Dr. Daniel Underbakke, MD
- Medicare patients, 2024
- 21
- Part D claims, 2024
- 52
- Publications
- 1
- Hospital affiliations
- 2
- Industry payments
- $1,699
- Practice address
- 600 St Johnsbury Road, Littleton, NH 03561
- Practice phone
- Call (603) 444-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Underbakke'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. Daniel Underbakke is a general surgeon in Littleton, New Hampshire
Dr. Underbakke practices at Littleton Regional Healthcare in Littleton, New Hampshire, part of Dartmouth-Hitchcock Health.
Dr. Underbakke's NPI, 1396164836, was assigned on April 14, 2014. Dr. Underbakke graduated from University of Wisconsin School of Medicine in 2014. Dr. Underbakke holds New Hampshire license 18376.
- NPI
- 1396164836NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830494772
- NPI enumeration date
- April 14, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (603) 444-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Underbakke practices at Littleton Regional Healthcare in Littleton, New Hampshire
Dr. Underbakke's primary practice is Littleton Regional Healthcare, at 600 St Johnsbury Road, Littleton, NH 03561 in Grafton County. The practice phone is (603) 444-9000.
- Littleton Regional Healthcare600 St Johnsbury Road, Littleton, NH 03561 · Grafton CountyPhone(603) 444-9000
Source: Dmand AI Affiliation Data
Dr. Daniel Underbakke is affiliated with 2 sites of care and 1 medical group
Dr. Underbakke's primary practice is Littleton Regional Healthcare in Littleton, New Hampshire, part of Dartmouth-Hitchcock Health. Dr. Underbakke is also affiliated with Dartmouth Hitchcock Medical Center. The medical group on file is Littleton Regional Healthcare. Dr. Underbakke's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel Underbakke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Underbakke practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Littleton Regional Healthcare | 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. Daniel Underbakke is one of 157 general surgeons in New Hampshire
Surgery is Dr. Underbakke's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Underbakke is licensed in New Hampshire.
Specialties and state licenses
- Surgery, New HampshirePrimary
General surgeons near Dr. Underbakke
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. Daniel Underbakke treated 21 Medicare patients in 2024, average age 71
CMS counts 21 Medicare patients who saw Dr. Underbakke in 2024. 62% of them have high blood pressure, and 57% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Underbakke's median patient age at 70, with 57% women.
Chronic conditions among Dr. Underbakke's Medicare patients, 2024
- High blood pressure62%
- High cholesterol57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Underbakke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Underbakke wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Underbakke wrote 52 Medicare Part D claims for 44 patients. 92% of them were for generic drugs. CMS names the drug for 29 of them, across 1 drug with 11 or more claims each, at $39 in total drug cost. In 2023, CMS named 25 claims across 1 drug.
Dr. Underbakke's Part D claims by kind of drug, 2024
- Generic48 claims92%
- Brand-name and other4 claims8%
Dr. Underbakke'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. Underbakke's Part D claims, 2024
- Opioids62%32 of 52 claims
- Antibiotics27%14 of 52 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: 252024: 2916%
Drugs named by CMS: 1 in 2024, 1 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
How Dr. Daniel Underbakke takes part in Medicare
Dr. Underbakke 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)
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. Daniel Underbakke has 1 publication on record
Dmand AI links 1 paper to Dr. Underbakke in 2025. Dr. Underbakke's most frequent co-authors are Srinivas J. Ivatury, MD and Ravinder Kang, MD.
Dr. Underbakke's most frequent co-authors
Recent publications by Dr. Underbakke
See who Dr. Underbakke researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Underbakke works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel Underbakke received $1,699 in industry payments from 2019 to 2025
CMS Open Payments shows 8 general payments to Dr. Underbakke from 3 drug and device companies from 2019 to 2025. Education make up the largest share, 59% of the total. Intuitive Surgical, Inc. paid the most, $1,652.
General payments to Dr. Underbakke by program year, 2019 to 2025
General payments to Dr. Underbakke by kind, 2019 to 2025
- Education$1,00059%
- Travel and lodging$58634%
- Food and beverage$1137%
Companies that paid Dr. Underbakke the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel Underbakke graduated from University of Wisconsin School of Medicine
Dr. Underbakke graduated from University of Wisconsin School of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Underbakke'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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Daniel Underbakke
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. Daniel Underbakke's NPI number?
Dr. Daniel Underbakke's NPI number is 1396164836. It was assigned on April 14, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Underbakke?
Dr. Daniel Underbakke is a general surgeon in Littleton, New Hampshire. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Daniel Underbakke practice?
Dr. Underbakke practices at 600 St Johnsbury Road, Littleton, NH 03561. Dr. Underbakke's primary practice is Littleton Regional Healthcare in Littleton, New Hampshire, part of Dartmouth-Hitchcock Health.
What is Dr. Daniel Underbakke's office phone number?
The practice phone on file for Dr. Underbakke is (603) 444-9000.
What is Dr. Daniel Underbakke's medical license number?
Dr. Underbakke holds New Hampshire license 18376.
Which hospitals is Dr. Daniel Underbakke affiliated with?
Dr. Underbakke practices at Littleton Regional Healthcare in Littleton, New Hampshire. Dr. Underbakke is also affiliated with Dartmouth Hitchcock Medical Center.
What medical group is Dr. Daniel Underbakke part of?
Dr. Underbakke is linked to Littleton Regional Healthcare.
Does Dr. Daniel Underbakke accept Medicare?
Yes. CMS lists Dr. Underbakke as accepting Medicare assignment.
How many Medicare patients does Dr. Daniel Underbakke see?
CMS counts 21 Medicare patients who saw Dr. Underbakke in 2024, with an average age of 71.
Where did Dr. Daniel Underbakke go to medical school?
Dr. Underbakke graduated from University of Wisconsin School of Medicine in 2014.
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What drugs does Dr. Daniel Underbakke prescribe most?
In 2024 Medicare Part D data, Dr. Underbakke's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Daniel Underbakke received payments from drug or device companies?
CMS Open Payments shows $1,699 in general payments to Dr. Underbakke from 3 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Daniel Underbakke been practicing?
Dr. Underbakke graduated from medical school in 2014, 12 years ago.
Does Dr. Daniel Underbakke do research?
Dmand AI links 1 publication to Dr. Underbakke.
Who does Dr. Daniel Underbakke publish with?
Dr. Underbakke's most frequent co-authors are Srinivas J. Ivatury, MD (1 shared paper) and Ravinder Kang, MD (1 shared paper).
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