Dr William A Fabricius, MD - Medicare Hematology/oncology in Greenville, MI

Dr William A Fabricius, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Greenville, Michigan. He graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Cancer And Hematology Centers Of Western Mi, P.c. and his current practice location is 615 S Bower St, Greenville, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 954-9800.

Dr William A Fabricius is licensed to practice in Maine (license number MD20974) 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 1568698645.

Contact Information

Dr William A Fabricius, MD
615 S Bower St,
Greenville, MI 48838-2614
(616) 954-9800
Not Available



Physician's Profile

Full NameDr William A Fabricius
GenderMale
SpecialityHematology/oncology
Experience22 Years
Location615 S Bower St, Greenville, Michigan
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 William A Fabricius graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1568698645
  • Provider Enumeration Date: 06/03/2009
  • Last Update Date: 07/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 0446414395
  • Enrollment ID: I20210630001915

Medical Identifiers

Medical identifiers for Dr William A Fabricius such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568698645NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD20974 (Maine)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Spectrum Health United HospitalGreenville, MIHospital
Spectrum HealthGrand rapids, MIHospital
Spectrum Health Big Rapids HospitalBig rapids, MIHospital
Spectrum Health Reed City HospitalReed city, MIHospital
Spectrum Health Gerber MemorialFremont, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cancer And Hematology Centers Of Western Mi, P.c.408252679386

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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. Dr William A Fabricius allows following entities to bill medicare on his behalf.
Entity NameCancer & Hematology Centers Of Western Mi, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1528018389
PECOS PAC ID: 4082526793
Enrollment ID: O20031103000091

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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. Dr William A Fabricius 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 William A Fabricius, MD
5800 Foremost Dr Se Ste 300,
Grand Rapids, MI 49546-7062

Ph: () -
Dr William A Fabricius, MD
615 S Bower St,
Greenville, MI 48838-2614

Ph: (616) 954-9800

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Internal Medicine Doctors in Greenville, MI

Kevin Clark Reed, DO
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 707 S Greenville West Dr, Greenville, MI 48838
Phone: 616-754-3001    Fax: 616-754-3828
Victor Hajjar, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 615 S. Bower, Greenville, MI 48838
Phone: 616-754-3880    Fax: 616-754-8941
Timothy Helder, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 707 S Greenville West Dr, Greenville, MI 48838
Phone: 616-754-3001    
Jonathan Patrick Windeler, MD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 615 S Bower St, Greenville, MI 48838
Phone: 616-754-4691    Fax: 616-754-3828
Dr. David Crittenden Md, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 123 E Cass St, Greenville, MI 48838
Phone: 616-225-8707    Fax: 616-225-8967
Gregory Raymond Page, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 707 S Greenville West Dr, Greenville, MI 48838
Phone: 616-754-3001    Fax: 616-754-3828

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