William R Alex, MD - Medicare Thoracic Surgery in Riverside, CA

William R Alex, MD is a medicare enrolled "Surgery" physician in Riverside, California. He went to Georgetown University School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice El-bershawi Medical Corp and his current practice location is 4000 14th St, Ste 306, Riverside, California. You can reach out to his office (for appointments etc.) via phone at (951) 682-2036.

William R Alex is licensed to practice in California (license number G86010) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1558300681.

Contact Information

William R Alex, MD
4000 14th St, Ste 306,
Riverside, CA 92501-4083
(951) 682-2036
(951) 682-2942

Map and Direction




Physician's Profile

Full NameWilliam R Alex
GenderMale
SpecialityThoracic Surgery
Experience32 Years
Location4000 14th St, Riverside, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William R Alex attended and graduated from Georgetown University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1558300681
  • Provider Enumeration Date: 06/05/2006
  • Last Update Date: 03/19/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 4183515687
  • Enrollment ID: I20050224001042

Medical Identifiers

Medical identifiers for William R Alex such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558300681NPI-NPPES
00G860100MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery G86010 (California)Primary
2086S0102XSurgery - Surgical Critical Care G86010 (California)Secondary
2086S0127XSurgery - Trauma Surgery G86010 (California)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) G86010 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Riverside Community HospitalRiverside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
El-bershawi Medical Corp903229849239

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. William R Alex allows following entities to bill medicare on his behalf.
Entity NameEl-bershawi Medical Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386813103
PECOS PAC ID: 9032298492
Enrollment ID: O20080509000414

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. William R Alex 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
William R Alex, MD
4000 14th St, Ste 306,
Riverside, CA 92501-4083

Ph: (951) 682-2036
William R Alex, MD
4000 14th St, Ste 306,
Riverside, CA 92501-4083

Ph: (951) 682-2036

Reviews and Comments


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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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