Dr Lawrence R Hennessey, MD - Medicare Allergy/immunology in Ann Arbor, MI

Dr Lawrence R Hennessey, MD is a medicare enrolled "Allergy & Immunology" physician in Ann Arbor, Michigan. He went to Michigan State University College Of Human Medicine and graduated in 1986 and has 38 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 325 Briarwood Cir, Ann Arbor, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 647-5940.

Dr Lawrence R Hennessey is licensed to practice in Michigan (license number 4301407112) 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 1629078142.

Contact Information

Dr Lawrence R Hennessey, MD
325 Briarwood Cir,
Ann Arbor, MI 48108-1605
(734) 647-5940
Not Available



Physician's Profile

Full NameDr Lawrence R Hennessey
GenderMale
SpecialityAllergy/immunology
Experience38 Years
Location325 Briarwood Cir, 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:
  • Dr Lawrence R Hennessey attended and graduated from Michigan State University College Of Human Medicine in 1986
  NPI Data:
  • NPI Number: 1629078142
  • Provider Enumeration Date: 07/27/2005
  • Last Update Date: 10/11/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3971546623
  • Enrollment ID: I20050603000873

Medical Identifiers

Medical identifiers for Dr Lawrence R Hennessey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629078142NPI-NPPES
4744075MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207KA0200XAllergy & Immunology - Allergy LH407112 (Michigan)Secondary
207K00000XAllergy & Immunology 4301407112 (Michigan)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The University Of Michigan37794968562953

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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. Dr Lawrence R Hennessey 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

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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. Dr Lawrence R Hennessey 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
Dr Lawrence R Hennessey, MD
3621 S State St,
Ann Arbor, MI 48108-1633

Ph: (734) 647-5299
Dr Lawrence R Hennessey, MD
325 Briarwood Cir,
Ann Arbor, MI 48108-1605

Ph: (734) 647-5940

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Allergy & Immunology Doctors in Ann Arbor, MI

Aimee Leyton Speck, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 24 Frank Lloyd Wright Dr, Suite H-2100, Ann Arbor, MI 48105
Phone: 734-647-5940    
Mohammed R Rafeeq, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
Phone: 734-647-5940    
Georgiana M Sanders, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 24 Frank Lloyd Wright Dr, Suite H-2100, Ann Arbor, MI 48105
Phone: 734-647-5940    
Ian Frederick Slack, M.D.
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
Phone: 734-647-5940    
Cynthia L Cookingham, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1500 East Medical Center Dr, 2nd Floor University Hospital Recp Pathology, Ann Arbor, MI 48109
Phone: 800-862-7284    
Sherry Zhou, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 1500 E Medical Center Dr, 3116 Taubman Center, Spc 5368, Ann Arbor, MI 48109
Phone: 734-936-5582    
James L Baldwin, MD
Allergy & Immunology
Medicare: Accepting Medicare Assignments
Practice Location: 24 Frank Lloyd Wright Dr, Suite H-2100, Ann Arbor, MI 48105
Phone: 734-647-5940    

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