Dr. Roderick Nisi, MD
- Medicare services, 2024
- 1,306
- Medicare patients, 2024
- 534
- Part D claims, 2024
- 2,119
- Hospital affiliations
- 5
- Industry payments
- $6,631
- Practice address
- 1515 N Madison Ave, Anderson, IN 46011
- Practice phone
- Call (765) 298-4242
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nisi's professional email, personal email and mobile number
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Dr. Roderick Nisi is a gastroenterologist in Anderson, Indiana
Dr. Nisi practices at Community Hospital Anderson in Anderson, Indiana, part of Community Health Network.
Dr. Nisi's NPI, 1821179714, was assigned on October 18, 2006. Dr. Nisi graduated from University of Cincinnati College of Medicine in 1986. Dr. Nisi holds Indiana license 01036283.
- NPI
- 1821179714NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446291520
- NPI enumeration date
- October 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (765) 298-4242
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roderick Nisi practices at Community Hospital Anderson in Anderson, Indiana
Dr. Nisi's primary practice is Community Hospital Anderson, at 1515 N Madison Ave, Anderson, IN 46011 in Madison County. The practice phone is (765) 298-4242.
- Community Hospital Anderson1515 N Madison Ave, Anderson, IN 46011 · Madison CountyPhone(765) 298-4242
Source: Dmand AI Affiliation Data
Dr. Roderick Nisi is affiliated with 7 sites of care and 2 medical groups
Dr. Nisi's primary practice is Community Hospital Anderson in Anderson, Indiana, part of Community Health Network. Dr. Nisi is also affiliated with Ascension St. Vincent Anderson. The medical group on file is Community Physician Network. Dmand AI also links Dr. Nisi to 3 more hospitals, 2 group practices and clinics and 1 medical group, 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. Roderick Nisi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nisi practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Hospital Anderson | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roderick Nisi is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. Nisi's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Nisi is licensed in Indiana.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
Gastroenterologists near Dr. Nisi
Counts of gastroenterologists 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. Roderick Nisi billed Medicare for 1,306 services in 2024
CMS data shows 1,306 Medicare services from Dr. Nisi across 16 procedure codes in 2024, for 534 Medicare patients. Medicare paid $90,656 for them.
Dr. Nisi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5052024: 4619%
- Office and hospital visits
- 2023: 4112024: 45410%
- Other services
- 2023: 4432024: 39112%
Where Dr. Nisi's Medicare services took place, 2024
- In an office39330%
- In a facility91370%
Dr. Nisi compared with the Indiana median for gastroenterologists, 2024
- Dr. Nisi
- Indiana median
- Medicare services
- 1,306vs 4712.8 times
- Medicare patients
- 534vs 30973% above
- Part D claims
- 1,875vs 4224.4 times
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. Nisi'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. Nisi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nisi and other gastroenterologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roderick Nisi treated 534 Medicare patients in 2024, average age 74
CMS counts 534 Medicare patients who saw Dr. Nisi in 2024. The largest group is 65 to 74, with 263 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nisi's median patient age at 72, with 59% women.
Dr. Nisi's Medicare patients by age, 2024
Dr. Nisi's Medicare patients by sex, 2024
- Women32461%
- Men21039%
Chronic conditions among Dr. Nisi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes31%
- Mood disorders31%
- Chronic kidney disease30%
- Depression29%
- Anxiety28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nisi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Roderick Nisi wrote 2,119 Medicare Part D claims in 2024
In 2024, Dr. Nisi wrote 2,119 Medicare Part D claims for 513 patients. 82% of them were for generic drugs. CMS names the drug for 1,875 of them, across 36 drugs with 11 or more claims each, at $527,059 in total drug cost. In 2023, CMS named 1,774 claims across 37 drugs.
Dr. Nisi's Part D claims by kind of drug, 2024
- Generic1,744 claims82%
- Brand-name and other375 claims18%
Dr. Nisi'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.
Drug classes CMS tracks in Dr. Nisi's Part D claims, 2024
- Antibiotics2%50 of 2,119 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7742024: 1,8756%
Drugs named by CMS: 36 in 2024, 37 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), 2024 data
Dr. Roderick Nisi ranks in the 90th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Nisi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 201 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Nisi, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nisi ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 90th percentile201 procedures
- Colonoscopy
- 90th percentile163 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Roderick Nisi received $6,631 in industry payments from 2016 to 2025
CMS Open Payments shows 468 general payments to Dr. Nisi from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,149.
General payments to Dr. Nisi by program year, 2016 to 2025
General payments to Dr. Nisi by kind, 2016 to 2025
- Food and beverage$6,54499%
- Education$871%
Companies that paid Dr. Nisi 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. Roderick Nisi graduated from University of Cincinnati College of Medicine
Dr. Nisi graduated from University of Cincinnati College of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Roderick Nisi'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. Roderick Nisi
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. Roderick Nisi's NPI number?
Dr. Roderick Nisi's NPI number is 1821179714. It was assigned on October 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roderick Nisi?
Dr. Roderick Nisi is a gastroenterologist in Anderson, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Roderick Nisi practice?
Dr. Nisi practices at 1515 N Madison Ave, Anderson, IN 46011. Dr. Nisi's primary practice is Community Hospital Anderson in Anderson, Indiana, part of Community Health Network. Dmand AI also links Dr. Nisi to 3 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Roderick Nisi's office phone number?
The practice phone on file for Dr. Nisi is (765) 298-4242.
What is Dr. Roderick Nisi's medical license number?
Dr. Nisi holds Indiana license 01036283.
Which hospitals is Dr. Roderick Nisi affiliated with?
Dr. Nisi practices at Community Hospital Anderson in Anderson, Indiana. Dr. Nisi is also affiliated with Ascension St. Vincent Anderson. Dmand AI links Dr. Nisi to 3 more hospitals.
What medical group is Dr. Roderick Nisi part of?
Dr. Nisi is linked to Community Physician Network. Dmand AI links Dr. Nisi to 1 more medical group.
Does Dr. Roderick Nisi accept Medicare?
Yes. CMS data shows Dr. Nisi billed Medicare for 1,306 services in 2024, and Dr. Nisi accepts Medicare assignment.
How many Medicare patients does Dr. Roderick Nisi see?
CMS counts 534 Medicare patients who saw Dr. Nisi in 2024, with an average age of 74.
What services does Dr. Roderick Nisi bill to Medicare?
In 2024, Dr. Nisi's most billed Medicare services were medicare service (G0500), office visit, established patient (99213) and surgery: digestive system (45385).
Show 4 more questionsShow fewer questions
Where did Dr. Roderick Nisi go to medical school?
Dr. Nisi graduated from University of Cincinnati College of Medicine in 1986.
What drugs does Dr. Roderick Nisi prescribe most?
In 2024 Medicare Part D data, Dr. Nisi's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Linzess.
Has Dr. Roderick Nisi received payments from drug or device companies?
CMS Open Payments shows $6,631 in general payments to Dr. Nisi from 39 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Roderick Nisi been practicing?
Dr. Nisi graduated from medical school in 1986, 40 years ago.
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