Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Lawrence R Hennessey, MD

Individual provider Allergy Physician · NPI 1629078142

Dr. Lawrence R Hennessey, MD is an Allergy/Immunology in Ann Arbor, Michigan. Graduated from Michigan State University College of Human Medicine in 1986, 40 years ago. Practices with Regents of the University of Michigan, a 3,271-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
40
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

325 Briarwood Cir
Ann Arbor, MI 48108-1605
Phone: (734) 647-5940
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3955 Okemos Rd, Okemos, MI 48864-4208 — (517) 349-0027

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 4301407112 (MI)
Allergy Physician Taxonomy 207KA0200X · Licence LH407112 (MI)

Record details

NPI number1629078142
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2005
Last updated in NPPESOctober 11, 2023
Certification dateOctober 11, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1986 (40 years in practice)
Group practice Regents Of The University Of Michigan — 3271 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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