Active NPI 1700090602 Individual Practitioner Male Practitioner

Dr. Eric David Knapp , DO

Surgery • Mishawaka, IN

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Eric Knapp, DO is a certified Surgery practicing in Mishawaka, IN. With approximately 21 years of clinical experience since graduating from Nova Southeastern College Of Osteo Medicine in 2005, Dr. Knapp delivers high-quality medical care to the local community at 611 E DOUGLAS RD STE 207.

Dr. Knapp is affiliated with Saint Joseph Regional Medical Center Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

611 E Douglas Rd Ste 207

Mishawaka, IN 465451465

Telephone 5743356850

Fax 5743350849

Associated Practice Facility / Clinic

🏢 Saint Joseph Regional Medical Center- Plymouth Campus Inc Facility NPI 1174571129

Medicare Profile & Education

Medical School

Nova Southeastern College Of Osteo Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Mishawaka, IN

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs -3.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 25.9 Yrs

Regional Practice Density

2 Specialists

Practicing in Mishawaka, IN (657 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knapp (21 Years) 21 Yrs

Mishawaka Specialty Average (24.0 Years) 24.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	49	31	$274.00	$117.07
99213 Established patient office or other outpatient visit, typically 15 minutes	28	16	$194.00	$82.33
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$440.00	$160.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	20	12	$170.00	$72.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$356.00	$145.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	23	$271.00	$118.98
99213 Established patient office or other outpatient visit, typically 15 minutes	18	14	$190.00	$83.97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	15	$440.00	$162.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$356.00	$154.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$296.81	$154.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	30	28	$440.00	$185.21
99213 Established patient office or other outpatient visit, typically 15 minutes	25	21	$147.92	$83.68
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	12	$158.00	$66.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	20	$221.43	$120.32
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	16	16	$1519.00	$598.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$195.09	$104.45
49650 Repair of groin hernia using an endoscope	11	11	$1159.45	$424.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	42	42	$440.00	$189.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	18	$158.00	$65.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$275.00	$158.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	22	$181.00	$118.58
99213 Established patient office or other outpatient visit, typically 15 minutes	23	18	$122.00	$82.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$179.00	$105.68
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$1544.33	$668.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$275.00	$157.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	46	$440.00	$196.16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	25	$158.90	$70.34
99213 Established patient office or other outpatient visit, typically 15 minutes	26	17	$122.00	$71.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	15	$181.00	$103.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$179.00	$95.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	40	35	$176.50	$103.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$271.67	$155.77
36415 Insertion of needle into vein for collection of blood sample	34	32	$12.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	29	26	$120.34	$68.11
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	12	$152.69	$69.69
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	24	24	$41.00	$7.72
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	24	23	$31.00	$8.46
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$434.55	$193.73
71046 X-ray of chest, 2 views	20	19	$79.00	$18.94
80048 Blood test, basic group of blood chemicals (calcium, total)	15	15	$25.00	$9.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$245.67	$123.13
80053 Blood test, comprehensive group of blood chemicals	12	11	$41.00	$11.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$176.00	$102.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	80	70	$12.00	$2.92
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	77	66	$31.00	$9.29
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	61	61	$41.00	$7.60
99213 Established patient office or other outpatient visit, typically 15 minutes	51	38	$120.00	$68.32
80048 Blood test, basic group of blood chemicals (calcium, total)	50	47	$25.00	$10.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$272.16	$151.64
71046 X-ray of chest, 2 views	45	44	$79.00	$17.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	32	$175.00	$99.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	23	$75.00	$40.41
80053 Blood test, comprehensive group of blood chemicals	29	24	$41.00	$12.78
83970 Parathormone (parathyroid hormone) level	28	24	$163.00	$49.94
82607 Cyanocobalamin (vitamin B-12) level	28	24	$59.00	$18.24
82746 Folic acid level	28	24	$58.00	$17.79
80061 Blood test, lipids (cholesterol and triglycerides)	27	23	$53.00	$16.20
82306 Vitamin d-3 level	27	23	$117.00	$35.82
84443 Blood test, thyroid stimulating hormone (TSH)	26	22	$66.00	$20.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$176.69	$98.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	23	$220.00	$129.45
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$120.00	$70.22
83540 Iron level	16	14	$26.00	$7.83
84466 Transferrin (iron binding protein) level	16	14	$50.00	$15.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$322.29	$182.21
49650 Repair of groin hernia using an endoscope	13	13	$1549.62	$468.14
47562 Removal of gallbladder using an endoscope	11	11	$2057.00	$578.69
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	11	11	$4888.64	$1150.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	115	90	$12.00	$2.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	103	86	$31.00	$10.45
99213 Established patient office or other outpatient visit, typically 15 minutes	70	53	$120.00	$68.81
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	60	59	$41.00	$7.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$272.79	$144.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	51	$176.70	$98.51
80048 Blood test, basic group of blood chemicals (calcium, total)	56	52	$25.00	$8.55
80053 Blood test, comprehensive group of blood chemicals	53	45	$41.00	$12.01
71020 X-ray of chest, 2 views, front and side	53	52	$79.00	$15.46
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	46	28	$75.00	$40.73
82746 Folic acid level	38	30	$58.00	$19.77
82306 Vitamin d-3 level	38	31	$117.00	$39.80
83970 Parathormone (parathyroid hormone) level	38	30	$163.00	$55.49
84443 Blood test, thyroid stimulating hormone (TSH)	37	29	$66.00	$22.59
82607 Cyanocobalamin (vitamin B-12) level	37	29	$59.00	$20.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	35	$220.00	$130.05
80061 Blood test, lipids (cholesterol and triglycerides)	35	28	$53.00	$13.79
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	13	$118.00	$68.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$175.00	$101.19
83540 Iron level	22	19	$26.00	$8.70
84466 Transferrin (iron binding protein) level	22	19	$50.00	$17.16
47562 Removal of gallbladder using an endoscope	19	19	$2057.00	$562.94
43281 Repair of hernia of muscle at esophagus and stomach using an endoscope	17	17	$4780.00	$1205.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$320.00	$192.75
43775 Stomach reduction procedure with partial removal of stomach using an endoscope	14	14	$4228.00	$711.68
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$330.00	$194.27
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	11	11	$4058.00	$321.62

