Stephanie Nguyen, DO - Medicare Emergency Medicine in Pleasanton, CA

Stephanie Nguyen, DO is a medicare enrolled "Emergency Medicine" physician in Pleasanton, California. Her current practice location is 5555 W Las Positas Blvd, Pleasanton, California. You can reach out to her office (for appointments etc.) via phone at (925) 847-3000.

Stephanie Nguyen is licensed to practice in California (license number 22611) 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 1427637792.

Contact Information

Stephanie Nguyen, DO
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000
(925) 847-3000
Not Available

Map and Direction




Physician's Profile

Full NameStephanie Nguyen
GenderFemale
SpecialityEmergency Medicine
Location5555 W Las Positas Blvd, Pleasanton, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1427637792
  • Provider Enumeration Date: 04/05/2021
  • Last Update Date: 05/20/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 4183155419
  • Enrollment ID: I20240927000074

Medical Identifiers

Medical identifiers for Stephanie Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427637792NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 22611 (California)Primary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary

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. Stephanie Nguyen allows following entities to bill medicare on her behalf.
Entity NamePleasanton Emergency Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285625509
PECOS PAC ID: 0143118927
Enrollment ID: O20040304001270

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. Stephanie Nguyen 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
Stephanie Nguyen, DO
1505 W Sherman Ave,
Vineland, NJ 08360-7059

Ph: (856) 641-8000
Stephanie Nguyen, DO
5555 W Las Positas Blvd,
Pleasanton, CA 94588-4000

Ph: (925) 847-3000

Reviews and Comments


Emergency Medicine Doctors in Pleasanton, CA

Cynthia Sue Penn-duecker, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Dr. Tony G Shiu, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Edward Y Kan, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Yen-hua Yu, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 925-416-6585    
Scott Gregory Seidman, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Douglas Kei Yoshida, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240
Robert Louis Mandiberg,
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 5555 W Las Positas Blvd, Pleasanton, CA 94588
Phone: 209-342-2300    Fax: 209-524-4240

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.