Dr. Eric David Knapp, DO
- Medicare services, 2024
- 136
- Medicare patients, 2026
- 69
- Part D claims, 2026
- 205
- Hospital affiliations
- 2
- Industry payments
- $23,747
- Practice address
- 5215 Holy Cross Pkwy, Mishawaka, IN 46545
- Practice phone
- Call (574) 335-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Knapp's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Eric David Knapp is a general surgeon in Mishawaka, Indiana
Dr. Knapp practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health.
Dr. Knapp's NPI, 1700090602, was assigned on May 9, 2007. Dr. Knapp graduated from Nova Southeastern College of Osteo Medicine in 2005. Dr. Knapp holds Indiana license 02003840A.
- NPI
- 1700090602NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315078490
- NPI enumeration date
- May 9, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (574) 335-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric David Knapp practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana
Dr. Knapp's primary practice is Saint Joseph Mishawaka Medical Center, at 5215 Holy Cross Pkwy, Mishawaka, IN 46545 in St. Joseph County. The practice phone is (574) 335-5000.
- Saint Joseph Mishawaka Medical Center5215 Holy Cross Pkwy, Mishawaka, IN 46545 · St. Joseph CountyPhone(574) 335-5000
Source: Dmand AI Affiliation Data
Dr. Eric David Knapp is affiliated with 5 sites of care and 3 medical groups
Dr. Knapp's primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. Dr. Knapp is also affiliated with Saint Joseph Plymouth Medical Center. The medical group on file is Saint Joseph Medical Group. Dmand AI also links Dr. Knapp to 2 more group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric David Knapp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Knapp practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Joseph Mishawaka Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Eric David Knapp is one of 530 general surgeons in Indiana
Surgery is Dr. Knapp's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Knapp is licensed in Indiana.
Specialties and state licenses
- Surgery, IndianaPrimary
General surgeons near Dr. Knapp
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eric David Knapp billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. Knapp across 5 procedure codes in 2024, for 69 Medicare patients. Medicare paid $11,731 for them.
Dr. Knapp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 802024: 13670%
Where Dr. Knapp's Medicare services took place, 2024
- In an office9167%
- In a facility4533%
Dr. Knapp compared with the Indiana median for general surgeons, 2024
- Dr. Knapp
- Indiana median
- Medicare services
- 136vs 15613% below
- Medicare patients
- 69vs 13147% below
- Part D claims
- 160vs 404.0 times
Medians across 526 general surgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Knapp's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Knapp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Knapp and other general surgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric David Knapp treated 69 Medicare patients in 2026, average age 67
CMS counts 69 Medicare patients who saw Dr. Knapp in 2026. The largest group is 65 to 74, with 33 patients. 72% of them have high blood pressure, and 64% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Knapp's median patient age at 55, with 65% women.
Dr. Knapp's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Dr. Knapp's Medicare patients by sex, 2026
- Women5072%
- Men1928%
Chronic conditions among Dr. Knapp's Medicare patients, 2026
- High blood pressure72%
- High cholesterol64%
- Arthritis57%
- Mood disorders45%
- Diabetes39%
- Depression38%
- Anxiety36%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Knapp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data
Dr. Eric David Knapp wrote 205 Medicare Part D claims in 2026
In 2026, Dr. Knapp wrote 205 Medicare Part D claims for 56 patients. 56% of them were for generic drugs. CMS names the drug for 160 of them, across 7 drugs with 11 or more claims each, at $81,330 in total drug cost. In 2023, CMS named 143 claims across 7 drugs.
Dr. Knapp's Part D claims by kind of drug, 2026
- Generic115 claims56%
- Brand-name and other90 claims44%
Dr. Knapp's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1432024: 16012%
Drugs named by CMS: 7 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
How Dr. Eric David Knapp takes part in Medicare
Dr. Knapp accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Eric David Knapp received $23,747 in industry payments from 2016 to 2025
CMS Open Payments shows 130 general payments to Dr. Knapp from 18 drug and device companies from 2016 to 2025. Education make up the largest share, 62% of the total. Intuitive Surgical, Inc. paid the most, $15,636.
General payments to Dr. Knapp by program year, 2016 to 2025
General payments to Dr. Knapp by kind, 2016 to 2025
- Education$14,62962%
- Travel and lodging$4,74020%
- Food and beverage$4,03317%
- Gifts$3451%
Companies that paid Dr. Knapp the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric David Knapp graduated from Nova Southeastern College of Osteo Medicine
Dr. Knapp graduated from Nova Southeastern College of Osteo Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric David Knapp's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eric David Knapp
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Eric David Knapp's NPI number?
Dr. Eric David Knapp's NPI number is 1700090602. It was assigned on May 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric David Knapp?
Dr. Eric David Knapp is a general surgeon in Mishawaka, Indiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Eric David Knapp practice?
Dr. Knapp practices at 5215 Holy Cross Pkwy, Mishawaka, IN 46545. Dr. Knapp's primary practice is Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana, part of Trinity Health. Dmand AI also links Dr. Knapp to 2 group practices and clinics, 2 medical groups and 1 therapy and rehab clinic, and a free account names each one.
What is Dr. Eric David Knapp's office phone number?
The practice phone on file for Dr. Knapp is (574) 335-5000. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Eric David Knapp's email address?
Dmand AI checks professional and personal email addresses for Dr. Knapp through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Eric David Knapp's medical license number?
Dr. Knapp holds Indiana license 02003840A.
Which hospitals is Dr. Eric David Knapp affiliated with?
Dr. Knapp practices at Saint Joseph Mishawaka Medical Center in Mishawaka, Indiana. Dr. Knapp is also affiliated with Saint Joseph Plymouth Medical Center.
What medical group is Dr. Eric David Knapp part of?
Dr. Knapp is linked to Saint Joseph Medical Group. Dmand AI links Dr. Knapp to 2 more medical groups, named with a free account.
Who does Dr. Eric David Knapp practice with?
Dmand AI links 128 HCPs to Dr. Knapp's primary medical group, 5 of them general surgeons. A free account lists them, with verified contacts.
Does Dr. Eric David Knapp accept Medicare?
Yes. CMS data shows Dr. Knapp billed Medicare for 136 services in 2024, and Dr. Knapp accepts Medicare assignment.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Eric David Knapp see?
CMS counts 69 Medicare patients who saw Dr. Knapp in 2026, with an average age of 67.
What services does Dr. Eric David Knapp bill to Medicare?
In 2024, Dr. Knapp's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and hospital inpatient care (99223).
Where did Dr. Eric David Knapp go to medical school?
Dr. Knapp graduated from Nova Southeastern College of Osteo Medicine in 2005.
What drugs does Dr. Eric David Knapp prescribe most?
In 2024 Medicare Part D data, Dr. Knapp's most prescribed drugs by claims were Ozempic, Ursodiol and Celecoxib.
Has Dr. Eric David Knapp received payments from drug or device companies?
CMS Open Payments shows $23,747 in general payments to Dr. Knapp from 18 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Eric David Knapp been practicing?
Dr. Knapp graduated from medical school in 2005, 21 years ago.
What EHR does Dr. Eric David Knapp's practice use?
Dmand AI tracks the EHR system at Saint Joseph Mishawaka Medical Center and at 4 more sites and 2 medical groups. The vendor and product are available with a free Dmand AI account.
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