Gregory W Bush, MD - Medicare Emergency Medicine in Long Beach, CA

Gregory W Bush, MD is a medicare enrolled "Emergency Medicine" physician in Long Beach, California. He went to Loma Linda University School Of Medicine and graduated in 1997 and has 27 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Columbia Emergency Medical Group Inc and his current practice location is 2801 Atlantic Ave, Long Beach, California. You can reach out to his office (for appointments etc.) via phone at (562) 933-2000.

Gregory W Bush is licensed to practice in California (license number A68138) 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 1023057122.

Contact Information

Gregory W Bush, MD
2801 Atlantic Ave,
Long Beach, CA 90806-1737
(562) 933-2000
(818) 587-2493



Physician's Profile

Full NameGregory W Bush
GenderMale
SpecialityEmergency Medicine
Experience27 Years
Location2801 Atlantic Ave, Long Beach, 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:
  • Gregory W Bush attended and graduated from Loma Linda University School Of Medicine in 1997
  NPI Data:
  • NPI Number: 1023057122
  • Provider Enumeration Date: 06/05/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 0446444723
  • Enrollment ID: I20101101000173

Medical Identifiers

Medical identifiers for Gregory W Bush such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023057122NPI-NPPES
00A681380OtherCABLUE SHIELD
00A681380MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A68138 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Long Beach Memorial Medical CenterLong beach, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Columbia Emergency Medical Group Inc266837650034

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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. Gregory W Bush allows following entities to bill medicare on his behalf.
Entity NameColumbia Emergency Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871551119
PECOS PAC ID: 2668376500
Enrollment ID: O20031121000897

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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. Gregory W Bush 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
Gregory W Bush, MD
Po Box 1490,
Long Beach, CA 90801-1490

Ph: (888) 237-1803
Gregory W Bush, MD
2801 Atlantic Ave,
Long Beach, CA 90806-1737

Ph: (562) 933-2000

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Emergency Medicine Doctors in Long Beach, CA

Dr. Neel Amar Shah, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1050 Linden Ave, Long Beach, CA 90813
Phone: 562-491-9761    Fax: 562-491-9264
Dr. Andrew Wittenberg, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2801 Atlantic Ave, Long Beach, CA 90806
Phone: 562-933-2000    
Dr. Shahrzad Rafiee, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1720 Termino Ave, Long Beach, CA 90804
Phone: 562-498-1000    Fax: 562-498-4476
Dr. Lauren Valerie Sylwanowicz, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1050 Linden Ave, Long Beach, CA 90813
Phone: 562-491-9000    
Eber Sanchez Zelaya,
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 6510 Falcon Ave, Long Beach, CA 90805
Phone: 562-506-8631    
Dr. George Robert Knull, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1936 E Anaheim St, Long Beach, CA 90813
Phone: 714-309-4688    

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