372-8540    

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.