Alexis Petra, MD - Medicare Emergency Medicine in Walnut Creek, CA

Alexis Petra, MD is a medicare enrolled "Emergency Medicine" physician in Walnut Creek, California. She went to University Of Pittsburgh School Of Medicine and graduated in 2000 and has 24 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice California Emergency Associates,a California Medical Corporation and her current practice location is 1425 S Main St, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (623) 433-6452.

Alexis Petra is licensed to practice in Arizona (license number 30305) 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 1245241991.

Contact Information

Alexis Petra, MD
1425 S Main St,
Walnut Creek, CA 94596-5318
(623) 433-6452
(623) 433-6452

Map and Direction




Physician's Profile

Full NameAlexis Petra
GenderFemale
SpecialityEmergency Medicine
Experience24 Years
Location1425 S Main St, Walnut Creek, 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:
  • Alexis Petra attended and graduated from University Of Pittsburgh School Of Medicine in 2000
  NPI Data:
  • NPI Number: 1245241991
  • Provider Enumeration Date: 08/10/2006
  • Last Update Date: 04/01/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 9931003902
  • Enrollment ID: I20140519002133

Medical Identifiers

Medical identifiers for Alexis Petra such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245241991NPI-NPPES
755043MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 30305 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yavapai Regional Medical CenterPrescott, AZHospital
Chinese HospitalSan francisco, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
California Emergency Associates,a California Medical Corporation983042629513

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. Alexis Petra allows following entities to bill medicare on her behalf.
Entity NameWashington Township Hospital District
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1154472058
PECOS PAC ID: 2860488822
Enrollment ID: O20081210000515
Entity NameCalifornia Emergency Associates,a California Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437611936
PECOS PAC ID: 9830426295
Enrollment ID: O20190807002329

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. Alexis Petra 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
Alexis Petra, MD
1116 Valencia St,
San Francisco, CA 94110-3027

Ph: (623) 433-6452
Alexis Petra, MD
1425 S Main St,
Walnut Creek, CA 94596-5318

Ph: (623) 433-6452

Reviews and Comments


Emergency Medicine Doctors in Walnut Creek, CA

Brook Andrew Woolley, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1425 S Main St, Emergency Medicine Department, Walnut Creek, CA 94596
Phone: 925-295-5100    
Malcolm C Johnson, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
Phone: 925-939-3000    
Alice Decker Hunter, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
Phone: 925-939-3000    
Seigfred P. Jalalon, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1450 Treat Blvd # 160, Walnut Creek, CA 94597
Phone: 925-296-9000    
Theodore Ira Kloth, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
Phone: 925-939-3000    
Stephanie Carlson, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
Michael R. Lozano, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    

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).

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