Marshall Scott Horwitz, - Medicare Medical Genetics And Genomics in Seattle, WA

Marshall Scott Horwitz, is a medicare enrolled "Medical Genetics - Clinical Genetics (m.d.)" physician in Seattle, Washington. He went to University Of Washington School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Medical Genetics And Genomics. He is a member of the group practice The Association Of University Physicians and his current practice location is University Of Washington Medical Ctr, 1959 Ne Pacific St, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 616-2135.

Marshall Scott Horwitz is licensed to practice in Washington (license number MD00030116) 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 1013007970.

Contact Information

Marshall Scott Horwitz,
University Of Washington Medical Ctr, 1959 Ne Pacific St,
Seattle, WA 98195-6127
(206) 616-2135
Not Available

Map and Direction




Physician's Profile

Full NameMarshall Scott Horwitz
GenderMale
SpecialityMedical Genetics And Genomics
Experience34 Years
LocationUniversity Of Washington Medical Ctr, 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:
  • Marshall Scott Horwitz attended and graduated from University Of Washington School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1013007970
  • Provider Enumeration Date: 10/13/2006
  • Last Update Date: 01/14/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4587791207
  • Enrollment ID: I20100428000514

Medical Identifiers

Medical identifiers for Marshall Scott Horwitz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013007970NPI-NPPES
8789OtherINTERNAL ID-MOTOR VEHICLE ID
1013007970MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD00030116 (Washington)Secondary
207SG0203XMedical Genetics - Clinical Molecular Genetics MD00030116 (Washington)Secondary
207SM0001XMedical Genetics - Molecular Genetic Pathology MD00030116 (Washington)Secondary
207SG0201XMedical Genetics - Clinical Genetics (m.d.) MD00030116 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Association Of University Physicians04461626973009

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. Marshall Scott Horwitz allows following entities to bill medicare on his behalf.
Entity NameThe Association Of University Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023041159
PECOS PAC ID: 0446162697
Enrollment ID: O20031105000244

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. Marshall Scott Horwitz 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
Marshall Scott Horwitz,
Po Box 50095,
Seattle, WA 98145-5095

Ph: (206) 543-6420
Marshall Scott Horwitz,
University Of Washington Medical Ctr, 1959 Ne Pacific St,
Seattle, WA 98195-6127

Ph: (206) 616-2135

Reviews and Comments



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.