Doctor profile · Federal record
Dr. Dennis Assenmacher, M.D.
Orthopaedic Surgery Physician · Oregon, OH
- NPI 1154323384
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2751 Bay Park Dr, Suite 201
Oregon, OH 436164921
(419) 690-8811
fax (419) 697-5760
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- November 3, 2023
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Ohio #35039245
- Medicaid
- OH #0305299
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154323384. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
17
Distinct HCPCS
1
Medicare allowed
$1,848
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $109 |
In context: peer comparison
Among 5 peers in Oregon Orthopaedic Surgery Physician, average services per provider: 139. This provider delivers 0.1× the peer median.Frequently asked questions
What is Dr. Dennis Assenmacher's medical specialty?
Dr. Dennis Assenmacher practices Orthopaedic Surgery Physician in Oregon, OH.
Where does Dr. Dennis Assenmacher practice?
Dr. Dennis Assenmacher practices at 2751 Bay Park Dr, Oregon, OH 436164921. Office phone: 4196908811.
What is Dr. Dennis Assenmacher's NPI?
Dr. Dennis Assenmacher's National Provider Identifier (NPI) is 1154323384, issued by NPPES.
What procedures does Dr. Dennis Assenmacher commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.