Doctor profile · Federal record

Dr. Joseph Assenmacher, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Oregon, OH

  • NPI 1760484026
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2751 Bay Park Dr, Ste 201
Oregon, OH 436164921
(419) 690-8811
fax (419) 697-6750

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
November 3, 2023
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Ohio #35078665
Medicaid
OH #2221189

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760484026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,759
Distinct HCPCS
10
Medicare allowed
$321,863
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,204 186 $0
20610 Aspiration and/or injection of fluid from large joint 285 210 $68
73562 X-ray of knee, 3 views 263 181 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 222 180 $87
77073 X-ray for bone length assessment 110 80 $41
99214 Established patient office or other outpatient visit, 30-39 minutes 105 98 $123
99203 New patient office or other outpatient visit, 30-44 minutes 103 103 $109
73030 X-ray of shoulder, minimum of 2 views 100 80 $32
27447 Replacement of knee joint, both sides of knee 85 79 $1,267
99204 New patient office or other outpatient visit, 45-59 minutes 70 70 $162

In context: peer comparison

Among 5 peers in Oregon Orthopaedic Surgery Physician, average services per provider: 139. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$611
Transactions
18
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Arthrex, INC. 15 $243.62
Rock Medical Orthopedics, INC. 2 $230.22
Zimmer Biomet Holdings, INC. 1 $137.18

By nature of payment

Food and Beverage
$536
Travel and Lodging
$75

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
587
Patients
486
Total drug cost
$4,248
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 201 174 $1,845
Meloxicam Generic 196 155 $750
Tramadol Hcl Generic 91 83 $209
Celecoxib Generic 50 27 $935
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 21 $206
Mupirocin Generic 14 14 $143
Cefadroxil Generic 13 12 $161

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Assenmacher's medical specialty?
Dr. Joseph Assenmacher practices Orthopaedic Surgery Physician in Oregon, OH.
Where does Dr. Joseph Assenmacher practice?
Dr. Joseph Assenmacher practices at 2751 Bay Park Dr, Oregon, OH 436164921. Office phone: 4196908811.
What is Dr. Joseph Assenmacher's NPI?
Dr. Joseph Assenmacher's National Provider Identifier (NPI) is 1760484026, issued by NPPES.
Does Dr. Joseph Assenmacher accept Medicare assignment?
Yes. Dr. Joseph Assenmacher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Assenmacher commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Aspiration and/or injection of fluid from large joint (HCPCS 20610); X-ray of knee, 3 views (HCPCS 73562). Source: CMS Medicare Physician & Other Practitioners file.