John William Duff, MD - Medicare Emergency Medicine in Midland, MI

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John William Duff, MD is a medicare enrolled "Family Medicine" physician in Midland, Michigan. He graduated from medical school in 2006 and has 20 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Mymichigan Medical Center Clare and his current practice location is 2213 Dilloway Dr, Midland, Michigan. You can reach out to his office (for appointments etc.) via phone at (989) 493-3882.

John William Duff is licensed to practice in Michigan (license number JD088515) 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 1225125222.

Contact Information

John William Duff, MD
2213 Dilloway Dr,
Midland, MI 48640-6767
(989) 493-3882
Not Available

Map and Direction




Physician's Profile

Full NameJohn William Duff
GenderMale
SpecialityEmergency Medicine
Experience20 Years
Location2213 Dilloway Dr, Midland, 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 William Duff graduated from medical school in 2006
  NPI Data:
  • NPI Number: 1225125222
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 04/18/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 7618031840
  • Enrollment ID: I20090202000576

Medical Identifiers

Medical identifiers for John William Duff such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225125222NPI-NPPES
4301088515OtherMISTATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine JD088515 (Michigan)Primary
207P00000XEmergency Medicine 4301088515 (Michigan)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Midmichigan Medical Center-clareClare, MIHospital
Midmichigan Medical Center-gladwinGladwin, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mymichigan Medical Center Clare7012829773106

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 William Duff allows following entities to bill medicare on his behalf.
Entity NameNorthern Michigan Emergency Physicians, Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417972183
PECOS PAC ID: 7113910399
Enrollment ID: O20040405000871
Entity NameMymichigan Medical Center Clare
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134394026
PECOS PAC ID: 7012829773
Enrollment ID: O20080721000628
Entity NameMymichigan Medical Center Gladwin
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881869774
PECOS PAC ID: 0143262915
Enrollment ID: O20081024000094
Entity NameMichigan Emergency Physicians, Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205075074
PECOS PAC ID: 7810045127
Enrollment ID: O20090424000283
Entity NameSound Physicians Emergency Medicine Of Michigan, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568913473
PECOS PAC ID: 6800178195
Enrollment ID: O20170120002764

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 William Duff 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 William Duff, MD
4009 Orchard Dr,
Midland, MI 48640-6122

Ph: (989) 839-3515		John William Duff, MD
2213 Dilloway Dr,
Midland, MI 48640-6767

Ph: (989) 493-3882

Reviews and Comments


Family Medicine Doctors in Midland, MI

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Mian K Hanif, MD
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Wade Howard Nolen, M.D.
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Dr. Abrita Chowdhury, MD
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Phone: 989-839-3320    
Zachary E Iles, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 4009 Orchard Dr, Midland, MI 48640
Phone: 989-839-3515    

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.