Dr Mark Constantine Zaros, MD - Medicare Hospitalist in Seattle, WA

Dr Mark Constantine Zaros, MD is a medicare enrolled "Internal Medicine" physician in Seattle, Washington. He went to University Of Miami, Lm Miller School Of Medicine and graduated in 2004 and has 21 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Emory Medical Care Foundation Inc and his current practice location is 325 9th Ave, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 744-3000.

Dr Mark Constantine Zaros is licensed to practice in Washington (license number MD60037585) 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 1639393093.

Contact Information

Dr Mark Constantine Zaros, MD
325 9th Ave,
Seattle, WA 98104-2420
(206) 744-3000
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Constantine Zaros
GenderMale
SpecialityHospitalist
Experience21 Years
Location325 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:
  • Dr Mark Constantine Zaros attended and graduated from University Of Miami, Lm Miller School Of Medicine in 2004
  NPI Data:
  • NPI Number: 1639393093
  • Provider Enumeration Date: 04/13/2007
  • Last Update Date: 10/25/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 1254495666
  • Enrollment ID: I20230109002188

Medical Identifiers

Medical identifiers for Dr Mark Constantine Zaros such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639393093NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD60037585 (Washington)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Grady Memorial HospitalAtlanta, GAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emory Medical Care Foundation Inc4981501814877

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. Dr Mark Constantine Zaros allows following entities to bill medicare on his behalf.
Entity NameEmory Medical Care Foundation Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063452381
PECOS PAC ID: 4981501814
Enrollment ID: O20031217000968

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. Dr Mark Constantine Zaros 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
Dr Mark Constantine Zaros, MD
325 9th Ave,
Seattle, WA 98104-2420

Ph: (206) 744-3000
Dr Mark Constantine Zaros, MD
325 9th Ave,
Seattle, WA 98104-2420

Ph: (206) 744-3000

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.