Dr. Knut J. Roalsvig, MD
- Medicare services, 2023
- 11
- Part D claims, 2022
- 95
- Industry payments
- $1,930
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 15 Tsienneto Road Ste 101, Derry, NH 03038
- Practice phone
- Call (603) 460-4955
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgical Center of New Hampshire at Derry
Surgery Center - Medicare-Certified · Derry, New Hampshire
Find Dr. Roalsvig'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. Knut J. Roalsvig is a gastroenterologist in Derry, New Hampshire
Dr. Roalsvig practices at Surgical Center of New Hampshire at Derry in Derry, New Hampshire.
Dr. Roalsvig's NPI, 1154381614, was assigned on March 27, 2006. Dr. Roalsvig graduated from Albert Einstein College of Medicine of Yeshiva University in 1982. Dr. Roalsvig holds New Hampshire license 7923.
- NPI
- 1154381614NPI Registry (opens in a new tab)
- NPI enumeration date
- March 27, 2006
- NPI status
- Active
- Practice phone
- (603) 460-4955
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Knut J. Roalsvig practices at Surgical Center of New Hampshire at Derry in Derry, New Hampshire
Dr. Roalsvig's primary practice is Surgical Center of New Hampshire at Derry, at 15 Tsienneto Road Ste 101, Derry, NH 03038. The practice phone is (603) 460-4955.
- Surgical Center of New Hampshire at Derry15 Tsienneto Road Ste 101, Derry, NH 03038Phone(603) 460-4955
Source: Dmand AI Affiliation Data
Dr. Knut J. Roalsvig is affiliated with 2 sites of care and 1 medical group
Dr. Roalsvig's primary practice is Surgical Center of New Hampshire at Derry in Derry, New Hampshire. The medical group on file is Granite State Gastroenterology. Dmand AI also links Dr. Roalsvig to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Knut J. Roalsvig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Roalsvig practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgical Center of New Hampshire at Derry | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Knut J. Roalsvig is one of 87 gastroenterologists in New Hampshire
Gastroenterology is Dr. Roalsvig's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Roalsvig is licensed in New Hampshire.
Specialties and state licenses
- Gastroenterology, New HampshirePrimary
Gastroenterologists near Dr. Roalsvig
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. Knut J. Roalsvig billed Medicare for 11 services in 2023
CMS data shows 11 Medicare services from Dr. Roalsvig across 1 procedure code in 2023. Medicare paid $1,725 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Roalsvig's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Surgery
- 2022: 392023: 1172%
Dr. Roalsvig compared with the New Hampshire median for gastroenterologists, 2023
- Dr. Roalsvig
- New Hampshire median
- Medicare services
- 11vs 49298% below
- Part D claims
- 95vs 22858% below
Medians across 82 gastroenterologists in New Hampshire with Dmand AI profiles that report each measure.
Dr. Roalsvig's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Roalsvig and other gastroenterologists in New Hampshire.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Knut J. Roalsvig's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Roalsvig's median patient age at 67, with 40% women.
Dr. Roalsvig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Knut J. Roalsvig wrote 95 Medicare Part D claims in 2022
In 2022, Dr. Roalsvig wrote 95 Medicare Part D claims. Every claim was for a generic drug. They cover 5 drugs, with $2,160 in total drug cost. In 2021, CMS named 236 claims across 6 drugs.
Dr. Roalsvig's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2362022: 9560%
Drugs named by CMS: 5 in 2022, 6 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Knut J. Roalsvig received $1,930 in industry payments from 2016 to 2022
CMS Open Payments shows 99 general payments to Dr. Roalsvig from 18 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $401.
General payments to Dr. Roalsvig by program year, 2016 to 2022
Companies that paid Dr. Roalsvig the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Knut J. Roalsvig graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Roalsvig graduated from Albert Einstein College of Medicine of Yeshiva University in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Knut J. Roalsvig'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Knut J. Roalsvig
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. Knut J. Roalsvig's NPI number?
Dr. Knut J. Roalsvig's NPI number is 1154381614. It was assigned on March 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Knut J. Roalsvig?
Dr. Knut J. Roalsvig is a gastroenterologist in Derry, New Hampshire. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Knut J. Roalsvig practice?
Dr. Roalsvig practices at 15 Tsienneto Road Ste 101, Derry, NH 03038. Dr. Roalsvig's primary practice is Surgical Center of New Hampshire at Derry in Derry, New Hampshire. Dmand AI also links Dr. Roalsvig to 1 group practice or clinic.
What is Dr. Knut J. Roalsvig's office phone number?
The practice phone on file for Dr. Roalsvig is (603) 460-4955.
What is Dr. Knut J. Roalsvig's medical license number?
Dr. Roalsvig holds New Hampshire license 7923.
What medical group is Dr. Knut J. Roalsvig part of?
Dr. Roalsvig is linked to Granite State Gastroenterology.
Does Dr. Knut J. Roalsvig accept Medicare?
Yes. CMS data shows Dr. Roalsvig billed Medicare for 11 services in 2023.
What services does Dr. Knut J. Roalsvig bill to Medicare?
In 2023, Dr. Roalsvig's most billed Medicare services were surgery: digestive system (45385).
Where did Dr. Knut J. Roalsvig go to medical school?
Dr. Roalsvig graduated from Albert Einstein College of Medicine of Yeshiva University in 1982.
What drugs does Dr. Knut J. Roalsvig prescribe most?
In 2022 Medicare Part D data, Dr. Roalsvig's most prescribed drugs by claims were Omeprazole, Famotidine and Esomeprazole Magnesium.
Has Dr. Knut J. Roalsvig received payments from drug or device companies?
CMS Open Payments shows $1,930 in general payments to Dr. Roalsvig from 18 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Knut J. Roalsvig been practicing?
Dr. Roalsvig graduated from medical school in 1982, 44 years ago.
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