Doctor profile · Federal record

Dr. Eric Gaenslen, M.D.

Orthopaedic Hand Surgery Physician (CMS: Hand Surgery) · Orthopaedic Surgery Physician · Grafton, WI

  • NPI 1982633079
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
975 Port Washington Road, Suite 110
Grafton, WI 530249201
(262) 387-8300
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 7, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207XS0106X — NUCC code
State license (1)
Wisconsin #36678
Medicaid
WI #32140000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982633079. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
897
Distinct HCPCS
10
Medicare allowed
$61,159
HCPCS Description Services Patients Avg allowed
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 349 90 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 152 124 $83
99203 New patient office or other outpatient visit, 30-44 minutes 121 121 $103
20550 Injection into tendon or ligament 71 53 $45
26055 Incision of tendon covering of finger 50 35 $186
99214 Established patient office or other outpatient visit, 30-39 minutes 41 39 $120
64721 Release and/or relocation of hand nerve 34 31 $358
20600 Aspiration and/or injection of fluid from small joint 19 13 $43
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass 18 16 $23
20526 Injection of carpal tunnel 16 14 $75

In context: peer comparison

Among 1 peers in Grafton Orthopaedic Hand Surgery Physician, average services per provider: 74. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$419
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sonex Health, INC. 3 $418.59

By nature of payment

Food and Beverage
$419

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
27
Patients
25
Total drug cost
$189
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 12 $143
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 13 13 $46

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Gaenslen's medical specialty?
Dr. Eric Gaenslen practices Orthopaedic Hand Surgery Physician in Grafton, WI.
Where does Dr. Eric Gaenslen practice?
Dr. Eric Gaenslen practices at 975 Port Washington Road, Grafton, WI 530249201. Office phone: 2623878300.
What is Dr. Eric Gaenslen's NPI?
Dr. Eric Gaenslen's National Provider Identifier (NPI) is 1982633079, issued by NPPES.
Does Dr. Eric Gaenslen accept Medicare assignment?
Yes. Dr. Eric Gaenslen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Gaenslen commonly perform?
Top Medicare-reported procedures in 2023: Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.