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



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

News Archive

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Obama invites Republicans to share ideas at televised health reform summit

The New York Times reports that the President's inivitation is for a half-day televised summit February 25. It is "a high-profile gambit that will allow Americans to watch as Democrats and Republicans try to break their political impasse." The move is seen as a way for Obama to force Republicans to help govern and to "put more scrutiny on Republican initiatives" on health care.

Discovery of T cell exhaustion offers new pathway to more powerful immunotherapies

St. Jude Children's Research Hospital immunologists have discovered how immune cells called T cells become "exhausted" - unable to do their jobs of attacking invaders such as cancer cells or viruses.

ACCC survey finds multiple threats to growth of cancer programs

At a time of unprecedented advances in the science of cancer, growing complexity in cancer treatments, and ongoing health policy fluctuation, the Association of Community Cancer Centers ninth annual Trending Now in Cancer Care survey reveals how cancer programs across the country are being impacted by pressure from turbulence in multiple sectors: payers, government, and industry.

Read more Medical News

› Verified 9 days ago

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

News Archive

Maxygen reports net loss of $2.2 million for fourth quarter 2011

Maxygen, Inc., a biopharmaceutical company, today announced financial and business results for the quarter and year ended December 31, 2011.

Experts say propylthiouracil should not longer be used as first-line treatment for Graves' disease in children

Of the 4000 children with Graves' disease treated in the U.S. annually, 40 percent are routinely treated with the drug propylthiouracil.

Obama invites Republicans to share ideas at televised health reform summit

The New York Times reports that the President's inivitation is for a half-day televised summit February 25. It is "a high-profile gambit that will allow Americans to watch as Democrats and Republicans try to break their political impasse." The move is seen as a way for Obama to force Republicans to help govern and to "put more scrutiny on Republican initiatives" on health care.

Discovery of T cell exhaustion offers new pathway to more powerful immunotherapies

St. Jude Children's Research Hospital immunologists have discovered how immune cells called T cells become "exhausted" - unable to do their jobs of attacking invaders such as cancer cells or viruses.

ACCC survey finds multiple threats to growth of cancer programs

At a time of unprecedented advances in the science of cancer, growing complexity in cancer treatments, and ongoing health policy fluctuation, the Association of Community Cancer Centers ninth annual Trending Now in Cancer Care survey reveals how cancer programs across the country are being impacted by pressure from turbulence in multiple sectors: payers, government, and industry.

Read more Medical News

› Verified 9 days ago

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

News Archive

Maxygen reports net loss of $2.2 million for fourth quarter 2011

Maxygen, Inc., a biopharmaceutical company, today announced financial and business results for the quarter and year ended December 31, 2011.

Experts say propylthiouracil should not longer be used as first-line treatment for Graves' disease in children

Of the 4000 children with Graves' disease treated in the U.S. annually, 40 percent are routinely treated with the drug propylthiouracil.

Obama invites Republicans to share ideas at televised health reform summit

The New York Times reports that the President's inivitation is for a half-day televised summit February 25. It is "a high-profile gambit that will allow Americans to watch as Democrats and Republicans try to break their political impasse." The move is seen as a way for Obama to force Republicans to help govern and to "put more scrutiny on Republican initiatives" on health care.

Discovery of T cell exhaustion offers new pathway to more powerful immunotherapies

St. Jude Children's Research Hospital immunologists have discovered how immune cells called T cells become "exhausted" - unable to do their jobs of attacking invaders such as cancer cells or viruses.

ACCC survey finds multiple threats to growth of cancer programs

At a time of unprecedented advances in the science of cancer, growing complexity in cancer treatments, and ongoing health policy fluctuation, the Association of Community Cancer Centers ninth annual Trending Now in Cancer Care survey reveals how cancer programs across the country are being impacted by pressure from turbulence in multiple sectors: payers, government, and industry.

Read more News

› Verified 9 days ago


Family Medicine Doctors in Wyoming, MI

Dr. Tristan J Worthington, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5900 Byron Center Ave Sw, Wyoming, MI 49519
Phone: 616-252-7200    Fax: 616-252-4953
Mark W Newberry, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5838 Metro Way Sw, Wyoming, MI 49519
Phone: 616-249-5300    
Dr. Brooke M Lenz, DO
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 5900 Byron Center Ave Sw, Wyoming, MI 49519
Phone: 616-252-7200    Fax: 616-252-4953
Alan Michael Young, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 950 36th St Sw, Wyoming, MI 49509
Phone: 616-685-3300    Fax: 616-685-3303
Michael J Bultje, DO
Family Medicine
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
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3011 Sandy Ct Sw, Wyoming, MI 49418
Phone: 616-272-3909    

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