Mr Alexander Geoffrey Stein, MD - Medicare Thoracic Surgery in Los Angeles, CA

Mr Alexander Geoffrey Stein, MD is a medicare enrolled "Thoracic Surgery (cardiothoracic Vascular Surgery)" physician in Los Angeles, California. He graduated from medical school in 1973 and has 51 years of diverse experience with area of expertise as Thoracic Surgery. He is a member of the group practice Chi Health Clinic Specialty Llc, Mymichigan Medical Center Midland, The Duluth Clinic Ltd and his current practice location is 8635 W 3rd St Ste 865w, Los Angeles, California. You can reach out to his office (for appointments etc.) via phone at (310) 854-1904.

Mr Alexander Geoffrey Stein is licensed to practice in California (license number A33877) 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 1861440430.

Contact Information

Mr Alexander Geoffrey Stein, MD
8635 W 3rd St Ste 865w,
Los Angeles, CA 90048-6140
(310) 854-1904
(310) 427-6763

Map and Direction




Physician's Profile

Full NameMr Alexander Geoffrey Stein
GenderMale
SpecialityThoracic Surgery
Experience51 Years
Location8635 W 3rd St Ste 865w, Los Angeles, 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:
  • Mr Alexander Geoffrey Stein graduated from medical school in 1973
  NPI Data:
  • NPI Number: 1861440430
  • Provider Enumeration Date: 05/05/2006
  • Last Update Date: 09/04/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5698667582
  • Enrollment ID: I20230919000122

Medical Identifiers

Medical identifiers for Mr Alexander Geoffrey Stein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861440430NPI-NPPES
00A338770MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) 036167750 (Illinois)Secondary
208G00000XThoracic Surgery (cardiothoracic Vascular Surgery) A33877 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Chi Health Nebraska HeartLincoln, NEHospital
Essentia Health St Mary's Medical CenterDuluth, MNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Chi Health Clinic Specialty Llc4789098443248
Mymichigan Medical Center Midland2264323633362
The Duluth Clinic Ltd2567374283949

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. Mr Alexander Geoffrey Stein allows following entities to bill medicare on his behalf.
Entity NameAlegent Creighton Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548287907
PECOS PAC ID: 1951210418
Enrollment ID: O20040407001314
Entity NameChi Health Clinic Specialty Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285138065
PECOS PAC ID: 4789098443
Enrollment ID: O20210121000492

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. Mr Alexander Geoffrey Stein 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
Mr Alexander Geoffrey Stein, MD
8635 W 3rd St Ste 865w,
Los Angeles, CA 90048-6140

Ph: (310) 854-1904
Mr Alexander Geoffrey Stein, MD
8635 W 3rd St Ste 865w,
Los Angeles, CA 90048-6140

Ph: (310) 854-1904

Reviews and Comments


Thoracic Surgery (Cardiothoracic Vascular Surgery) Doctors in Los Angeles, CA

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Dr. Luke Mckee Wiggins, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 4650 W Sunset Blvd # Ms 66, Los Angeles, CA 90027
Phone: 323-361-5595    

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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