John S Macdonald, MD - Medicare Internal Medicine in Saint Johns, MI

John S Macdonald, MD is a medicare enrolled "Internal Medicine" physician in Saint Johns, Michigan. He graduated from medical school in 1976 and has 48 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 110 W Higham St, Saint Johns, Michigan. You can reach out to his office (for appointments etc.) via phone at (989) 224-0646.

John S Macdonald is licensed to practice in Michigan (license number 4301038398) 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 1215038906.

Contact Information

John S Macdonald, MD
110 W Higham St,
Saint Johns, MI 48879-1559
(989) 224-0646
(989) 224-0929

Map and Direction




Physician's Profile

Full NameJohn S Macdonald
GenderMale
SpecialityInternal Medicine
Experience48 Years
Location110 W Higham St, Saint Johns, 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 S Macdonald graduated from medical school in 1976
  NPI Data:
  • NPI Number: 1215038906
  • Provider Enumeration Date: 09/26/2006
  • Last Update Date: 03/27/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 8224127329
  • Enrollment ID: I20071127000526

Medical Identifiers

Medical identifiers for John S Macdonald such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215038906NPI-NPPES
10 2116963MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 4301038398 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sparrow Clinton HospitalSaint johns, MIHospital
Edward W Sparrow HospitalLansing, MIHospital

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 S Macdonald allows following entities to bill medicare on his behalf.
Entity NameJohns S. Mac Donald, Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548361249
PECOS PAC ID: 7214026319
Enrollment ID: O20071127000533

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 S Macdonald 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 S Macdonald, MD
110 W Higham St,
Saint Johns, MI 48879-1559

Ph: (989) 224-0646
John S Macdonald, MD
110 W Higham St,
Saint Johns, MI 48879-1559

Ph: (989) 224-0646

Reviews and Comments


Internal Medicine Doctors in Saint Johns, MI

Christopher T Beal, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 110 W Higham St, Saint Johns, MI 48879
Phone: 989-224-0646    Fax: 989-224-0646
Mr. Brahmaiah P Rajesh, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 306 E Elm St, Steb, Saint Johns, MI 48879
Phone: 989-224-2100    Fax: 989-224-0784
Sarah Al Taii, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 901 S Oakland St Ste 201, Saint Johns, MI 48879
Phone: 989-224-2338    
Kay L Mclaughlin, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 S Oakland St, Suite 204, Saint Johns, MI 48879
Phone: 989-224-2338    Fax: 989-224-2065
Louis E Wulfekuhler, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1015 S Us Highway 27, Suite B-37, Saint Johns, MI 48879
Phone: 989-227-1800    Fax: 989-227-1801

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.