James R Baker Jr, MD - Medicare Allergy/immunology in Ann Arbor, MI

James R Baker Jr, MD is a medicare enrolled "Internal Medicine - Allergy & Immunology" physician in Ann Arbor, Michigan. He went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 1978 and has 46 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Regents Of The University Of Michigan and his current practice location is 24 Frank Lloyd Wright Dr, Suite H-2100, Ann Arbor, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 647-5940.

James R Baker Jr is licensed to practice in Michigan (license number 4301054776) 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 1063501989.

Contact Information

James R Baker Jr, MD
24 Frank Lloyd Wright Dr, Suite H-2100,
Ann Arbor, MI 48105-9484
(734) 647-5940
Not Available

Map and Direction




Physician's Profile

Full NameJames R Baker Jr
GenderMale
SpecialityAllergy/immunology
Experience46 Years
Location24 Frank Lloyd Wright Dr, Ann Arbor, 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:
  • James R Baker Jr attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 1978
  NPI Data:
  • NPI Number: 1063501989
  • Provider Enumeration Date: 10/11/2006
  • Last Update Date: 09/10/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 0840334207
  • Enrollment ID: I20100223000444

Medical Identifiers

Medical identifiers for James R Baker Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1063501989NPI-NPPES
2590710MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 4301054776 (Michigan)Secondary
207RA0201XInternal Medicine - Allergy & Immunology 4301054776 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Michigan Health SystemAnn arbor, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The University Of Michigan37794968562916

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. James R Baker Jr allows following entities to bill medicare on his behalf.
Entity NameRegents Of The University Of Michigan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700816881
PECOS PAC ID: 3779496856
Enrollment ID: O20031113000672

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. James R Baker Jr 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
James R Baker Jr, MD
3621 S State St,
Ann Arbor, MI 48108-1633

Ph: (734) 647-5299
James R Baker Jr, MD
24 Frank Lloyd Wright Dr, Suite H-2100,
Ann Arbor, MI 48105-9484

Ph: (734) 647-5940

Reviews and Comments


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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.

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