Alexandra Ortega, DO - Medicare Emergency Medicine in San Leandro, CA

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Alexandra Ortega, DO is a medicare enrolled "Emergency Medicine" physician in San Leandro, California. She went to New York College Of Osteo Medicine Of New York Institute Of Technology and graduated in 2016 and has 8 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 2500 Merced St, San Leandro, California. You can reach out to her office (for appointments etc.) via phone at (510) 299-5019.

Alexandra Ortega is licensed to practice in California (license number 18723) 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 1710332655.

Contact Information

Alexandra Ortega, DO
2500 Merced St,
San Leandro, CA 94577-4201
(510) 299-5019
Not Available

Map and Direction




Physician's Profile

Full NameAlexandra Ortega
GenderFemale
SpecialityEmergency Medicine
Experience8 Years
Location2500 Merced St, San Leandro, California
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:
  • Alexandra Ortega attended and graduated from New York College Of Osteo Medicine Of New York Institute Of Technology in 2016
  NPI Data:
  • NPI Number: 1710332655
  • Provider Enumeration Date: 04/28/2016
  • Last Update Date: 02/01/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5193058766
  • Enrollment ID: I20211217001727

Medical Identifiers

Medical identifiers for Alexandra Ortega such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1710332655NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 18723 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital - San LeandroSan leandro, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Alexandra Ortega allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520

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. Alexandra Ortega 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
Alexandra Ortega, DO
2500 Merced St,
San Leandro, CA 94577-4201

Ph: () -		Alexandra Ortega, DO
2500 Merced St,
San Leandro, CA 94577-4201

Ph: (510) 299-5019

Reviews and Comments


Emergency Medicine Doctors in San Leandro, CA

Chin-hsiang Feng,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-518-5598    
Dr. Grace Mindy Lee, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    Fax: 203-688-5599
Dr. Vibha Kundi Gupta, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 517-648-0339    
Allison Boyd, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Dr. Bing Chung Shen, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    
Anthony Michael Montefusco Iv,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 13855 E 14th St, San Leandro, CA 94578
Phone: 209-342-2300    Fax: 209-524-4240
Mark Makoto Tanaka, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Merced St, San Leandro, CA 94577
Phone: 510-454-1000    

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.