Alvin S Calderon, MD - Medicare Hospitalist in Seattle, WA

Alvin S Calderon, MD is a medicare enrolled "Hospitalist" physician in Seattle, Washington. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2000 and has 24 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Virginia Mason Medical Center and his current practice location is 1100 9th Ave, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 223-6600.

Alvin S Calderon is licensed to practice in Washington (license number MD00042786) 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 1609985753.

Contact Information

Alvin S Calderon, MD
1100 9th Ave,
Seattle, WA 98101-2756
(206) 223-6600
Not Available

Map and Direction




Physician's Profile

Full NameAlvin S Calderon
GenderMale
SpecialityHospitalist
Experience24 Years
Location1100 9th Ave, Seattle, Washington
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:
  • Alvin S Calderon attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2000
  NPI Data:
  • NPI Number: 1609985753
  • Provider Enumeration Date: 08/30/2006
  • Last Update Date: 05/04/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 9931013349
  • Enrollment ID: I20031118000988

Medical Identifiers

Medical identifiers for Alvin S Calderon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609985753NPI-NPPES
0039581OtherWALABOR & INDUSTRY
0094CAOtherWABLUE SHIELD
US7038481OtherWAAETNA/USHC SPECIALIST
MD0094WOtherWAALASKA MEDICAID
8379422MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist MD00042786 (Washington)Primary
207R00000XInternal Medicine MD00042786 (Washington)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Virginia Mason Medical CenterSeattle, WAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Virginia Mason Medical Center9830002617825

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. Alvin S Calderon allows following entities to bill medicare on his behalf.
Entity NameVirginia Mason Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801851258
PECOS PAC ID: 9830002617
Enrollment ID: O20031107000383

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. Alvin S Calderon 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
Alvin S Calderon, MD
1100 Olive Way Msc M4-pa,
Seattle, WA 98101-1873

Ph: (206) 515-5811
Alvin S Calderon, MD
1100 9th Ave,
Seattle, WA 98101-2756

Ph: (206) 223-6600

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).

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.