Gregory Alan Greenbaum, MD - Medicare Emergency Medicine in Sun City, AZ

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Gregory Alan Greenbaum, MD is a medicare enrolled "Emergency Medicine" physician in Sun City, Arizona. He went to University Of California, San Diego School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Cep America- Arizona, Pc and his current practice location is 10401 West Thunderbird Blvd., Sun City, Arizona. You can reach out to his office (for appointments etc.) via phone at (623) 977-7211.

Gregory Alan Greenbaum is licensed to practice in Arizona (license number 35417) 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 1982654067.

Contact Information

Gregory Alan Greenbaum, MD
10401 West Thunderbird Blvd.,
Sun City, AZ 85351
(623) 977-7211
Not Available

Map and Direction




Physician's Profile

Full NameGregory Alan Greenbaum
GenderMale
SpecialityEmergency Medicine
Experience34 Years
Location10401 West Thunderbird Blvd., Sun City, Arizona
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 Alan Greenbaum attended and graduated from University Of California, San Diego School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1982654067
  • Provider Enumeration Date: 05/11/2006
  • Last Update Date: 01/30/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4284647694
  • Enrollment ID: I20060831000087

Medical Identifiers

Medical identifiers for Gregory Alan Greenbaum such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982654067NPI-NPPES
114277MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 35417 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Banner Boswell Medical CenterSun city, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America- Arizona, Pc185054197058

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 Alan Greenbaum allows following entities to bill medicare on his behalf.
Entity NameBanner Hospital Based Physicians Arizona Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275889891
PECOS PAC ID: 3274782487
Enrollment ID: O20121003000752
Entity NameCep America- Arizona, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780202804
PECOS PAC ID: 1850541970
Enrollment ID: O20121026000403

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 Alan Greenbaum 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 Alan Greenbaum, MD
2100 Powell Street, Ste 920,
Emeryville, CA 94608

Ph: (510) 350-2600		Gregory Alan Greenbaum, MD
10401 West Thunderbird Blvd.,
Sun City, AZ 85351

Ph: (623) 977-7211

Reviews and Comments


Emergency Medicine Doctors in Sun City, AZ

Raymond Hemmert, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Aaron C Mckinney, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 14502 West Meeker Boulevard, Sun City, AZ 85375
Phone: 623-214-4000    
Heidi Susan Holland, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Parth Harish Patel, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-832-4000    
Peter Vaughn Hull, M.D
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 10401 W Thunderbird Blvd, Sun City, AZ 85351
Phone: 623-977-7211    
Scott David Lopata, M.D
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 10401 West Thunderbird Blvd., Sun City, AZ 85351
Phone: 623-977-7211    
Ann Marie Sun, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 23129 N 122nd Ave, Sun City, AZ 85373
Phone: 623-687-1662    

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.