Doctor profile · Federal record
Dr. Lawrence Hennessey, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Allergy Physician · Ann Arbor, MI
- NPI 1629078142
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
325 Briarwood Cir
Ann Arbor, MI 481081605
(734) 647-5940 - Additional location
-
3955 Okemos RD, Suite A1
Okemos, MI 488644208
(517) 349-0027
fax (517) 349-5882 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 11, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State licenses (2)
- Michigan #4301407112 · Michigan #LH407112
- Medicaid
- MI #4744075
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629078142. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$94
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech USA, INC. | 1 | $93.56 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Lawrence Hennessey's medical specialty?
Dr. Lawrence Hennessey practices Allergy & Immunology Physician in Ann Arbor, MI.
Where does Dr. Lawrence Hennessey practice?
Dr. Lawrence Hennessey practices at 325 Briarwood Cir, Ann Arbor, MI 481081605. Office phone: 7346475940.
What is Dr. Lawrence Hennessey's NPI?
Dr. Lawrence Hennessey's National Provider Identifier (NPI) is 1629078142, issued by NPPES.
Does Dr. Lawrence Hennessey accept Medicare assignment?
Yes. Dr. Lawrence Hennessey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.