Doctor profile · Federal record

Dr. Eric Knapp, D.O.

Surgery Physician (CMS: General Surgery) · Obesity Medicine (Family Medicine) Physician · Mishawaka, IN

  • NPI 1700090602
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
231 W Day RD
Mishawaka, IN 465451401
(574) 335-4700
Additional location
303 S Nappanee St
Elkhart, IN 465142066
(574) 296-3220
fax (574) 296-3322
Additional location
611 E Douglas RD Ste 207
Mishawaka, IN 465451465
(574) 335-6850
fax (574) 335-0849
Mailing address
5215 Holy Cross Pkwy
Mishawaka, IN 465451469

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
July 22, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Indiana #02003840A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700090602. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
80
Distinct HCPCS
4
Medicare allowed
$10,124
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 31 23 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 18 14 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 15 $163
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $155

In context: peer comparison

Among 1 peers in this city , average services per provider: 20. This provider delivers 4.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$23
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 1 $22.52

By nature of payment

Food and Beverage
$23

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
143
Patients
62
Total drug cost
$75,388
Drug Type Claims Patients Total cost
Ursodiol Generic 28 18 $5,349
Ozempic (Semaglutide) Brand 26 0 $28,357
Omeprazole Generic 24 15 $314
Mounjaro (Tirzepatide) Brand 18 0 $23,211
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 18 17 $64
Trulicity (Dulaglutide) Brand 16 0 $16,399
Enoxaparin Sodium Generic 13 12 $1,694

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Knapp's medical specialty?
Dr. Eric Knapp practices Surgery Physician in Mishawaka, IN.
Where does Dr. Eric Knapp practice?
Dr. Eric Knapp practices at 231 W Day RD, Mishawaka, IN 465451401. Office phone: 5743354700.
What is Dr. Eric Knapp's NPI?
Dr. Eric Knapp's National Provider Identifier (NPI) is 1700090602, issued by NPPES.
Does Dr. Eric Knapp accept Medicare assignment?
Yes. Dr. Eric Knapp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Knapp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.