Dr. John Underwood, MD
- Part D claims, 2026
- 22
- Industry payments
- $305
- State license
- 1
- Year NPI issued
- 2024
- Practice address
- 1 Hospital Dr, Columbia, MO 65201
- Practice phone
- Call (573) 882-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital (MU Health Care)
Columbia, Missouri
Find Dr. Underwood'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. John Underwood is a general surgeon in Columbia, Missouri
Dr. Underwood practices at University Hospital (MU Health Care) in Columbia, Missouri.
Dr. Underwood's NPI, 1861237265, was assigned on June 27, 2024. Dr. Underwood holds Missouri license 2024022351.
- NPI
- 1861237265NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2024
- NPI status
- Active
- Practice phone
- (573) 882-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Underwood practices at University Hospital (MU Health Care) in Columbia, Missouri
Dr. Underwood's primary practice is University Hospital (MU Health Care), at 1 Hospital Dr, Columbia, MO 65201 in Boone County. The practice phone is (573) 882-4141.
- University Hospital (MU Health Care)1 Hospital Dr, Columbia, MO 65201 · Boone CountyPhone(573) 882-4141
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Underwood is affiliated with 1 site of care
Dr. Underwood's primary practice is University Hospital (MU Health Care) in Columbia, Missouri.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Underwood's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Underwood practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital (MU Health Care) | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Underwood is one of 593 general surgeons in Missouri
Surgery is Dr. Underwood's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Underwood is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Underwood
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. John Underwood's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Underwood's median patient age at 9, with 100% women.
Dr. Underwood's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. John Underwood wrote 22 Medicare Part D claims in 2026
In 2026, Dr. Underwood wrote 22 Medicare Part D claims for 14 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Dr. John Underwood received $305 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Underwood from 1 drug or device company in 2024. Education make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $305.
Companies that paid Dr. Underwood the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Underwood'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. John Underwood
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. John Underwood's NPI number?
Dr. John Underwood's NPI number is 1861237265. It was assigned on June 27, 2024, and it is active in the NPI Registry.
What kind of doctor is Dr. John Underwood?
Dr. John Underwood is a general surgeon in Columbia, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Underwood practice?
Dr. Underwood practices at 1 Hospital Dr, Columbia, MO 65201. Dr. Underwood's primary practice is University Hospital (MU Health Care) in Columbia, Missouri.
What is Dr. John Underwood's office phone number?
The practice phone on file for Dr. Underwood is (573) 882-4141. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. John Underwood's email address?
Dmand AI checks professional and personal email addresses for Dr. Underwood through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. John Underwood's medical license number?
Dr. Underwood holds Missouri license 2024022351.
Has Dr. John Underwood received payments from drug or device companies?
CMS Open Payments shows $305 in general payments to Dr. Underwood from 1 company from 2024 to 2024. The largest total came from Medical Device Business Services, Inc.
How long has Dr. John Underwood been practicing?
Dr. Underwood's NPI was assigned in 2024.
What EHR does Dr. John Underwood's practice use?
Dmand AI tracks the EHR system at University Hospital (MU Health Care). The vendor and product are available with a free Dmand AI account.
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