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Dr. Peter O'Brien, MD

  • Sioux Falls, SD
  • General surgeon
NPI1407803331
Part D claims, 2020
11
Industry payments
$202
State licenses
3
Year NPI issued
2006
Practice address
1201 S Euclid Ave, Sioux Falls, SD 57105-7700
Practice phone
Call (605) 328-3840
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Peter O'Brien is a general surgeon in Sioux Falls, South Dakota

Dr. O'Brien practices in Sioux Falls, South Dakota.

Dr. O'Brien's NPI, 1407803331, was assigned on May 27, 2006. Dr. O'Brien holds South Dakota license 2030.

NPI and contact details
NPI
1407803331NPI Registry (opens in a new tab)
NPI enumeration date
May 27, 2006
NPI status
Active
Practice phone
(605) 328-3840
Professional email
Get email
Personal email
Get email
Mobile number
Get number

Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data

Dr. Peter O'Brien's practice address is in Sioux Falls, South Dakota

Dr. O'Brien's practice address in the NPI Registry is 1201 S Euclid Ave, Sioux Falls, SD 57105-7700. The practice phone is (605) 328-3840.

  • NPI Registry address
    1201 S Euclid Ave, Sioux Falls, SD 57105-7700Phone(605) 328-3840

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Peter O'Brien's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Dr. O'Brien's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Peter O'Brien is one of 105 general surgeons in South Dakota

Surgery is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. O'Brien's licenses on file in 3 states: South Dakota, Iowa and Minnesota.

Specialties and state licenses

  • Surgery, South DakotaPrimaryLicense 2030 · taxonomy 208600000X
  • Iowa licenseLicense 24561
  • Minnesota licenseLicense 22313

General surgeons near Dr. O'Brien

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

105general surgeons in South Dakota32general surgeons in Sioux Falls

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Peter O'Brien wrote 11 Medicare Part D claims in 2020

In 2020, Dr. O'Brien wrote 11 Medicare Part D claims. They cover 1 drug, with $96 in total drug cost. In 2018, CMS named 13 claims across 1 drug.

Part D claims, 202011
Drugs named by CMS1
Total drug cost$96

Dr. O'Brien's most prescribed drugs by claims, 2020

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, 2018 to 2020

  • 2018
  • 2020
Claims for drugs CMS names
2018: 132020: 1115%

Drugs named by CMS: 1 in 2020, 1 in 2018.

See all prescribing by Dr. O'Brien

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

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Dr. Peter O'Brien received $202 in industry payments from 2017 to 2024

CMS Open Payments shows 3 general payments to Dr. O'Brien from 2 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $161.

General payments to Dr. O'Brien by program year, 2017 to 2024

Companies that paid Dr. O'Brien the most, 2017 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. O'Brien

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Peter O'Brien's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Peter O'Brien

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. Peter O'Brien's NPI number?

Dr. Peter O'Brien's NPI number is 1407803331. It was assigned on May 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter O'Brien?

Dr. Peter O'Brien is a general surgeon in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Peter O'Brien practice?

Dr. O'Brien practices at 1201 S Euclid Ave, Sioux Falls, SD 57105-7700.

What is Dr. Peter O'Brien's office phone number?

The practice phone on file for Dr. O'Brien is (605) 328-3840. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Dr. Peter O'Brien's email address?

Dmand AI checks professional and personal email addresses for Dr. O'Brien through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Dr. Peter O'Brien's medical license number?

Dr. O'Brien holds South Dakota license 2030, one of the licenses on file in 3 states.

Which states has Dr. Peter O'Brien been licensed in?

Dmand AI has state licenses on file for Dr. O'Brien in South Dakota, Iowa and Minnesota.

What drugs does Dr. Peter O'Brien prescribe most?

In 2020 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Sotalol.

Has Dr. Peter O'Brien received payments from drug or device companies?

CMS Open Payments shows $202 in general payments to Dr. O'Brien from 2 companies from 2017 to 2024. The largest total came from Smith & Nephew, Inc.

How long has Dr. Peter O'Brien been practicing?

Dr. O'Brien's NPI was assigned in 2006.

What EHR does Dr. Peter O'Brien's practice use?

Dmand AI tracks the EHR system at Dr. O'Brien's practice. The vendor and product are available with a free Dmand AI account.

Selling to surgery practices?

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