John W Hamersma, MD - Medicare Family Practice in Wyoming, MI

John W Hamersma, MD is a medicare enrolled "Family Medicine" physician in Wyoming, Michigan. He went to Michigan State University College Of Human Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Grand Valley Medical Specialists Plc and his current practice location is 2093 Health Dr Sw, Ste 200, Wyoming, Michigan. You can reach out to his office (for appointments etc.) via phone at (616) 459-3158.

John W Hamersma is licensed to practice in Michigan (license number 4301074575) 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 1033108329.

Contact Information

John W Hamersma, MD
2093 Health Dr Sw, Ste 200,
Wyoming, MI 49519
(616) 459-3158
(616) 819-2222

Map and Direction




Physician's Profile

Full NameJohn W Hamersma
GenderMale
SpecialityFamily Practice
Experience25 Years
Location2093 Health Dr Sw, Wyoming, 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:
  • John W Hamersma attended and graduated from Michigan State University College Of Human Medicine in 1999
  NPI Data:
  • NPI Number: 1033108329
  • Provider Enumeration Date: 10/19/2005
  • Last Update Date: 06/21/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 4688664527
  • Enrollment ID: I20040513001013

Medical Identifiers

Medical identifiers for John W Hamersma such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033108329NPI-NPPES
4949420MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 4301074575 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Spectrum HealthGrand rapids, MIHospital
Metro Health HospitalWyoming, MIHospital
Spectrum Health Zeeland Community HospitalZeeland, MIHospital
Spectrum Health PennockHastings, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Grand Valley Medical Specialists Plc125431194721

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. John W Hamersma allows following entities to bill medicare on his behalf.
Entity NameGrand Valley Medical Specialists Plc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033226402
PECOS PAC ID: 1254311947
Enrollment ID: O20040722001223

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. John W Hamersma 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
John W Hamersma, MD
1900 Wealthy St Se Ste 150,
Grand Rapids, MI 49506-2969

Ph: (616) 459-3158
John W Hamersma, MD
2093 Health Dr Sw, Ste 200,
Wyoming, MI 49519

Ph: (616) 459-3158

Reviews and Comments


Family Medicine Doctors in Wyoming, MI

Dr. Tristan J Worthington, DO
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Phone: 616-252-7200    Fax: 616-252-4953
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Dr. Brooke M Lenz, DO
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Alan Michael Young, M.D.
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Practice Location: 950 36th St Sw, Wyoming, MI 49509
Phone: 616-685-3300    Fax: 616-685-3303
Michael J Bultje, DO
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Medicare: Accepting Medicare Assignments
Practice Location: 2093 Health Dr Sw, Ste 200, Wyoming, MI 49519
Phone: 616-459-3158    Fax: 616-819-2222
Dr. Richard J Stang, D.O
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Medicare: Not Enrolled in Medicare
Practice Location: 3011 Sandy Ct Sw, Wyoming, MI 49418
Phone: 616-272-3909    

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.