Medical Specialties & State Licenses

CMS Verified: 2026-05-21

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IN 02003840A

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Family Medicine - Obesity Medicine

NUCC Taxonomy Code: 207QB0002X

State License IN 02003840A

A physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.

Hospital & Practice Group Affiliations

Saint Joseph Regional Medical Center Inc

231 W Day Rd, Mishawaka, IN 465451401

Phone: 5743354700

Saint Joseph Regional Medical Center Inc

611 E Douglas Rd, Mishawaka, IN 465451469

Phone: 5743356770

Saint Joseph Regional Medical Center Inc

616 E 13th St, Winamac, IN 469961117

Phone: 5749485340

Saint Joseph Regional Medical Center Inc

611 E Douglas Rd, Mishawaka, IN 465451465

Saint Joseph Regional Medical Center Inc

5215 Holy Cross Pkwy, Mishawaka, IN 465451469

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners

Dr. Sushruta Nagarkatti , MBBS

Surgery - Surgical Oncology

NPI 1134416977

Bachelor of Medicine, Bachelor of Surgery (M.B.B.S.)

Diana Perez - Solano , PA-C

Physician Assistant

NPI 1275802332

Physician Assistant (Certified)

Heather Gordy , NP

Nurse Practitioner - Family

NPI 1417619982

Nurse Practitioner

Dr. Luis Gomez , MD

Surgery - Vascular Surgery

NPI 1538570460

Doctor of Medicine (M.D.)

Dr. Sandra Roland , MD

Radiology - Vascular & Interventional Radiology

NPI 1659321545

Doctor of Medicine (M.D.)

Kathleen Ellis , PA-C

Physician Assistant - Surgical

NPI 1891570545

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events

📍

Updated Practice Location May 21, 2026

Registered at 611 E DOUGLAS RD STE 207, MISHAWAKA, IN 465451465 (Tel: 5743356850)

📍

Updated Business Mailing Address May 21, 2026

Registered at 5215 HOLY CROSS PKWY, PROVIDER SERVICES-ENROLLMENT, MISHAWAKA, IN 465451469

📍

Updated Business Mailing Address July 22, 2025

Registered at 5215 HOLY CROSS PKWY, MISHAWAKA, IN 465451469

📍

Updated Practice Location February 28, 2025

Registered at 231 W DAY RD, MISHAWAKA, IN 465451401 (Tel: 5743354700)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 28, 2025

Family Medicine (License #02003840A in IN)

📍

Updated Practice Location November 16, 2023

Registered at 611 E DOUGLAS RD STE 207, MISHAWAKA, IN 465451465 (Tel: 5743356850)

📍

Updated Business Mailing Address November 16, 2023

Registered at 707 CEDAR ST STE 405, SOUTH BEND, IN 466172059

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 16, 2023

Surgery (License #02003840A in IN)

✅

NPI Profile Active August 09, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location August 09, 2011

Registered at 303 S NAPPANEE ST, ELKHART, IN 465142066 (Tel: 5742963220)

📍

Updated Business Mailing Address August 09, 2011

Registered at PO BOX 2968, ELKHART, IN 465152968 (Tel: 5742963220)

👤

Provider Name / Credentials Updated August 09, 2011

Recorded as ERIC KNAPP, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 09, 2011

Surgery (License #02003840A in IN)

🟢

Initial NPI Registration & Enumeration May 09, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Eric Knapp. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1700090602

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 09, 2007

Last Update: May 21, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

5215 Holy Cross Pkwy, Provider Services-Enrollment

Mishawaka, IN 465451469

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.