Eric Geiser, MD - Medicare Critical Care (intensivists) in Grand Rapids, MI

Eric Geiser, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Grand Rapids, Michigan. He graduated from medical school in 2002 and has 22 years of diverse experience with area of expertise as Critical Care (intensivists). He is a member of the group practice Advantage Health/saint Mary's Medical Group and his current practice location is 310 Lafayette Ave Se Ste 415, Grand Rapids, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 685-5666.

Eric Geiser is licensed to practice in Michigan (license number 9999999) 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 1316007503.

Contact Information

Eric Geiser, MD
310 Lafayette Ave Se Ste 415,
Grand Rapids, MI 49503-4693
(616) 685-5666
(616) 685-8969



Physician's Profile

Full NameEric Geiser
GenderMale
SpecialityCritical Care (intensivists)
Experience22 Years
Location310 Lafayette Ave Se Ste 415, 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:
  • Eric Geiser graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1316007503
  • Provider Enumeration Date: 12/11/2006
  • Last Update Date: 12/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9335154111
  • Enrollment ID: I20131113001176

Medical Identifiers

Medical identifiers for Eric Geiser such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316007503NPI-NPPES
1316007503OtherNPI
11545657OtherCAQH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 9999999 (Michigan)Primary
207P00000XEmergency Medicine 00027008 (Alabama)Secondary
207R00000XInternal Medicine A96549 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Health Saint Mary'sGrand rapids, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advantage Health/saint Mary's Medical Group4082807961398

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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. Eric Geiser allows following entities to bill medicare on his behalf.
Entity NameAdvantage Health/saint Mary's Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376862151
PECOS PAC ID: 4082807961
Enrollment ID: O20101023000279

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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. Eric Geiser 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
Eric Geiser, MD
121 Saint Michaels Ct, Apt#2,
Daly City, CA 94015-2100

Ph: () -
Eric Geiser, MD
310 Lafayette Ave Se Ste 415,
Grand Rapids, MI 49503-4693

Ph: (616) 685-5666

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Internal Medicine Doctors in Grand Rapids, MI

Maureen U Tan- Pedres, M.D.
Pulmonary Disease
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.
Pulmonary Disease
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.
Pulmonary Disease
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.
Pulmonary Disease
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.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 5800 Foremost Dr Se Ste 200, Grand Rapids, MI 49546
Phone: 616-389-1800    
Stephanie F Williams, MD
Pulmonary Disease
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
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 145 Michigan St Ne Ste 3410, Grand Rapids, MI 49503
Phone: 616-391-9945    

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