Greg Marco, MD - Medicare Critical Care (intensivists) in Grand Rapids, MI

Greg Marco, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Grand Rapids, Michigan. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1996 and has 28 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Spectrum Health Primary Care Partners and his current practice location is 100 Michigan St Ne, Suite 8861, Grand Rapids, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 391-2802.

Greg Marco is licensed to practice in Michigan (license number 4301080028) 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 1427098433.

Contact Information

Greg Marco, MD
100 Michigan St Ne, Suite 8861,
Grand Rapids, MI 49503-2560
(616) 391-2802
(616) 391-0801



Physician's Profile

Full NameGreg Marco
GenderMale
SpecialityCritical Care (intensivists)
Experience28 Years
Location100 Michigan St Ne, Grand Rapids, 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:
  • Greg Marco attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1996
  NPI Data:
  • NPI Number: 1427098433
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 02/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7012014491
  • Enrollment ID: I20070518000378

Medical Identifiers

Medical identifiers for Greg Marco such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427098433NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine 4301080028 (Michigan)Primary
207RP1001XInternal Medicine - Pulmonary Disease 4301080028 (Michigan)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Spectrum HealthGrand rapids, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Spectrum Health Primary Care Partners45875686471585

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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. Greg Marco allows following entities to bill medicare on his behalf.
Entity NameSpectrum Health Primary Care Partners
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1235188673
PECOS PAC ID: 4587568647
Enrollment ID: O20031121000091

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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. Greg Marco 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
Greg Marco, MD
100 Michigan St Ne, Mc 845,
Grand Rapids, MI 49503-2560

Ph: () -
Greg Marco, MD
100 Michigan St Ne, Suite 8861,
Grand Rapids, MI 49503-2560

Ph: (616) 391-2802

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Internal Medicine Doctors in Grand Rapids, MI

Maureen U Tan- Pedres, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 100 Michigan St Ne, Suite A721, Grand Rapids, MI 49503
Phone: 616-391-3139    Fax: 616-391-3044
Jeffery Allen Woo, M.D.
Critical Care Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1900 Wealthy St Se, Ste 150, Grand Rapids, MI 49506
Phone: 616-459-3158    Fax: 616-988-0071
Robert W Selfe, D.O.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 221 Michigan St Ne, Suite 200, Grand Rapids, MI 49503
Phone: 616-267-8950    Fax: 616-267-8585
Dr. Erin Megan Pettijohn, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 250 Cherry St Se Ste 2200, Grand Rapids, MI 49503
Phone: 616-685-5600    
Dr. Andrew Leo Sochacki, M.D.
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5800 Foremost Dr Se Ste 200, Grand Rapids, MI 49546
Phone: 616-389-1800    
Stephanie F Williams, MD
Critical Care Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 145 Michigan St Ne, Suite 5200, Grand Rapids, MI 49503
Phone: 616-486-5933    Fax: 616-486-6489
Simin Beg, MD
Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 145 Michigan St Ne Ste 3410, Grand Rapids, MI 49503
Phone: 616-391-9945    

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